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Technical Data Sheet
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6781571 — 6781571

✓ Government record, cited
NAVAL SEA SYSTEMS COMMAND · NUT WASHER
PRODUCT OVERVIEW

6781571: 6781571.

The 6781571 is a NAVAL SEA SYSTEMS COMMAND industrial component. This part is cataloged in the U.S. Government catalog under NSN 5315-01-454-5979, 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
6781571
NSN: 5315-01-454-5979
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number6781571
ManufacturerNAVAL SEA SYSTEMS COMMAND
NSN5315-01-454-5979
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6781571 · NAVAL SEA SYSTEMS COMMAND ⚠ 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6781571?
6781571 is a 6781571 manufactured by NAVAL SEA SYSTEMS COMMAND.
What is the NSN for 6781571?
6781571 is cataloged in the U.S. Government catalog under NSN 5315-01-454-5979. This indicates validated use in U.S. government and defense supply chains.
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