FN922-524 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

FN922-524: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL COMP 601 OR STEEL COMP H11 OVERALL, nut_style: DOUBLE HEXAGON, lubrication: SOLUBLE LUBRICANT, temp_rating: 900.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-228-9998, 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

FN922-524

NSN: 5310-01-228-9998
FSC: 5310 — Nuts and Washers
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)

SPECIFICATIONS

material	STEEL COMP 601 OR STEEL COMP H11 OVERALL
nut_style	DOUBLE HEXAGON
lubrication	SOLUBLE LUBRICANT
temp_rating	900.0 FAHRENHEIT MAXIMUM DEGF
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
overall_height	0.280 INCHES MAXIMUM IN
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
washer_thickness	0.040 INCHES MINIMUM IN
surface_treatment	NICKEL AND CADMIUM AND CHROMATE OVERALL
width_across_flats	0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
NSN	5310-01-228-9998

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: SOLUBLE LUBRICANT

•

WASHER OUTSIDE DIAMETER: 0.531 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

TEMP RATING: 900.0 FAHRENHEIT MAXIMUM DEGF

•

WASHER THICKNESS: 0.040 INCHES MINIMUM IN

TECHNICAL CHARACTERISTICS

LUBRICATION	SOLUBLE LUBRICANT
OVERALL HEIGHT	0.280 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	0.531 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
TEMP RATING	900.0 FAHRENHEIT MAXIMUM DEGF
WASHER THICKNESS	0.040 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6304 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6485 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6487 ASSN STD 2ND MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND

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

GN511W5Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

H52197-5Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is FN922-524?

FN922-524 is a NUT,SELF-LOCKING,EXTENDED WASHER.

What parts can replace FN922-524?

There are 2 known substitutes for FN922-524: GN511W5, H52197-5. Substitute compatibility should be verified for your specific system.

What is the NSN for FN922-524?

FN922-524 is cataloged in the U.S. Government catalog under NSN 5310-01-228-9998. This indicates validated use in U.S. government and defense supply chains.

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FN922-524 — NUT,SELF-LOCKING,EXTENDED WASHER

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