637-6931-001 — NUT,PLAIN,ROUND

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

637-6931-001: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OR STEEL COMP 304 OVERALL, nut_style: ROUND, nut_diameter: 0.281 INCHES NOMINAL IN, thread_class: 2B, nut_thickness: 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-377-3705, 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

637-6931-001

NSN: 5310-01-377-3705
FSC: 5310 — Nuts and Washers
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)

SPECIFICATIONS

material	STEEL COMP 303 OR STEEL COMP 304 OVERALL
nut_style	ROUND
nut_diameter	0.281 INCHES NOMINAL IN
thread_class	2B
nut_thickness	0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
thread_series	UNIFIED NATIONAL COARSE (UNC)
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
nominal_thread_size	0.164 INCHES IN
thread_quantity_per_inch	32
material_document_and_classification	ASTM A582 CONDTN A ASSN STD 1ST MATERIAL RESPONSE OR QQ-S-766 CONDTN A FED SPEC 2ND MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-01-377-3705

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 CONDTN A ASSN STD 1ST MATERIAL RESPONSE OR QQ-S-766 CONDTN A FED SPEC 2ND MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.164 INCHES IN

•

NUT DIAMETER: 0.281 INCHES NOMINAL IN

•

NUT THICKNESS: 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN

•

SURFACE TREATMENT: PASSIVATE OVERALL

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 CONDTN A ASSN STD 1ST MATERIAL RESPONSE OR QQ-S-766 CONDTN A FED SPEC 2ND MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.164 INCHES IN
NUT DIAMETER	0.281 INCHES NOMINAL IN
NUT THICKNESS	0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
SURFACE TREATMENT	PASSIVATE OVERALL
NUT STYLE	ROUND
THREAD CLASS	2B

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

No substitute or cross-reference records for this part.

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 637-6931-001?

637-6931-001 is a NUT,PLAIN,ROUND.

What is the NSN for 637-6931-001?

637-6931-001 is cataloged in the U.S. Government catalog under NSN 5310-01-377-3705. This indicates validated use in U.S. government and defense supply chains.

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637-6931-001 — NUT,PLAIN,ROUND

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