21C1592-24 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

21C1592-24: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL COMP 1137 OVERALL, nut_style: DOUBLE HEXAGON, temp_rating: 400.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.314 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-913-2735, 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

21C1592-24

NSN: 5310-00-913-2735
FSC: 5310 — Nuts and Washers
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)

SPECIFICATIONS

material	STEEL COMP 1137 OVERALL
nut_style	DOUBLE HEXAGON
temp_rating	400.0 FAHRENHEIT NOMINAL DEGF
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
overall_height	0.314 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
washer_thickness	0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
surface_treatment	CADMIUM OVERALL
width_across_flats	0.367 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
nominal_thread_size	0.250 INCHES IN
NSN	5310-00-913-2735

COMPONENT DIAGRAM

KEY FEATURES

•

WASHER OUTSIDE DIAMETER: 0.428 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 0.367 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

TEMP RATING: 400.0 FAHRENHEIT NOMINAL DEGF

•

WASHER THICKNESS: 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5024 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.314 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	0.428 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	0.367 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
TEMP RATING	400.0 FAHRENHEIT NOMINAL DEGF
WASHER THICKNESS	0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5024 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.250 INCHES IN

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

52Z6284-0Reference document

Same NSN cross-reference

Reference document — Secondary reference

R1185P004BReference 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 21C1592-24?

21C1592-24 is a NUT,SELF-LOCKING,EXTENDED WASHER.

What parts can replace 21C1592-24?

There are 2 known substitutes for 21C1592-24: 52Z6284-0, R1185P004B. Substitute compatibility should be verified for your specific system.

What is the NSN for 21C1592-24?

21C1592-24 is cataloged in the U.S. Government catalog under NSN 5310-00-913-2735. This indicates validated use in U.S. government and defense supply chains.

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