W-249456 PIECE 153 — NUT,PLAIN,CASTELLATED,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

W-249456 PIECE 153: NUT,PLAIN,CASTELLATED,HEXAGON.

The NUT,PLAIN,CASTELLATED,HEXAGON is a the manufacturer industrial component. Key specifications include nut_style: CASTELLATED, HEXAGON, thread_class: 2B, thread_series: UNF, thread_direction: RIGHT-HAND, nominal_thread_size: 0.750 INCHES IN, bearing_surface_type: FLAT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-235-3172, 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

W-249456 PIECE 153

NSN: 5310-01-235-3172
FSC: 5310 — Nuts and Washers
CAGE: 88032 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)

SPECIFICATIONS

nut_style	CASTELLATED, HEXAGON
thread_class	2B
thread_series	UNF
thread_direction	RIGHT-HAND
nominal_thread_size	0.750 INCHES IN
bearing_surface_type	FLAT
thread_quantity_per_inch	16
material_document_and_classification	ASTM B164 NATIONAL SPEC SINGLE MATERIAL RESPONSE NUT
NSN	5310-01-235-3172

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD SERIES: UNF

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B164 NATIONAL SPEC SINGLE MATERIAL RESPONSE NUT

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.750 INCHES IN

•

NUT STYLE: CASTELLATED, HEXAGON

•

THREAD CLASS: 2B

•

THREAD QUANTITY PER INCH: 16

•

BEARING SURFACE TYPE: FLAT

TECHNICAL CHARACTERISTICS

THREAD SERIES	UNF
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B164 NATIONAL SPEC SINGLE MATERIAL RESPONSE NUT
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.750 INCHES IN
NUT STYLE	CASTELLATED, HEXAGON
THREAD CLASS	2B
THREAD QUANTITY PER INCH	16
BEARING SURFACE TYPE	FLAT

SUBSTITUTES & CROSS-REFERENCES 3

31A4-X-8Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

31A4-M-8Reference document

Same NSN cross-reference

Reference document — Secondary reference

31A4-X-8RHReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is W-249456 PIECE 153?

W-249456 PIECE 153 is a NUT,PLAIN,CASTELLATED,HEXAGON.

What parts can replace W-249456 PIECE 153?

There are 3 known substitutes for W-249456 PIECE 153: 31A4-X-8, 31A4-M-8, 31A4-X-8RH. Substitute compatibility should be verified for your specific system.

What is the NSN for W-249456 PIECE 153?

W-249456 PIECE 153 is cataloged in the U.S. Government catalog under NSN 5310-01-235-3172. This indicates validated use in U.S. government and defense supply chains.

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