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ACCU-LOK® blind fastener for composite application head head titanium.
Unit of Measure

Dash Number (Grip)

650

Grip Range - Min. Grip

0.600 in

Grip Range - Max. Grip

0.650 in

Grip Range

0.600-0.650 in

A Hex

0.468 in

B Min

0.513 in

D

0.344 in

E Max

0.343 in

F Wrench Flats

0.185 in

G Ref

0.075 in

H

0.112 in

L Ref

0.941 in

R Rad

0.040 in

T Across Hex Ref

0.500 in

Minimum available grip length

-150

Recommended Hole Size

0.344-0.347

J Dia Min

0.525 in

K Max

0.575 in

Break off Limits <5><7>

0.050-0.053

Tensile Structural Failure (Min)

4400 lb

Double Shear Min

13850 lb

Locking Torque Min

4.000 lb-in0.452 N-m

Material and Heat Treat

1.Nut: 6AL-4V titanium per AMS 4928 or AMS 4967; heat treated per MIL-H-81200 to 95 ksi shear strength minimum. Maximum hydrogen content 125 ppm.
2.Screw: A286 per AMS 5731, AMS 5732 or AMS 5737; heat reated to 175 ksi tensile minimum.
3.Sleeve: 304 stainless steel per AMS 5639, heat treated as required for performance.
4.Insert: Acetal per ASTM D4181
5.DryvcapTM: Mild steel (color gray).

Finish

1.(-) Nut: KAL-GARD ANN-RO #1012 conversion coating or phosphate flouride per AMS 2488 may be used at manufacturer´s option.
2.Sleeve & screw: Passivate per AMS 2700, KAL-GARD ANN-RO #1013 conversion coating optional.
3.Insert: None
4.Dryvcap<

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

Titanium

Rated Shear Strength

75 KSI

Headstyle

Hex Protruding