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96278A411 — NUT,PLAIN,ASSEMBLED WASHER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

96278A411: NUT,PLAIN,ASSEMBLED WASHER.

The NUT,PLAIN,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: EXTERNAL TOOTH, nut_height: 0.125 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF, overall_height: 0.1719 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-551-7903, 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
96278A411
NSN: 5310-01-551-7903
FSC: 5310 — Nuts and Washers
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_styleEXTERNAL TOOTH
nut_height0.125 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
overall_height0.1719 INCHES NOMINAL IN
special_featuresSPECIFIC MATERIAL IS 18-8 STAINLESS STEEL
thread_directionRIGHT-HAND
features_providedFLOATING NUT
width_across_flats0.375 INCHES NOMINAL IN
nominal_thread_size0.190 INCHES IN
end_item_identificationMRAP - BUFFALO; MRAP BUFFALO MK2A2; MRAP - COUGAR
NSN5310-01-551-7903
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 96278A411 · 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
•
WASHER OUTSIDE DIAMETER: 0.406 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.375 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
FEATURES PROVIDED: FLOATING NUT
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
NUT HEIGHT: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.1719 INCHES NOMINAL IN
WASHER OUTSIDE DIAMETER0.406 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.375 INCHES NOMINAL IN
THREAD SERIESUNF
FEATURES PROVIDEDFLOATING NUT
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.190 INCHES IN
NUT HEIGHT0.125 INCHES NOMINAL IN
SPECIAL FEATURESSPECIFIC MATERIAL IS 18-8 STAINLESS STEEL
PART NAME ASSIGNED BY CONTROLLING AGENCY10-32 SCREW HEX NUT WITH TOOTH WASHER
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
205073-01Same 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 96278A411?
96278A411 is a NUT,PLAIN,ASSEMBLED WASHER.
What parts can replace 96278A411?
There is 1 known substitute for 96278A411: 205073-01. Substitute compatibility should be verified for your specific system.
What is the NSN for 96278A411?
96278A411 is cataloged in the U.S. Government catalog under NSN 5310-01-551-7903. 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.