21NTE-066 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

21NTE-066: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON LOCKING INSERT, nut_style: HEXAGON, nut_height: 0.251 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN, temp_rating: 250.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B, thread_series: UNJC. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-066-5484, 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

21NTE-066

NSN: 5310-01-066-5484
FSC: 5310 — Nuts and Washers
CAGE: 019L2 — ESNA, LLC (USA)

SPECIFICATIONS

material	PLASTIC POLYAMIDE NYLON LOCKING INSERT
nut_style	HEXAGON
nut_height	0.251 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
temp_rating	250.0 FAHRENHEIT MAXIMUM DEGF
thread_class	3B
thread_series	UNJC
locking_feature	PREVAILING TORQUE WITH NONMETALLIC INSERT
thread_direction	RIGHT-HAND
surface_treatment	ZINC OVERALL EXCEPT INSERT
width_across_flats	0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
nominal_thread_size	0.375 INCHES IN
bearing_surface_type	CHAMFERED
NSN	5310-01-066-5484

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN

•

THREAD SERIES: UNJC

•

TEMP RATING: 250.0 FAHRENHEIT MAXIMUM DEGF

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.375 INCHES IN

•

LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT

•

NUT HEIGHT: 0.251 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN

•

SURFACE TREATMENT: ZINC OVERALL EXCEPT INSERT

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
THREAD SERIES	UNJC
TEMP RATING	250.0 FAHRENHEIT MAXIMUM DEGF
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.375 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE WITH NONMETALLIC INSERT
NUT HEIGHT	0.251 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
SURFACE TREATMENT	ZINC OVERALL EXCEPT INSERT
NUT STYLE	HEXAGON
THREAD CLASS	3B

SUBSTITUTES & CROSS-REFERENCES 3

64864AXSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

F21NTE-066Reference document

Same NSN cross-reference

Reference document — Secondary reference

10823-00265Reference document

Same NSN cross-reference

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

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 21NTE-066?

21NTE-066 is a NUT,SELF-LOCKING,HEXAGON.

What parts can replace 21NTE-066?

There are 3 known substitutes for 21NTE-066: 64864AX, F21NTE-066, 10823-00265. Substitute compatibility should be verified for your specific system.

What is the NSN for 21NTE-066?

21NTE-066 is cataloged in the U.S. Government catalog under NSN 5310-01-066-5484. This indicates validated use in U.S. government and defense supply chains.

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21NTE-066 — NUT,SELF-LOCKING,HEXAGON

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