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3180977 — NUT,SLEEVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3180977: NUT,SLEEVE.

The NUT,SLEEVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, thread_class: 3B, thread_series: UNS, special_features: 22 0.250-20 UNJ HOLES 0.500 IN. DEEP EQUALLY SPACED ON ONE BEARING SURFACE IN, thread_direction: RIGHT-HAND, nominal_thread_size: 5.600 INCHES IN.

This part is cataloged in the U.S. Government catalog under NSN 5310-01-348-1731, 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
3180977
NSN: 5310-01-348-1731
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
thread_class3B
thread_seriesUNS
special_features22 0.250-20 UNJ HOLES 0.500 IN. DEEP EQUALLY SPACED ON ONE BEARING SURFACE IN
thread_directionRIGHT-HAND
nominal_thread_size5.600 INCHES IN
cross-sectional_shapeSQUARE OVERALL
end_item_identificationOHIO CLASS SSN (TRIDENT)
NSN5310-01-348-1731
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3180977 · 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
•
THREAD SERIES: UNS
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 5.600 INCHES IN
•
CROSS-SECTIONAL SHAPE: SQUARE OVERALL
•
THREAD CLASS: 3B
•
MATERIAL: NICKEL ALLOY OVERALL
TECHNICAL CHARACTERISTICS
THREAD SERIESUNS
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE5.600 INCHES IN
CROSS-SECTIONAL SHAPESQUARE OVERALL
SPECIAL FEATURES22 0.250-20 UNJ HOLES 0.500 IN. DEEP EQUALLY SPACED ON ONE BEARING SURFACE IN
THREAD CLASS3B
END ITEM IDENTIFICATIONOHIO CLASS SSN (TRIDENT)
MATERIALNICKEL ALLOY OVERALL
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

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 3180977?
3180977 is a NUT,SLEEVE.
What is the NSN for 3180977?
3180977 is cataloged in the U.S. Government catalog under NSN 5310-01-348-1731. 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.