FN403574 — NUT,SELF-LOCKING,ASSEMBLED WASHE

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

FN403574: NUT,SELF-LOCKING,ASSEMBLED WASHE.

NUT,SELF-LOCKING,ASSEMBLED WASHE. Key specifications include material: STEEL OVERALL, nut_style: FLAT WITH TURNED UP EDGE, lubrication: DRY FILM LUBRICANT, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNJC. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-498-7058, 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

FN403574

NSN: 5310-00-498-7058
FSC: 5310 — Nuts and Washers
CAGE: K1057 — INVISIO COMMUNICATIONS LTD (GBR)

SPECIFICATIONS

material	STEEL OVERALL
nut_style	FLAT WITH TURNED UP EDGE
lubrication	DRY FILM LUBRICANT
temp_rating	450.0 FAHRENHEIT NOMINAL DEGF
thread_class	3B
thread_series	UNJC
overall_height	0.148 INCHES NOMINAL IN
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM OVERALL
width_across_flats	0.123 INCHES NOMINAL IN
nominal_thread_size	0.112 INCHES IN
NSN	5310-00-498-7058

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: DRY FILM LUBRICANT

•

WASHER OUTSIDE DIAMETER: 0.240 INCHES NOMINAL IN

•

WIDTH ACROSS FLATS: 0.123 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNJC

•

TEMP RATING: 450.0 FAHRENHEIT NOMINAL DEGF

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

LUBRICATION	DRY FILM LUBRICANT
OVERALL HEIGHT	0.148 INCHES NOMINAL IN
WASHER OUTSIDE DIAMETER	0.240 INCHES NOMINAL IN
WIDTH ACROSS FLATS	0.123 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNJC
TEMP RATING	450.0 FAHRENHEIT NOMINAL DEGF
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.112 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN

SUBSTITUTES & CROSS-REFERENCES 5

HW14-04Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

B99236/1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

250074-1Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

873763-00Reference document

Same NSN cross-reference

Reference document — Secondary reference

873763Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is FN403574?

FN403574 is a NUT,SELF-LOCKING,ASSEMBLED WASHE.

What parts can replace FN403574?

There are 5 known substitutes for FN403574: HW14-04, B99236/1, 250074-1 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for FN403574?

FN403574 is cataloged in the U.S. Government catalog under NSN 5310-00-498-7058. This indicates validated use in U.S. government and defense supply chains.

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FN403574 — NUT,SELF-LOCKING,ASSEMBLED WASHE

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