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86050277 — NUT BLANK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

86050277: NUT BLANK.

The NUT BLANK is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, nut_style: CASTELLATED, OCTAGON, nut_height: 0.329 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN, special_features: LOCKING, 5/16-18 THREAD, width_across_flats: 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN, end_item_identification: TRACTOR. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-559-0277, 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
86050277
NSN: 5310-01-559-0277
FSC: 5310 — Nuts and Washers
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
nut_styleCASTELLATED, OCTAGON
nut_height0.329 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
special_featuresLOCKING, 5/16-18 THREAD
width_across_flats0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
end_item_identificationTRACTOR
NSN5310-01-559-0277
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 86050277 · 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
•
WIDTH ACROSS FLATS: 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
•
NUT HEIGHT: 0.329 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
•
NUT STYLE: CASTELLATED, OCTAGON
•
MATERIAL: PLASTIC OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
NUT HEIGHT0.329 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
SPECIAL FEATURESLOCKING, 5/16-18 THREAD
NUT STYLECASTELLATED, OCTAGON
END ITEM IDENTIFICATIONTRACTOR
MATERIALPLASTIC 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
CV136861Same 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 86050277?
86050277 is a NUT BLANK.
What parts can replace 86050277?
There is 1 known substitute for 86050277: CV136861. Substitute compatibility should be verified for your specific system.
What is the NSN for 86050277?
86050277 is cataloged in the U.S. Government catalog under NSN 5310-01-559-0277. 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.