91851A037 — NUT,PLAIN,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

91851A037: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, nut_style: HEXAGON, nut_height: 0.484 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-507-0376, 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

91851A037

NSN: 5310-01-507-0376
FSC: 5310 — Nuts and Washers
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)

SPECIFICATIONS

material	STEEL COMP 304 OVERALL
nut_style	HEXAGON
nut_height	0.484 INCHES NOMINAL IN
thread_class	2B
thread_series	UNIFIED NATIONAL COARSE (UNC)
thread_direction	RIGHT-HAND
width_across_flats	1.438 INCHES NOMINAL IN
nominal_thread_size	0.875 INCHES IN
thread_quantity_per_inch	9
material_document_and_classification	SAE-AMS-QQ-S-763, CLASS 304, COND A, ANNEALED ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agency	HEX HEAVY THIN (JAM) NUT
NSN	5310-01-507-0376

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 1.438 INCHES NOMINAL IN

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

MATERIAL DOCUMENT AND CLASSIFICATION: SAE-AMS-QQ-S-763, CLASS 304, COND A, ANNEALED ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.875 INCHES IN

•

NUT HEIGHT: 0.484 INCHES NOMINAL IN

•

NUT STYLE: HEXAGON

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	1.438 INCHES NOMINAL IN
THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATION	SAE-AMS-QQ-S-763, CLASS 304, COND A, ANNEALED ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.875 INCHES IN
NUT HEIGHT	0.484 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCY	HEX HEAVY THIN (JAM) NUT
NUT STYLE	HEXAGON
THREAD CLASS	2B
THREAD QUANTITY PER INCH	9

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

B18.2.2Reference document

Same NSN cross-reference

Reference document — Secondary reference

7/8-UNC-2B CRESSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 91851A037?

91851A037 is a NUT,PLAIN,HEXAGON.

What parts can replace 91851A037?

There are 2 known substitutes for 91851A037: B18.2.2, 7/8-UNC-2B CRES. Substitute compatibility should be verified for your specific system.

What is the NSN for 91851A037?

91851A037 is cataloged in the U.S. Government catalog under NSN 5310-01-507-0376. This indicates validated use in U.S. government and defense supply chains.

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