WSI-4-70 — NUT,SELF-LOCKING,PLATE

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

WSI-4-70: NUT,SELF-LOCKING,PLATE.

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING LOCKING INSERT, nut_style: PLATE, nut_height: 0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN, nut_length: 0.995 INCHES MAXIMUM IN, plate_width: 0.406 INCHES MAXIMUM IN, thread_class: 2B. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-133-5838, 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

WSI-4-70

NSN: 5310-01-133-5838
FSC: 5310 — Nuts and Washers
CAGE: 04169 — ATLAS CORP WESTERN SKY INDUSTRIES DIV (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING LOCKING INSERT
nut_style	PLATE
nut_height	0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN
nut_length	0.995 INCHES MAXIMUM IN
plate_width	0.406 INCHES MAXIMUM IN
thread_class	2B
thread_series	UNF
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
plate_thickness	0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
surface_treatment	CHROMATE OVERALL EXCEPT INSERT
nominal_thread_size	0.190 INCHES IN
NSN	5310-01-133-5838

COMPONENT DIAGRAM

KEY FEATURES

•

PLATE THICKNESS: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN

•

NUT LENGTH: 0.995 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT

•

THREAD SERIES: UNF

•

PLATE WIDTH: 0.406 INCHES MAXIMUM IN

•

MOUNTING HOLE ARRANGEMENT STYLE: 2 HOLES

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS7245 ASSN STD SINGLE MATERIAL RESPONSE LOCKING INSERT

TECHNICAL CHARACTERISTICS

PLATE THICKNESS	0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
NUT LENGTH	0.995 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
THREAD SERIES	UNF
PLATE WIDTH	0.406 INCHES MAXIMUM IN
MOUNTING HOLE ARRANGEMENT STYLE	2 HOLES
MATERIAL DOCUMENT AND CLASSIFICATION	AMS7245 ASSN STD SINGLE MATERIAL RESPONSE LOCKING INSERT
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-A-12545,T6 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT
MOUNTING HOLE DIAMETER	0.093 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
THREAD DIRECTION	RIGHT-HAND

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 3

WSI-4-70DReference document

Same NSN cross-reference

Reference document — Design control — primary reference

ST4M134-3-70Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

10109687Reference document

Same NSN cross-reference

Reference document — Informative reference only

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 WSI-4-70?

WSI-4-70 is a NUT,SELF-LOCKING,PLATE.

What parts can replace WSI-4-70?

There are 3 known substitutes for WSI-4-70: WSI-4-70D, ST4M134-3-70, 10109687. Substitute compatibility should be verified for your specific system.

What is the NSN for WSI-4-70?

WSI-4-70 is cataloged in the U.S. Government catalog under NSN 5310-01-133-5838. This indicates validated use in U.S. government and defense supply chains.

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