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ACCU-LOK® IIA blind fastener for composite application 130° flush head CRES (1/64 oversize).
Unit of Measure

Dash Number (Grip)

1250

Grip Range - Min. Grip

1.200 in

Grip Range - Max. Grip

1.250 in

Grip Range

1.200-1.250 in

A Dia Ref.

0.762 in

B Dia Min

0.696

D Dia

0.390 in

E Dia Max

0.390 in

F Wrench Flats

0.185 in

G Ref.

0.083 in

H Ref.

0.086

L Ref.

1.100 in

R Rad Max

0.040 in

S Max

0.016 in

T Across Hex. Ref

0.500 in

Minimum available grip length

-250

Recommended Hole Size

0.390-0.393

J Dia Min

0.565 in

K Max

0.675 in

Break off Limits <4>

0.050-0.053

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 and Corebolt: A-286 stainless steel per chemical requirements of AMS 5731 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 & Corebolt: Passivate per AMS-QQ-P-35. KAL-GARD ANN-RO #1013 conversion coating optional.
Insert: None
DryvcapTM: Color brown.

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: FCBF208
Special lube and finish: FCBF202

Material Type

A286 CRES

Rated Shear Strength

75 KSI

Headstyle

130° Flush