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ACCU-LOK® II blind fastener for interference fit application in metallic structure low profile protruding head A-286 stainless (95 KSI Fau CRES).
Unit of Measure

Dash Number (Grip)

500

Grip Range - Min. Grip

0.450 in

Grip Range - Max. Grip

0.500 in

Grip Range

0.450-0.500 in

A Dia

0.640 in

D Dia

0.346 in

E Dia Max

0.343 in

F Wrench Flats

0.185 in

G Ref.

0.075 in

H

0.105 in

L Ref.

0.941 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

0.344-0.345

J Dia Min

0.525 in

K Max

0.575 in

Break off Limits <5>

0.100-0.003

Tensile Structural Failure (Min) <7>

5 lb

Double Shear Min

18 lb

Locking Torque Min

4.000 lb-in0.452 N-m

Material and Heat Treat

Nut: A-286 per chemical requirements of AMS 5732. Heat treated as required for performance.
Corebolt: Inconel 718 per AMS 5662, heat treated to 125 ksi Fsu.
Sleeve: 304 stainless steel per AMS 5639, heat treated as required for performance.
Insert: Acetal per ASTM D4181
DryvcapTM: Mild steel.

Finish

Nut, Sleeve & Corebolt: 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

Procurement specification: FCBF200
Special lube and finish: FCBF202

Material Type

A286 CRES

Rated Shear Strength

90 KSI

Headstyle

Protruding