KF2-256-C — NUT,PLAIN,SPLINE

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

KF2-256-C: NUT,PLAIN,SPLINE.

The NUT,PLAIN,SPLINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1213 OVERALL, nut_style: SPLINE, nut_height: 0.109 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN, nut_diameter: 0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN, pilot_length: 0.057 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN, thread_class: 2B. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-083-6474, 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

KF2-256-C

NSN: 5310-01-083-6474
FSC: 5310 — Nuts and Washers
CAGE: 46384 — PENN ENGINEERING & MANUFACTURING CORP (USA)

SPECIFICATIONS

material	STEEL COMP 1213 OVERALL
nut_style	SPLINE
nut_height	0.109 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN
nut_diameter	0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
pilot_length	0.057 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
thread_class	2B
thread_series	UNIFIED NATIONAL COARSE (UNC)
pilot_diameter	0.224 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM AND CHROMATE OVERALL
nominal_thread_size	0.138 INCHES IN
thread_quantity_per_inch	32
NSN	5310-01-083-6474

COMPONENT DIAGRAM

KEY FEATURES

•

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

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.138 INCHES IN

•

NUT DIAMETER: 0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN

•

PILOT DIAMETER: 0.224 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN

•

PILOT LENGTH: 0.057 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.138 INCHES IN
NUT DIAMETER	0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
PILOT DIAMETER	0.224 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
PILOT LENGTH	0.057 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
NUT HEIGHT	0.109 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL

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 1

642AS2530-4Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is KF2-256-C?

KF2-256-C is a NUT,PLAIN,SPLINE.

What parts can replace KF2-256-C?

There is 1 known substitute for KF2-256-C: 642AS2530-4. Substitute compatibility should be verified for your specific system.

What is the NSN for KF2-256-C?

KF2-256-C is cataloged in the U.S. Government catalog under NSN 5310-01-083-6474. This indicates validated use in U.S. government and defense supply chains.

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