NT781 — NUT,PLAIN,SQUARE

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

NT781: NUT,PLAIN,SQUARE.

The NUT,PLAIN,SQUARE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 268 OVERALL, nut_style: SQUARE, nut_height: 0.062 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 5310-00-616-8352, 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

NT781

NSN: 5310-00-616-8352
FSC: 5310 — Nuts and Washers
CAGE: 80249 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. (USA)

SPECIFICATIONS

material	COPPER ALLOY 268 OVERALL
nut_style	SQUARE
nut_height	0.062 INCHES NOMINAL IN
thread_class	2B
thread_series	UNIFIED NATIONAL COARSE (UNC)
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM OVERALL
width_across_flats	0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
nominal_thread_size	0.086 INCHES IN
bearing_surface_type	FLAT
thread_quantity_per_inch	56
material_document_and_classification	QQ-B-62LCOMP 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-00-616-8352

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-62LCOMP 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.086 INCHES IN

•

NUT HEIGHT: 0.062 INCHES NOMINAL IN

•

SURFACE TREATMENT: CADMIUM OVERALL

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-B-62LCOMP 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.086 INCHES IN
NUT HEIGHT	0.062 INCHES NOMINAL IN
SURFACE TREATMENT	CADMIUM OVERALL
NUT STYLE	SQUARE
THREAD CLASS	2B

SUBSTITUTES & CROSS-REFERENCES 3

660108Reference document

Same NSN cross-reference

Reference document — Secondary reference

02P236673Reference document

Same NSN cross-reference

Reference document — Secondary reference

5800332-1320-011Same 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 NT781?

NT781 is a NUT,PLAIN,SQUARE.

What parts can replace NT781?

There are 3 known substitutes for NT781: 660108, 02P236673, 5800332-1320-011. Substitute compatibility should be verified for your specific system.

What is the NSN for NT781?

NT781 is cataloged in the U.S. Government catalog under NSN 5310-00-616-8352. This indicates validated use in U.S. government and defense supply chains.

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