40AW253 — NUT,PLAIN,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

40AW253: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, nut_style: HEXAGON, nut_height: 0.190 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNEF, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-191-5671, 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

40AW253

NSN: 5310-00-191-5671
FSC: 5310 — Nuts and Washers
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)

SPECIFICATIONS

material	COPPER ALLOY OVERALL
nut_style	HEXAGON
nut_height	0.190 INCHES NOMINAL IN
thread_class	2B
thread_series	UNEF
thread_direction	RIGHT-HAND
countersink_angle	90.0 DEGREES NOMINAL NUT
surface_treatment	ZINC OVERALL
width_across_flats	0.750 INCHES NOMINAL IN
nominal_thread_size	0.562 INCHES IN
bearing_surface_type	WASHER FACED
thread_quantity_per_inch	24
NSN	5310-00-191-5671

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.750 INCHES NOMINAL IN

•

THREAD SERIES: UNEF

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.562 INCHES IN

•

NUT HEIGHT: 0.190 INCHES NOMINAL IN

•

SURFACE TREATMENT: ZINC OVERALL

•

COUNTERSINK ANGLE: 90.0 DEGREES NOMINAL NUT

•

NUT STYLE: HEXAGON

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.750 INCHES NOMINAL IN
THREAD SERIES	UNEF
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.562 INCHES IN
NUT HEIGHT	0.190 INCHES NOMINAL IN
SURFACE TREATMENT	ZINC OVERALL
COUNTERSINK ANGLE	90.0 DEGREES NOMINAL NUT
NUT STYLE	HEXAGON
THREAD CLASS	2B
THREAD QUANTITY PER INCH	24

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 2

F1343INSReference document

Same NSN cross-reference

Reference document — Secondary reference

2AT829Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is 40AW253?

40AW253 is a NUT,PLAIN,HEXAGON.

What parts can replace 40AW253?

There are 2 known substitutes for 40AW253: F1343INS, 2AT829. Substitute compatibility should be verified for your specific system.

What is the NSN for 40AW253?

40AW253 is cataloged in the U.S. Government catalog under NSN 5310-00-191-5671. This indicates validated use in U.S. government and defense supply chains.

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40AW253 — NUT,PLAIN,HEXAGON

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