82128-1 — NUT,PLAIN,HEXAGON

✓ Government record, cited

Ricoh · NUT WASHER

PRODUCT OVERVIEW

82128-1: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a Ricoh industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), special_features: NUT IS CASE HARDENED BLACK OXIDE ALLOY STEEL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-502-1446, 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

82128-1

NSN: 5310-01-502-1446
FSC: 5310 — Nuts and Washers
CAGE: 0BT64 — BARRETT FIREARMS MANUFACTURING, INC. DBA BARRETT FIREARMS MANUFACTURING INC (USA)

SPECIFICATIONS

material	STEEL OVERALL
nut_style	HEXAGON
nut_height	0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
thread_class	2B
thread_series	UNIFIED NATIONAL COARSE (UNC)
special_features	NUT IS CASE HARDENED BLACK OXIDE ALLOY STEEL
thread_direction	RIGHT-HAND
surface_treatment	OXIDE OVERALL
width_across_flats	0.500 INCHES NOMINAL IN
nominal_thread_size	0.250 INCHES IN
bearing_surface_type	CHAMFERED OR WASHER FACED
end_item_identification	1005-01-469-2133
NSN	5310-01-502-1446

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.500 INCHES NOMINAL IN

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.250 INCHES IN

•

NUT HEIGHT: 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN

•

SURFACE TREATMENT: OXIDE OVERALL

•

NUT STYLE: HEXAGON

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.500 INCHES NOMINAL IN
THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.250 INCHES IN
NUT HEIGHT	0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
SPECIAL FEATURES	NUT IS CASE HARDENED BLACK OXIDE ALLOY STEEL
SURFACE TREATMENT	OXIDE OVERALL
NUT STYLE	HEXAGON
THREAD CLASS	2B
END ITEM IDENTIFICATION	1005-01-469-2133

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 2

5310PL1630565Reference document

Same NSN cross-reference

Reference document — Informative reference only

91026A029Reference 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 82128-1?

82128-1 is a NUT,PLAIN,HEXAGON manufactured by Ricoh.

What parts can replace 82128-1?

There are 2 known substitutes for 82128-1: 5310PL1630565, 91026A029. Substitute compatibility should be verified for your specific system.

What is the NSN for 82128-1?

82128-1 is cataloged in the U.S. Government catalog under NSN 5310-01-502-1446. This indicates validated use in U.S. government and defense supply chains.

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82128-1 — NUT,PLAIN,HEXAGON

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