5HA181 — NUT,PLAIN,ASSEMBLED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

5HA181: NUT,PLAIN,ASSEMBLED WASHER.

The NUT,PLAIN,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1050 WASHER, nut_style: CONICAL, nut_height: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNF, overall_height: 0.200 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-144-3121, 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

5HA181

NSN: 5310-01-144-3121
FSC: 5310 — Nuts and Washers
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)

SPECIFICATIONS

material	STEEL COMP 1050 WASHER
nut_style	CONICAL
nut_height	0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
thread_class	2B
thread_series	UNF
overall_height	0.200 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
surface_treatment	ZINC AND DICHROMATE OVERALL
width_across_flats	0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
nominal_thread_size	0.190 INCHES IN
washer_outside_diameter	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
thread_quantity_per_inch	32
NSN	5310-01-144-3121

COMPONENT DIAGRAM

KEY FEATURES

•

WASHER OUTSIDE DIAMETER: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: G-4342-M,CODE 20D72,FSCM 16764 MFR REF ALL TREATMENT RESPONSES OVERALL

•

THREAD SERIES: UNF

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.190 INCHES IN

•

NUT HEIGHT: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.200 INCHES NOMINAL IN
WASHER OUTSIDE DIAMETER	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	G-4342-M,CODE 20D72,FSCM 16764 MFR REF ALL TREATMENT RESPONSES OVERALL
THREAD SERIES	UNF
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.190 INCHES IN
NUT HEIGHT	0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
SURFACE TREATMENT	ZINC AND DICHROMATE OVERALL
NUT STYLE	CONICAL

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

5310011443121Reference document

Same NSN cross-reference

Reference document — Informative reference only

1979365Reference 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 5HA181?

5HA181 is a NUT,PLAIN,ASSEMBLED WASHER.

What parts can replace 5HA181?

There are 2 known substitutes for 5HA181: 5310011443121, 1979365. Substitute compatibility should be verified for your specific system.

What is the NSN for 5HA181?

5HA181 is cataloged in the U.S. Government catalog under NSN 5310-01-144-3121. This indicates validated use in U.S. government and defense supply chains.

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5HA181 — NUT,PLAIN,ASSEMBLED WASHER

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