394749 — NUT,PLAIN,OCTAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

394749: NUT,PLAIN,OCTAGON.

The NUT,PLAIN,OCTAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020 OVERALL, nut_style: PLAIN, OCTAGON, nut_height: 0.438 INCHES NOMINAL IN, thread_class: 3B, thread_series: UN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-276-3399, 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

394749

NSN: 5310-00-276-3399
FSC: 5310 — Nuts and Washers
CAGE: 65282 — WHITE MOTOR CORP (USA)

SPECIFICATIONS

material	STEEL COMP 1020 OVERALL
nut_style	PLAIN, OCTAGON
nut_height	0.438 INCHES NOMINAL IN
thread_class	3B
thread_series	UN
thread_direction	RIGHT-HAND
width_across_flats	4.875 INCHES NOMINAL IN
nominal_thread_size	4.000 INCHES IN
bearing_surface_type	CHAMFERED
thread_quantity_per_inch	12
material_document_and_classification	QQ-A-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-00-276-3399

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 4.875 INCHES NOMINAL IN

•

THREAD SERIES: UN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 4.000 INCHES IN

•

NUT HEIGHT: 0.438 INCHES NOMINAL IN

•

NUT STYLE: PLAIN, OCTAGON

•

THREAD CLASS: 3B

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	4.875 INCHES NOMINAL IN
THREAD SERIES	UN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	4.000 INCHES IN
NUT HEIGHT	0.438 INCHES NOMINAL IN
NUT STYLE	PLAIN, OCTAGON
THREAD CLASS	3B
THREAD QUANTITY PER INCH	12
MATERIAL	STEEL COMP 1020 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 6

2117303Reference document

Same NSN cross-reference

Reference document — Secondary reference

1827X50Reference document

Same NSN cross-reference

Reference document — Secondary reference

12A7109Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

2763399Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

5310002763399Reference document

Same NSN cross-reference

Reference document — Informative reference only

261SP28Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 394749?

394749 is a NUT,PLAIN,OCTAGON.

What parts can replace 394749?

There are 6 known substitutes for 394749: 2117303, 1827X50, 12A7109 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 394749?

394749 is cataloged in the U.S. Government catalog under NSN 5310-00-276-3399. This indicates validated use in U.S. government and defense supply chains.

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394749 — NUT,PLAIN,OCTAGON

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