642-1256-001 — NUT,PLAIN,ROUND

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

642-1256-001: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, nut_style: ROUND, nut_diameter: 0.562 INCHES NOMINAL IN, thread_class: 2B, nut_thickness: 0.500 INCHES NOMINAL IN, thread_series: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-167-6328, 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

642-1256-001

NSN: 5310-01-167-6328
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 OVERALL
nut_style	ROUND
nut_diameter	0.562 INCHES NOMINAL IN
thread_class	2B
nut_thickness	0.500 INCHES NOMINAL IN
thread_series	UNF
thread_direction	RIGHT-HAND
countersink_angle	80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM FIRST END
surface_treatment	PASSIVATE OVERALL
nominal_thread_size	0.312 INCHES IN
counterbore_diameter	0.328 INCHES NOMINAL FIRST END IN
nut_counterbore_depth	0.300 INCHES NOMINAL FIRST END IN
NSN	5310-01-167-6328

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 580-0025-000,FSCM 13499 MFR REF SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNF

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NUT COUNTERBORE DEPTH: 0.300 INCHES NOMINAL FIRST END IN

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.312 INCHES IN

•

NUT DIAMETER: 0.562 INCHES NOMINAL IN

•

COUNTERBORE DIAMETER: 0.328 INCHES NOMINAL FIRST END IN

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	580-0025-000,FSCM 13499 MFR REF SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNF
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NUT COUNTERBORE DEPTH	0.300 INCHES NOMINAL FIRST END IN
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.312 INCHES IN
NUT DIAMETER	0.562 INCHES NOMINAL IN
COUNTERBORE DIAMETER	0.328 INCHES NOMINAL FIRST END IN
NUT THICKNESS	0.500 INCHES NOMINAL IN
SURFACE TREATMENT	PASSIVATE 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

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 642-1256-001?

642-1256-001 is a NUT,PLAIN,ROUND.

What is the NSN for 642-1256-001?

642-1256-001 is cataloged in the U.S. Government catalog under NSN 5310-01-167-6328. This indicates validated use in U.S. government and defense supply chains.

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642-1256-001 — NUT,PLAIN,ROUND

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