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2799886-008 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2799886-008: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC), special_features: ELASTIC STOP; 3 UNITS PER ASSEMBLY, nominal_thread_size: 0.250 INCHES IN, end_item_identification: SEWAGE TREATMENT ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-481-0982, 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
2799886-008
NSN: 5310-01-481-0982
FSC: 5310 — Nuts and Washers
CAGE: 47WD8 — EVAC NORTH AMERICA INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
special_featuresELASTIC STOP; 3 UNITS PER ASSEMBLY
nominal_thread_size0.250 INCHES IN
end_item_identificationSEWAGE TREATMENT ASSEMBLY
thread_quantity_per_inch20
part_name_assigned_by_controlling_agencyNUT, HEXAGON
NSN5310-01-481-0982
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2799886-008 · 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: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
THREAD CLASS: 3B
•
THREAD QUANTITY PER INCH: 20
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE0.250 INCHES IN
SPECIAL FEATURESELASTIC STOP; 3 UNITS PER ASSEMBLY
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT, HEXAGON
THREAD CLASS3B
END ITEM IDENTIFICATIONSEWAGE TREATMENT ASSEMBLY
THREAD QUANTITY PER INCH20
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
7150032 ITEM 23Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 2799886-008?
2799886-008 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 2799886-008?
There is 1 known substitute for 2799886-008: 7150032 ITEM 23. Substitute compatibility should be verified for your specific system.
What is the NSN for 2799886-008?
2799886-008 is cataloged in the U.S. Government catalog under NSN 5310-01-481-0982. 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.