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

Dash Number (Grip)

N/A 300

Grip Range - Min. Grip

N/A 0.250 in

Grip Range - Max. Grip

N/A 0.300 in

Grip Range

N/A 0.250-0.300 in

A Hex

N/A 0.250 in

B Min

N/A 0.272 in

D

N/A 0.165 in

E Max

N/A 0.164 in

F Wrench Flats

N/A 0.085 in

G Ref

N/A 0.017 in

H

N/A 0.089 in

L Ref

N/A 0.512 in

R Rad

N/A 0.030 in

T Across Hex Ref

N/A 0.375 in

Minimum available grip length

N/A -100

Recommended Hole Size

N/A 0.165-0.168

J Dia Min

N/A 0.250 in

K Max

N/A 0.300 in

Break off Limits <5><7>

N/A 0.050-0.053

Tensile Structural Failure (Min)

N/A 900 lb

Double Shear Min

N/A 3150 lb

Locking Torque Min

N/A 1.000 lb-in0.113 N-m

Material and Heat Treat

N/A 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

N/A 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

N/A 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

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

Material Type

N/A Titanium

Rated Shear Strength

N/A 75 KSI

Headstyle

N/A Hex Protruding

Notes

N/A 5.Locking feature consists of three (3) indentations located 120° apart on the periphery of the nut component and approximately .040" above intersection of the nut nose angle and O.D.
<6>Alternate head marking: ("VS") and "2011".
7.Composite blind fasteners with selected combinations of the above lubrications and finishes are specially coded and may be substituted for equivalent non-coded parts at manufactures option. Contact Howmet Fastening Engineering Systems.
<8>An "L" in place of the dash (-) between the diameter dash number and the grip dash number designates modified break-off limits +.053/-.050. "EX: FCBF2111( )-6L200.
<9>Distortion shall not prevent insertion of the fastener into a ring gauge of length equal to one diameter and hole diameter equal to a minimum recommended hole. Insertion force shall not exceed 5.0 lbs.
<10>High break parts denoted by an "H" in the part number as follows