X18231 — NUT,PLAIN,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

X18231: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1038 OVERALL, nut_style: HEXAGON, nut_height: 0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNF, hardness_rating: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-208-9514, 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

X18231

NSN: 5310-00-208-9514
FSC: 5310 — Nuts and Washers
CAGE: 14351 — TELEDYNE CONTINENTAL MOTORS INDUSTRIAL PRODUCTS DIV TELEDYNE INDUSTRIES INC SUB OF TELEDYNE INC (USA)

SPECIFICATIONS

material	STEEL COMP 1038 OVERALL
nut_style	HEXAGON
nut_height	0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN
thread_class	3B
thread_series	UNF
hardness_rating	28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
thread_direction	RIGHT-HAND
width_across_flats	0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
nominal_thread_size	0.375 INCHES IN
bearing_surface_type	WASHER FACED
thread_quantity_per_inch	24
material_document_and_classification	SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-00-208-9514

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN

•

THREAD SERIES: UNF

•

HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM

•

MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.375 INCHES IN

•

NUT HEIGHT: 0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN

•

NUT STYLE: HEXAGON

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
THREAD SERIES	UNF
HARDNESS RATING	28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.375 INCHES IN
NUT HEIGHT	0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN
NUT STYLE	HEXAGON
THREAD CLASS	3B
THREAD QUANTITY PER INCH	24

SUBSTITUTES & CROSS-REFERENCES 1

12123Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is X18231?

X18231 is a NUT,PLAIN,HEXAGON.

What parts can replace X18231?

There is 1 known substitute for X18231: 12123. Substitute compatibility should be verified for your specific system.

What is the NSN for X18231?

X18231 is cataloged in the U.S. Government catalog under NSN 5310-00-208-9514. This indicates validated use in U.S. government and defense supply chains.

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X18231 — NUT,PLAIN,HEXAGON

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