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8HB276 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8HB276: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 12L14 OVERALL, nut_style: HEXAGON, nut_height: 0.172 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF, special_features: COLOR BLACK. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-080-9026, 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
8HB276
NSN: 5310-01-080-9026
FSC: 5310 — Nuts and Washers
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 12L14 OVERALL
nut_styleHEXAGON
nut_height0.172 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
special_featuresCOLOR BLACK
thread_directionRIGHT-HAND
countersink_angle90.0 DEGREES NOMINAL THREADS
surface_treatmentZINC OVERALL
width_across_flats0.750 INCHES NOMINAL IN
nominal_thread_size0.500 INCHES IN
bearing_surface_typeCHAMFERED
NSN5310-01-080-9026
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8HB276 · 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: 0.750 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
NUT HEIGHT: 0.172 INCHES NOMINAL IN
•
SURFACE TREATMENT: ZINC OVERALL
•
COUNTERSINK ANGLE: 90.0 DEGREES NOMINAL THREADS
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.750 INCHES NOMINAL IN
THREAD SERIESUNF
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.500 INCHES IN
NUT HEIGHT0.172 INCHES NOMINAL IN
SPECIAL FEATURESCOLOR BLACK
SURFACE TREATMENTZINC OVERALL
COUNTERSINK ANGLE90.0 DEGREES NOMINAL THREADS
NUT STYLEHEXAGON
THREAD CLASS2B
SUBSTITUTES & CROSS-REFERENCES 2
20082Reference document
Same NSN cross-reference
Reference document — Secondary reference
3MC6Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 8HB276?
8HB276 is a NUT,PLAIN,HEXAGON.
What parts can replace 8HB276?
There are 2 known substitutes for 8HB276: 20082, 3MC6. Substitute compatibility should be verified for your specific system.
What is the NSN for 8HB276?
8HB276 is cataloged in the U.S. Government catalog under NSN 5310-01-080-9026. 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.