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6404329-25 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6404329-25: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, pin_overall_length: 0.750 INCHES NOMINAL IN, pin_overall_diameter: 0.2500 INCHES NOMINAL IN, end_item_identification: OPERATOR,HYD,MBT VV NO 2. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-381-1844, 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
6404329-25
NSN: 5315-01-381-1844
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
pin_overall_length0.750 INCHES NOMINAL IN
pin_overall_diameter0.2500 INCHES NOMINAL IN
end_item_identificationOPERATOR,HYD,MBT VV NO 2
NSN5315-01-381-1844
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6404329-25 · 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
•
PIN OVERALL DIAMETER: 0.2500 INCHES NOMINAL IN
•
PIN OVERALL LENGTH: 0.750 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
PIN OVERALL DIAMETER0.2500 INCHES NOMINAL IN
PIN OVERALL LENGTH0.750 INCHES NOMINAL IN
END ITEM IDENTIFICATIONOPERATOR,HYD,MBT VV NO 2
MATERIALSTEEL OVERALL
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 1
563-6404329-25Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 6404329-25?
6404329-25 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 6404329-25?
There is 1 known substitute for 6404329-25: 563-6404329-25. Substitute compatibility should be verified for your specific system.
What is the NSN for 6404329-25?
6404329-25 is cataloged in the U.S. Government catalog under NSN 5315-01-381-1844. 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.