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901-331-956(105SC) — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

901-331-956(105SC): NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include nut_style: ROUND, nut_diameter: 2.940 INCHES NOMINAL IN, nut_thickness: 0.4200 INCHES MINIMUM AND 0.4210 INCHES MAXIMUM IN, drive_point_width: 0.250 INCHES NOMINAL IN, end_item_identification: MV-22 AIRCRAFT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-517-7623, 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
901-331-956(105SC)
NSN: 5310-01-517-7623
FSC: 5310 — Nuts and Washers
CAGE: 77272 — THE BOEING COMPANY (USA)
SPECIFICATIONS
nut_styleROUND
nut_diameter2.940 INCHES NOMINAL IN
nut_thickness0.4200 INCHES MINIMUM AND 0.4210 INCHES MAXIMUM IN
drive_point_width0.250 INCHES NOMINAL IN
end_item_identificationMV-22 AIRCRAFT
NSN5310-01-517-7623
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 901-331-956(105SC) · 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
•
DRIVE POINT WIDTH: 0.250 INCHES NOMINAL IN
•
NUT DIAMETER: 2.940 INCHES NOMINAL IN
•
NUT THICKNESS: 0.4200 INCHES MINIMUM AND 0.4210 INCHES MAXIMUM IN
•
NUT STYLE: ROUND
TECHNICAL CHARACTERISTICS
DRIVE POINT WIDTH0.250 INCHES NOMINAL IN
NUT DIAMETER2.940 INCHES NOMINAL IN
NUT THICKNESS0.4200 INCHES MINIMUM AND 0.4210 INCHES MAXIMUM IN
NUT STYLEROUND
END ITEM IDENTIFICATIONMV-22 AIRCRAFT
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 1
901-331-956-105Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 901-331-956(105SC)?
901-331-956(105SC) is a NUT,PLAIN,ROUND.
What parts can replace 901-331-956(105SC)?
There is 1 known substitute for 901-331-956(105SC): 901-331-956-105. Substitute compatibility should be verified for your specific system.
What is the NSN for 901-331-956(105SC)?
901-331-956(105SC) is cataloged in the U.S. Government catalog under NSN 5310-01-517-7623. 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.