Request Information

Airframe Bolt, Drilled Head - Length: 3-5/32", Grip: 2-11/16", Thread: 1/4-28, Cadmium Plated Steel, Undrilled Shank, Drilled Head

Detail Characteristic
FASTENER LENGTH3.156 INCHES NOMINAL
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH2.688 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
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
HOLE DIAMETER0.046 INCHES NOMINAL
HOLE TYPEDRILLED
HOLE QUANTITY1
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 AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.468 INCHES MINIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM

Welcome Back
Winback Offer

Unit of Measure

Inventory

 N/A {0}

Estimated Ship Date

 N/A {N/A}

Inventory Note

 N/A Need additional stock? Call (877) 920-1876 or email

Weight

 N/A .005 lb

NSN

 N/A 5306-00-638-5809

NIIN

 N/A 00-638-5809

Part # Unpunctuated

 N/A AN4H31A

Minimum Order Note

 N/A Minimum order is 5. Must order in increments of 1.

Country of Origin

 N/A USA

Note

 N/A Our inventory is extensive. The majority of the items listed in our catalog are stocked and available for immediate shipment.

California Residents

 N/A Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm.