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C161-3-4L-3077 — NUT ASSEMBLY,SELF-LOCKING,GANG C

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

C161-3-4L-3077: NUT ASSEMBLY,SELF-LOCKING,GANG C.

NUT ASSEMBLY,SELF-LOCKING,GANG C. This part is cataloged in the U.S. Government catalog under NSN 5310-01-285-0539, 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
C161-3-4L-3077
NSN: 5310-01-285-0539
FSC: 5310 — Nuts and Washers
CAGE: 27238 — BRISTOL INDUSTRIES, LLC (USA)
SPECIFICATIONS
Part NumberC161-3-4L-3077
NSN5310-01-285-0539
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: C161-3-4L-3077 · 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
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 5
LE114-0041A3077Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
G49838-3-4-L307Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
BGC00647-3-4L-3077Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
NA2066-4-02V3077Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
G11192J4-3L30Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 C161-3-4L-3077?
C161-3-4L-3077 is a NUT ASSEMBLY,SELF-LOCKING,GANG C.
What parts can replace C161-3-4L-3077?
There are 5 known substitutes for C161-3-4L-3077: LE114-0041A3077, G49838-3-4-L307, BGC00647-3-4L-3077 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C161-3-4L-3077?
C161-3-4L-3077 is cataloged in the U.S. Government catalog under NSN 5310-01-285-0539. 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.