Request Information

Airframe Bolt, Drilled - Length: 2-1/32", Grip: 1-9/16", Thread: 1/4-28, Corrosion Resistant Steel, Drilled Shank

Detail Characteristic
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER1.859 INCHES MINIMUM FIRST HOLE AND 1.891 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH2.016 INCHES MINIMUM AND 2.062 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH1.547 INCHES MINIMUM AND 1.578 INCHES MAXIMUM
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-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 431 OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM FIRST HOLE AND 0.086 INCHES MAXIMUM FIRST HOLE
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.438 INCHES MINIMUM AND 0.516 INCHES MAXIMUM
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 5306-00-156-2277

NIIN

 N/A 00-156-2277

Part # Unpunctuated

 N/A AN4C20

Minimum Order Note

 N/A Minimum order is 1. 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.