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0051291-3 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

0051291-3: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 0.250 INCHES NOMINAL IN, diameter: 0.3765 INCHES MINIMUM AND 0.3775 INCHES MAXIMUM IN, material: STEEL OVERALL, head_style: FLAT, chamfer_length: 0.031 INCHES NOMINAL IN, style_designator: STRAIGHT. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-276-4467, 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
0051291-3
NSN: 5315-00-276-4467
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 89926 — NEW HOLLAND CONSTRUCTION (USA)
SPECIFICATIONS
height0.250 INCHES NOMINAL IN
diameter0.3765 INCHES MINIMUM AND 0.3775 INCHES MAXIMUM IN
materialSTEEL OVERALL
head_styleFLAT
chamfer_length0.031 INCHES NOMINAL IN
style_designatorSTRAIGHT
features_providedCASEHARDENED
pin_chamfer_angle45.0 DEGREES NOMINAL
pin_head_diameter0.750 INCHES NOMINAL IN
under_head_length0.500 INCHES NOMINAL IN
hole_arrangement_styleONE END DRILLED
NSN5315-00-276-4467
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 0051291-3 · 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: 0.500 INCHES NOMINAL IN
•
PIN CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
STYLE DESIGNATOR: STRAIGHT
•
PIN HEAD DIAMETER: 0.750 INCHES NOMINAL IN
•
DIAMETER: 0.3765 INCHES MINIMUM AND 0.3775 INCHES MAXIMUM IN
•
FEATURES PROVIDED: CASEHARDENED
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.031 INCHES NOMINAL IN
HOLE ARRANGEMENT STYLEONE END DRILLED
UNDER HEAD LENGTH0.500 INCHES NOMINAL IN
PIN CHAMFER ANGLE45.0 DEGREES NOMINAL
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER0.750 INCHES NOMINAL IN
DIAMETER0.3765 INCHES MINIMUM AND 0.3775 INCHES MAXIMUM IN
FEATURES PROVIDEDCASEHARDENED
HEAD STYLEFLAT
HEIGHT0.250 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
051291Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 0051291-3?
0051291-3 is a PIN,STRAIGHT,HEADED.
What parts can replace 0051291-3?
There is 1 known substitute for 0051291-3: 051291. Substitute compatibility should be verified for your specific system.
What is the NSN for 0051291-3?
0051291-3 is cataloged in the U.S. Government catalog under NSN 5315-00-276-4467. 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.