KFN542-06 — NUT,SELF-LOCKING,ASSEMBLED WASHE

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

KFN542-06: NUT,SELF-LOCKING,ASSEMBLED WASHE.

NUT,SELF-LOCKING,ASSEMBLED WASHE. Key specifications include material: STEEL COMP 8740 OR STEEL COMP 4340 OR STEEL COMP 4140 NUT, nut_style: FLAT WITH TURNED UP EDGE, temp_rating: 450.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B, thread_series: UNJC, overall_height: 0.200 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-326-4325, 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

KFN542-06

NSN: 5310-01-326-4325
FSC: 5310 — Nuts and Washers
CAGE: 15653 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)

SPECIFICATIONS

material	STEEL COMP 8740 OR STEEL COMP 4340 OR STEEL COMP 4140 NUT
nut_style	FLAT WITH TURNED UP EDGE
temp_rating	450.0 FAHRENHEIT MAXIMUM DEGF
thread_class	3B
thread_series	UNJC
overall_height	0.200 INCHES MAXIMUM IN
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM AND CHROMATE OVERALL
width_across_flats	0.181 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN
nominal_thread_size	0.138 INCHES IN
counterbore_diameter	0.171 INCHES MINIMUM AND 0.176 INCHES MAXIMUM BASE IN
NSN	5310-01-326-4325

COMPONENT DIAGRAM

KEY FEATURES

•

WASHER OUTSIDE DIAMETER: 0.320 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 0.181 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNJC

•

TEMP RATING: 450.0 FAHRENHEIT MAXIMUM DEGF

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 3RD MATERIAL RESPONSE NUT

•

NUT COUNTERBORE DEPTH: 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM BASE IN

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.200 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	0.320 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	0.181 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNJC
TEMP RATING	450.0 FAHRENHEIT MAXIMUM DEGF
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 3RD MATERIAL RESPONSE NUT
NUT COUNTERBORE DEPTH	0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM BASE IN
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.138 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

No substitute or cross-reference records for this part.

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 KFN542-06?

KFN542-06 is a NUT,SELF-LOCKING,ASSEMBLED WASHE.

What is the NSN for KFN542-06?

KFN542-06 is cataloged in the U.S. Government catalog under NSN 5310-01-326-4325. This indicates validated use in U.S. government and defense supply chains.

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KFN542-06 — NUT,SELF-LOCKING,ASSEMBLED WASHE

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