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ACCU-LOK® II blind fastener for composite application low profile protruding head A-286 CRES.
Unit of Measure

Dash Number (Grip)

450

Grip Range - Min. Grip

0.400 in

Grip Range - Max. Grip

0.450 in

Grip Range

0.400-0.450 in

A Dia

0.765 in

D Dia

0.375 in

E Dia Max

0.374 in

F Wrench Flats

0.185 in

G Ref.

0.080 in

H

0.125 in

L Ref.

1.090 in

R Rad Max

0.040 in

T Across Hex. Ref.

0.500 in

Z Max

0.045 in

Minimum available grip length

-150

Recommended Hole Size

0.375-0.378

J Dia Min

0.575 in

K Max

0.625 in

Break off Limits <5>

0.000-0.103

Tensile Structural Failure (Min)

5000 lb

Double Shear Min

16450 lb

Locking Torque Min

4.000 lb-in0.452 N-m

Material and Heat Treat

Nut: A-286 per chemical requirements of AMS 5731, AMS 5732, AMS 5734 and AMS 5737. Heat treated as required for performance.
Screw: A-286 per the chemical requirements of AMS 5731, AMS 5732, AMS 5734 and AMS 5737. Heat treated as required for performance.
Sleeve: 304 stainless steel per AMS 5639, heat treated as required for performance.
Insert: Acetal per ASTM D4181
DryvcapTM: Mild steel.

Finish

Nut, Sleeve & Screw: Passivate per AMS-QQ-P-35. KAL-GARD ANN-RO #1013 conversion coating optional.
Insert: None
DryvcapTM: Corrosion resistant coating, color black.

Lubricants

The following lubricants may be applied to any or all components in any combination as required for performance unless otherwise specified: Dry film lube per AS5272, Type I, everlube #812, paraffin wax, or cetyl alcohol per MIL-L-87132.

Applicable Specification

1.Procurement specification: FCBF200
2.Special lube and finish: FCBF202

Material Type

A286 CRES

Rated Shear Strength

75 KSI

Headstyle

Protruding