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A31029 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A31029: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 0.328 INCHES NOMINAL IN, diameter: 0.246 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN, material: COPPER ALLOY OVERALL, head_style: FLAT CHAMFER, chamfer_length: 0.031 INCHES NOMINAL IN, special_features: TAPPED HOLE 10-32 UNF-2B IN HEAD LOCATED 90 DEGREE ANGLE FROM SHANK HOLE. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-232-0841, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
A31029
NSN: 5315-00-232-0841
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 41625 — INCOM INTL INC MORSE CONTROLS DIV (USA)
SPECIFICATIONS
height0.328 INCHES NOMINAL IN
diameter0.246 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
materialCOPPER ALLOY OVERALL
head_styleFLAT CHAMFER
chamfer_length0.031 INCHES NOMINAL IN
special_featuresTAPPED HOLE 10-32 UNF-2B IN HEAD LOCATED 90 DEGREE ANGLE FROM SHANK HOLE
style_designatorSTRAIGHT
pin_chamfer_angle45.0 DEGREES NOMINAL
pin_head_diameter0.438 INCHES NOMINAL IN
under_head_length0.297 INCHES NOMINAL IN
first_hole_diameter0.098 INCHES NOMINAL IN
hole_arrangement_styleONE END DRILLED
NSN5315-00-232-0841
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A31029 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CHAMFER LENGTH: 0.031 INCHES NOMINAL IN
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
UNDER HEAD LENGTH: 0.297 INCHES NOMINAL IN
•
PIN CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
FIRST HOLE DIAMETER: 0.098 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT
•
PIN HEAD DIAMETER: 0.438 INCHES NOMINAL IN
•
DIAMETER: 0.246 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.031 INCHES NOMINAL IN
HOLE ARRANGEMENT STYLEONE END DRILLED
UNDER HEAD LENGTH0.297 INCHES NOMINAL IN
PIN CHAMFER ANGLE45.0 DEGREES NOMINAL
FIRST HOLE DIAMETER0.098 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER0.438 INCHES NOMINAL IN
DIAMETER0.246 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
HEAD STYLEFLAT CHAMFER
HEIGHT0.328 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
31029Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A31029?
A31029 is a PIN,STRAIGHT,HEADED.
What parts can replace A31029?
There is 1 known substitute for A31029: 31029. Substitute compatibility should be verified for your specific system.
What is the NSN for A31029?
A31029 is cataloged in the U.S. Government catalog under NSN 5315-00-232-0841. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.