21NE058 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

21NE058: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1212 NUT, nut_style: HEXAGON, nut_height: 0.329 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNJC. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-017-5121, 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

21NE058

NSN: 5310-00-017-5121
FSC: 5310 — Nuts and Washers
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)

SPECIFICATIONS

material	STEEL COMP 1212 NUT
nut_style	HEXAGON
nut_height	0.329 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
temp_rating	250.0 FAHRENHEIT NOMINAL DEGF
thread_class	3B
thread_series	UNJC
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
surface_treatment	ZINC OVERALL EXCEPT INSERT
width_across_flats	0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
nominal_thread_size	0.313 INCHES IN
bearing_surface_type	CHAMFERED
NSN	5310-00-017-5121

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN

•

BEARING SURFACE FINISH: 125.0 MICROINCHES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT

•

THREAD SERIES: UNJC

•

TEMP RATING: 250.0 FAHRENHEIT NOMINAL DEGF

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-M-20693 MIL SPEC ALL MATERIAL RESPONSES LOCKING INSERT

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
BEARING SURFACE FINISH	125.0 MICROINCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
THREAD SERIES	UNJC
TEMP RATING	250.0 FAHRENHEIT NOMINAL DEGF
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-M-20693 MIL SPEC ALL MATERIAL RESPONSES LOCKING INSERT
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5010 ASSN STD SINGLE MATERIAL RESPONSE NUT
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.313 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN

SUBSTITUTES & CROSS-REFERENCES 4

804412Reference document

Same NSN cross-reference

Reference document — Secondary reference

2533408PC14Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

SN-5Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

131-69Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 21NE058?

21NE058 is a NUT,SELF-LOCKING,HEXAGON.

What parts can replace 21NE058?

There are 4 known substitutes for 21NE058: 804412, 2533408PC14, SN-5 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 21NE058?

21NE058 is cataloged in the U.S. Government catalog under NSN 5310-00-017-5121. This indicates validated use in U.S. government and defense supply chains.

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21NE058 — NUT,SELF-LOCKING,HEXAGON

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