Tridair Mark IV
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Mark IVTM Structural Panel Fasteners Design and Features The Flat Beam Lock design provides excellent There are other types, styles and sizes available which are resistance to vibration-induced loosening, and has a cycle life not featured in this catalog. Contact us for more details. of up to 1,500 seated cycles. The stud bolts featured are available in .250 and .375 inch nominal diameters. Positive stud bolt retention and hold-outs are available. The receptacle provides .020 inch minimum radial float and versions allow for angular engagement of nut plate to ease installation of curved panels. Receptacle can be replaced without removing rivets. Optional grommet provides hard seat surface, good load transfer, counterbore for retaining ring and is excellent for gasketed applications. Flat Beam Lock Nut Eliminates Shaving Action of Bolt. Typical Mark IV™ Fastening System: (Stud hold-out version shown with angular misalignment capabilities.) UT._ To•IACA()\IOUI CHCCTM: t"TC><i (IIAMt:tu, WIRE FORM FOR STUD BOI.T HOLD-OUT Top View (Sei:tlon.d) RECEPl...CU: Exploded View RElAJN!NG RING '--./--" FQflM-IN·Pl..ACE Rl�El (21'1...ACES) -SU6S�TR UCTURE 33 Mark IV™ Plug Version. Features: Flat Beam Lock design for excellent vibration resistance. Multiple lead thread for quick operation. .250 and .375 inch nominal stud bolt diameters featured. Receptacles allow for radial float. Up to 1,500 seated cycle life locking feature meets and exceeds NASM25027. Accommodates large variations in grip (.140 inch). Stud Bolts CA2104-( )HS. (1/4 size) CA2109-( )HS. (3/8 size) Material: 8740 or 4140 Alloy Steel Ultimate tensile strength: Ultimate tensile strength: . Other materials available 2,800 pounds min. UTS. 4,700 pounds min. UTS. Ultimate single shear strength: Ultimate single shear strength: Heat Treat: 160-180 KSI tensile strength 4,000 pounds min. through solid 7,500 pounds min. through solid . shank. shank. Finish: Cadmium Plated, 1,700 pounds min. through hex 4,350 pounds min. through hex Type II, Class 2. socket. socket. Notes: 1. Surface texture per USAS B46.1: unthreaded shank, conical surface of ,..ce,s,u, ,., •••• ... -=l;lD'Tm.. -:- head 32 , other surfaces 125 . 2. Part number callout examples: �-="@" CA2104-4 HS Hex Socket Recess L = .917; max. grip = .430 Basic Part Number 1/4 size CA2109-4 HS Hex Socket Recess L = 1.075; max. grip = .430 Basic Part Number 3/8 size Note: Note: is to be used with a is to be used with a 3. Contact AFS CA2105 plug, CA2106 retaining ring and CA2110 plug, CA2111 retaining ring and for assistance in selecting CA2103 flat beam nut. CA2108 flat beam nut. correct dash number . GSrip Range CSA2104-( )H CA2109-( )H Dash Number Weight per Weight per M.in. Mhax Lengt Length 1000 pcs. (lbs.) 1000 pcs. (lbs.) -02 .015 .729 .177 75.9 91.3 21.6 -14 .029 .743 .191 95.7 15.07 25.7 -16 .043 .757 11.05 151.0 19.21 29.8 -18 .057 .771 11.19 152.2 13.35 34.0 -110 .071 .785 11.33 153.5 17.49 38.1 34 Mark IV™ Plug Version Flat Beam Nut Receptacles. CA2103. (1/4 size) CA2108. (3/8 size) Specifications: Specifications: Flat Beam Nut Locking Element: Capable of 1,500 seated Flat Beam Nut Locking Element: Capable of 1,500 seated useable cycles within the prevailing torque limits of 30 in. lbs. useable cycles within the prevailing torque limits of 80 in. lbs. max. to 3.5 in. lbs. min. when tested at ambient room tempera- max. to 9.5 in. lbs. min. when tested at ambient room tempera- ture with CA2104-( )HS stud bolt (Ref.: NASM25027). ture with CA2109-( )HS stud bolt (Ref.: NASM25027). Vibration: Per MIL-STD-1312, Test 7 except vibration life shall be Vibration: Per MIL-STD-1312, Test 7 except vibration life shall be 90,000 cycles min. with no rotation greater than 90°. 90,000 cycles min. with no rotation greater than 90°. Mechanical: Mechanical: Ultimate Tensile Strength: 2,800 lbs. min. ultimate. Ultimate Tensile Strength: 6,000 lbs. min. ultimate. Nut Push-Out: 400 lbs. min. ultimate. Nut Push-Out: 400 lbs. min. ultimate. Nut Torque-Out: 100 in. lbs. min. ultimate. Nut Torque-Out: 240 in. lbs. min. ultimate. Weight: 9.4 pounds/1000. Weight: 18.8 pounds/1000. Material: Nut: 4140 or 8740 Alloy Steel. Cage: 17-7 PH CRES. Heat Treat: Material: Nut: 180-200 KSI tensile strength. Nut: 4140 or 8740 Alloy Steel. Cage: Condition TH1050 Cage: Steel Finish: Heat Treat: Nut: Cadmium Plated per, Class 2 and dry film Nut: 180-200 KSI tensile strength. lubed. Cage: Rc38-42 Cage: Passivated or optional finish of Cadmium Plate Type II, Class 2 if desired. Finish: Nut Cadmium Plated per T ype I, Class 2 and dry film lubed. Phart No. Cage Finis Cage: Cadmium Plated per T ype II, Class 2. CdA2103 Passivate CdA2103C Cadmium Plate Notes: Notes: 1. Nut floats .025 minimum radially from cage centerline within 1. Nut floats .020 minimum radially from cage centerline within a .695 maximum envelope. a .615 maximum envelope. 