WSLH10-4 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

WSLH10-4: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL OVERALL, nut_style: DOUBLE HEXAGON, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.307 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-137-5736, 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

WSLH10-4

NSN: 5310-01-137-5736
FSC: 5310 — Nuts and Washers
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)

SPECIFICATIONS

material	STEEL OVERALL
nut_style	DOUBLE HEXAGON
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
overall_height	0.307 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
washer_thickness	0.015 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN
width_across_flats	0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
nominal_thread_size	0.250 INCHES IN
washer_outside_diameter	0.515 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN
thread_quantity_per_inch	28
material_document_and_classification	AMS 5709 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-01-137-5736

COMPONENT DIAGRAM

KEY FEATURES

•

WASHER OUTSIDE DIAMETER: 0.515 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

WASHER THICKNESS: 0.015 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5709 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.250 INCHES IN

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.307 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	0.515 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
WASHER THICKNESS	0.015 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5709 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.250 INCHES IN
NUT STYLE	DOUBLE HEXAGON
THREAD CLASS	3B

SUBSTITUTES & CROSS-REFERENCES 5

4076T14P01Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

GN512B4-331Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

2528B331Reference document

Same NSN cross-reference

Reference document — Secondary reference

M52021-4Reference document

Same NSN cross-reference

Reference document — Secondary reference

4076T1P01Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is WSLH10-4?

WSLH10-4 is a NUT,SELF-LOCKING,EXTENDED WASHER.

What parts can replace WSLH10-4?

There are 5 known substitutes for WSLH10-4: 4076T14P01, GN512B4-331, 2528B331 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for WSLH10-4?

WSLH10-4 is cataloged in the U.S. Government catalog under NSN 5310-01-137-5736. This indicates validated use in U.S. government and defense supply chains.

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