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25084975 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

25084975: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_diameter: 3.750 INCHES NOMINAL IN, thread_class: 3B, nut_thickness: 0.625 INCHES NOMINAL IN, thread_series: UN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-599-9676, 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
25084975
NSN: 5310-01-599-9676
FSC: 5310 — Nuts and Washers
CAGE: 89619 — MACK TRUCKS, INC. DBA MACUNGIE OPERATIONS DIV LEHIGH VALLEY OPERATIONS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_diameter3.750 INCHES NOMINAL IN
thread_class3B
nut_thickness0.625 INCHES NOMINAL IN
thread_seriesUN
thread_directionRIGHT-HAND
nominal_thread_size2.500 INCHES IN
end_item_identificationMRAP BUFFALO MK2A2
NSN5310-01-599-9676
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 25084975 · 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: UN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 2.500 INCHES IN
•
NUT DIAMETER: 3.750 INCHES NOMINAL IN
•
NUT THICKNESS: 0.625 INCHES NOMINAL IN
•
THREAD CLASS: 3B
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
THREAD SERIESUN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE2.500 INCHES IN
NUT DIAMETER3.750 INCHES NOMINAL IN
NUT THICKNESS0.625 INCHES NOMINAL IN
THREAD CLASS3B
END ITEM IDENTIFICATIONMRAP BUFFALO MK2A2
MATERIALSTEEL 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 1
267KC28Reference 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 25084975?
25084975 is a NUT,PLAIN,ROUND.
What parts can replace 25084975?
There is 1 known substitute for 25084975: 267KC28. Substitute compatibility should be verified for your specific system.
What is the NSN for 25084975?
25084975 is cataloged in the U.S. Government catalog under NSN 5310-01-599-9676. 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.