2. The nut is removable and replaceable: for replacement, 2. The nut is removable and replaceable: for replacement, order nut P/N CA2108-1, order tool P/N CA1221-T10. order nut P/N CA2103-1, order tool P/N CA18157-T10. 3. This receptacle 3. This receptacle is to be used with a CA2109-( )HS stud bolt. is to be used with a CA2104-( )HS stud bolt. 4. Contact for optional receptacles, including encapsulated types. 35 Mark IV™ Plug Version. Retaining Rings. CA2106 and CA2111. A Weight Normal Part B Dia. per 1000 Mtaterial Hheat Trea Finis Size No. Dia. Ref. pcs. (lbs.) Passivated CA2106 Condition 5 .190 17-7 CRES 1/4 .375 .43 RH 950 Min. e 5 Cadmium Plated CA2106C , Type II, Class 2 .295 Cadmium Plated Carbon Steel 180-200 KSI 31/8 C5A211 .51 M5in. .7 Type II, Class 2 p p Plugs. CA2105 and CA2110. Material: 17-4 PH CRES. Heat Treat: Condition H900. Finish: Passivated. a Weight Nominal Part A C D Installation Tool per 1000 Size No. Dia. Ref. Ref. Part No. pcs. (lbs.) .217 15/4 CA210 .0182 .503 02.7 CA2104-T1 .212 .339 30/8 CA211 .5272 .004 22.8 CA2109-T1 .329 Plug Installation Tools. CA2104-T12 and CA2109-T12. (For field repair.) Note: Power tooling is also available for plug installation; contact Alcoa Fasteners. P.art No. A Dia. Ref C0A2104-T12 .5 C3A2109-T12 .6 36 Mark IV™ Plug Version Panel/Substructure Preparation and Installation Data. D G Stud Bolt A B C Dia. E Rivet Basic Part Number Dia. Dia. Dia. Min. Size .255 .409 .255 .689 CA2104-( )HS .406 3/32 .250 .403 .250 .685 .380 .533 .385 .877 CA2109-( )HS .547 1/8 .375 .527 .375 .873 Notes: 1. Locate and drill “A” Dia. hole through panel. 2. Countersink panel 101° to “B” Dia. 99° 3. Locate and drill “C” Dia. hole through substructure. 4. Counterbore to “D” Dia. in back side of panel or front side of substructure (location optional if panel thickness meets 10. Thread installation tool minimum requirements); otherwise counterbore substructure. onto stud bolt using ratchet- 5. Locate, drill and countersink two holes for rivets (not type hand tool supplied). 11. Turn until plug is fully 6. Place stud bolt in panel. seated (observe through 7. Orient tabs on viewing window). Do not over retaining ring to align tighten. slots in stud bolt and slide retaining ring onto stud bolt. ....... root. ... , 8. Place hex key or bit in hex socket of stud bolt. 12. Remove tool. Retaining ring is captivated. 13. Rivet receptacle in place, and installation is complete. 9. Place plug in 14. Contact for replacement installation tool. Power retaining rings installation tool is available; contact ,' Rexnord Specialty : I++------ .,. SQ Fastener Division. : • • �MClSS 37 Mark IV™ Positive Stud Hold-out Version. Features: Has all the features of the Mark IV plug version, plus: Superior strength. Positive stud bolt hold-out. Grommet design for composite material. Grommet is excellent for gasketed applications, provides hard seat surface, Superior load transfer and counterbore for retaining ring. Retaining ring is replaceable and no installation tool is necessary . Unthreaded lead on stud bolt offers probing ability. Accommodates large variations in grip (.140 inch). Stud Bolt Assemblies CA21037-4-( )HS. (1/4 size) First C Ultimate Ultimate Thread A D CA21037-6-( )HS. (3/8 size) Dash Dia. Tensile Single Shear Size Dia. Dia. Number Min. Strength Strength .2500-28 UNF-3A, .440 .2495 2600 lbs. -4 .375 2500 lbs. 2 Lead .430 .2470 min. .3750-24 UNF-3A, .564 .3745 6000 lbs. -6 .505 5000 lbs. 2 Lead .554 .3730 min. Material: Notes: Stud Bolt: 4140 or 8740 or 8740 1. Part number callout examples: Alloy Steel CA21037-4-10 HS . Hex Socket Recess Hold-out: 17-7 PH CRES L = 1.532; MS 5673. Other materials max. grip = .850 available. 1/4 size nominal . Basic Part Number Heat Treat: CA21037-6-10 HS Stud Bolt: 180-200 KSI Hex Socket Recess . L = 1.630; Hold-out: Condition CH900 max. grip = .850 . 3/8 size nominal Finish: Basic Part Number Stud Bolt: Cadmium Plated per , Type II, Class 2. 2. Contact Alcoa Fasteners for Hold-out: Passivated assistance in selecting correct dash . number. -e4 Size -6 Siz Second G Dash Grip Range Weight Weight Number Length Oz. Ea. Length Oz. Ea. Mminimum Maximu Maximum Maximum -02 .015 .229 .397 .01 11.17 .4 -14 .029 .243 16.11 .01 13.21 .4 -16 .043 .257 19.25 .01 18.35 .4 -18 .057 .271 12.39 .02 13.49 .5 -110 .071 .285 15.53 .02 18.63 .5 38 Mark IV™ Positive Stud Hold-out V ersion.