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ACCU-LOK® II blind fastener for composite application - 100° flush head titanium.
Unit of Measure

Dash Number (Grip)

900

Grip Range - Min. Grip

0.850 in

Grip Range - Max. Grip

0.900 in

Grip Range

0.850-0.900 in

A Dia Ref

0.635 in

B Dia Min

0.577 in

D Dia

0.311 in

E Dia Max

0.311 in

F Wrench Flats

0.152 in

G Ref

0.070 in

H Ref

0.136 in

L Max

0.952 in

R Rad

0.040 in

S Max

0.026 in

T Across Hex. Ref

0.500 in

Minimum available grip length

-250

Recommended Hole Size

0.312-0.315

J Dia Min

0.475 in

K Max

0.550 in

Break off Limits <5><6>

0.000-0.103

Tensile Structural Failure (Min)

3600 lb

Double Shear Min

11350 lb

Locking Torque Min

3.500 lb-in0.400 N-m

V Gage Prot.

0.041 in

W Gage Dia

0.539 in

Material and Heat Treat

Nut: 6AL-4V titanium per AMS4928 or AMS4967; heat treated per MIL-H-81200 to 95 ksi shear strength minimum. Maximum hydrogen content 125 ppm.
Screw: A-286 per AMS 5731 or AMS 5734; heat treated to 175 ksi tensile min.
Sleeve: 304 stainless steel per AMS 5639, heat treat as required for performance.
Insert: Acetal per ASTM D4181.
DryvcapTM: Mild steel (color gray)

Finish

(-) Nut: KAL-GARD ANN-RO #1012 conversion coating or phosphate flouride per AMS2486 may be used at manufacturer´s option.
Sleeve & screw: Passivate per AMS-QQ-P-35, KAL-GARD ANN-RO #1013 conversion coating optional.
Insert: None
DryvcapTM

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
Part numbering system for ACCU-LOKTM blind fasteners: FCBF204

Material Type

Titanium

Rated Shear Strength

75 KSI

Headstyle

100° Flush