KFN530C4 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

KFN530C4: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL COMP 8740 OVERALL, nut_style: HEXAGON, lubrication: DRY FILM LUBRICANT, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.

Government catalog under NSN 5310-00-326-4918, 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

KFN530C4

NSN: 5310-00-326-4918
FSC: 5310 — Nuts and Washers
CAGE: 15653 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)

SPECIFICATIONS

material	STEEL COMP 8740 OVERALL
nut_style	HEXAGON
lubrication	DRY FILM LUBRICANT
temp_rating	450.0 FAHRENHEIT NOMINAL DEGF
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
overall_height	0.230 INCHES MAXIMUM IN
hardness_rating	39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM OVERALL
width_across_flats	0.274 INCHES MINIMUM AND 0.284 INCHES MAXIMUM IN
NSN	5310-00-326-4918

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: DRY FILM LUBRICANT

•

WASHER OUTSIDE DIAMETER: 0.425 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 0.274 INCHES MINIMUM AND 0.284 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: 450.0 FAHRENHEIT NOMINAL DEGF

•

HARDNESS RATING: 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM

TECHNICAL CHARACTERISTICS

LUBRICATION	DRY FILM LUBRICANT
OVERALL HEIGHT	0.230 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	0.425 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	0.274 INCHES MINIMUM AND 0.284 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	450.0 FAHRENHEIT NOMINAL DEGF
HARDNESS RATING	39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NUT COUNTERBORE DEPTH	0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM NUT 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

202-16117-4Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

H530C4Reference 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

Ready to buy KFN530C4?

Compare prices from verified sellers on eBay

Buy on eBay →

As an eBay Partner, PartsTable may earn a commission. Your price is not affected.

FREQUENTLY ASKED QUESTIONS

What is KFN530C4?

KFN530C4 is a NUT,SELF-LOCKING,EXTENDED WASHER.

What parts can replace KFN530C4?

There are 2 known substitutes for KFN530C4: 202-16117-4, H530C4. Substitute compatibility should be verified for your specific system.

What is the NSN for KFN530C4?

KFN530C4 is cataloged in the U.S. Government catalog under NSN 5310-00-326-4918. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

KFN530C4 — NUT,SELF-LOCKING,EXTENDED WASHER

Request a Quote — KFN530C4