S-4271 — NUT,SELF-LOCKING,ROUND

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

S-4271: NUT,SELF-LOCKING,ROUND.

The NUT,SELF-LOCKING,ROUND is a the manufacturer industrial component. Key specifications include nut_style: ROUND, nut_diameter: 0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN, thread_class: 2B, nut_thickness: 0.375 INCHES NOMINAL IN, thread_series: UNIFIED NATIONAL COARSE (UNC), locking_feature: PREVAILING TORQUE WITH NONMETALLIC INSERT. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-735-6800, 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

S-4271

NSN: 5310-00-735-6800
FSC: 5310 — Nuts and Washers
CAGE: 26233 — NYLOK LLC (USA)

SPECIFICATIONS

material	COPPER ALLOY 230 OR COPPER ALLOY 240 OR COPPER ALLOY 260 OR COPPER ALLOY 268 OR COPPER ALLOY 342 OR COPPER ALLOY 353 OR COPPER ALLOY 360 OR COPPER ALLOY 377 OVERALL EXCEPT INSERT
nut_style	ROUND
nut_diameter	0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN
thread_class	2B
nut_thickness	0.375 INCHES NOMINAL IN
thread_series	UNIFIED NATIONAL COARSE (UNC)
locking_feature	PREVAILING TORQUE WITH NONMETALLIC INSERT
thread_direction	RIGHT-HAND
drive_point_depth	0.062 INCHES NOMINAL IN
drive_point_width	0.046 INCHES NOMINAL IN
nominal_thread_size	0.138 INCHES IN
drive_point_quantity	2
NSN	5310-00-735-6800

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-17091,TY 1 MIL SPEC 2ND MATERIAL RESPONSE LOCKING INSERT

•

DRIVE POINT WIDTH: 0.046 INCHES NOMINAL IN

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.138 INCHES IN

•

NUT DIAMETER: 0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN

•

DRIVE POINT DEPTH: 0.062 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-P-17091,TY 1 MIL SPEC 2ND MATERIAL RESPONSE LOCKING INSERT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-B-626 FED SPEC 1ST MATERIAL RESPONSE OVERALL EXCEPT INSERT
DRIVE POINT WIDTH	0.046 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.138 INCHES IN
NUT DIAMETER	0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN
DRIVE POINT DEPTH	0.062 INCHES NOMINAL IN
LOCKING FEATURE	PREVAILING TORQUE WITH NONMETALLIC INSERT
NUT THICKNESS	0.375 INCHES NOMINAL IN

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 1

1601157Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is S-4271?

S-4271 is a NUT,SELF-LOCKING,ROUND.

What parts can replace S-4271?

There is 1 known substitute for S-4271: 1601157. Substitute compatibility should be verified for your specific system.

What is the NSN for S-4271?

S-4271 is cataloged in the U.S. Government catalog under NSN 5310-00-735-6800. This indicates validated use in U.S. government and defense supply chains.

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S-4271 — NUT,SELF-LOCKING,ROUND

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