Airframe Bolt - Length: 4-1/32", Grip: 3-9/16", Thread: 1/4-28, Cadmium Plated Steel, Undrilled Shank

Detail Characteristic
FASTENER LENGTH4.031 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH3.562 INCHES NOMINAL
HARDNESS RATING26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 4037 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 4140 OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.469 INCHES MINIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM

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Unit of Measure

Discount Table - AN4-40A

Unit
Discount Price / %
50 - 99
$1.47
100 - 499
$1.42
500 - 999
$1.30
1000   and up
$1.22

Inventory

Estimated Ship Date

Inventory Note

 Need additional stock? Call (855) 832-0216 or email

Thread Size

 1/4-28

Length

 4-1/32 in

Grip

 3-9/16 in

Drilling

 Undrilled Head

Head Type

 Hexagon

Industry Standards/Certification

 AN4

Weight

 0.06 lb

NSN

 5306-00-151-0450

NIIN

 00-151-0450

Part # Unpunctuated

 AN440A

Minimum Order Note

 Minimum order is 10. Must order in increments of 1.

Country of Origin

 USA