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0631.306.621 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

0631.306.621: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include special_features: OEM ZF FRIEDRICHSHAFEN, end_item_identification: 3930-01-522-7364, part_name_assigned_by_controlling_agency: CYLINDRICAL PIN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-656-4166, 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
0631.306.621
NSN: 5315-01-656-4166
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 1EPQ7 — PALMER JOHNSON POWER SYSTEMS LLC DBA PALMER JOHNSON DISTRIBUTORS (USA)
SPECIFICATIONS
special_featuresOEM ZF FRIEDRICHSHAFEN
end_item_identification3930-01-522-7364
part_name_assigned_by_controlling_agencyCYLINDRICAL PIN
NSN5315-01-656-4166
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 0631.306.621 · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESOEM ZF FRIEDRICHSHAFEN
PART NAME ASSIGNED BY CONTROLLING AGENCYCYLINDRICAL PIN
END ITEM IDENTIFICATION3930-01-522-7364
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 0631.306.621?
0631.306.621 is a PIN,STRAIGHT,HEADLESS.
What is the NSN for 0631.306.621?
0631.306.621 is cataloged in the U.S. Government catalog under NSN 5315-01-656-4166. 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.