U-256-0 — NUT,PLAIN,SPLINE

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

U-256-0: NUT,PLAIN,SPLINE.

The NUT,PLAIN,SPLINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, nut_height: 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN, nut_diameter: 0.156 INCHES NOMINAL IN, pilot_length: 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5310-00-409-9582, 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

U-256-0

NSN: 5310-00-409-9582
FSC: 5310 — Nuts and Washers
CAGE: 46384 — PENN ENGINEERING & MANUFACTURING CORP (USA)

SPECIFICATIONS

material	STEEL COMP 303 OVERALL
nut_height	0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
nut_diameter	0.156 INCHES NOMINAL IN
pilot_length	0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
thread_class	3B
thread_series	UNIFIED NATIONAL COARSE (UNC)
pilot_diameter	0.104 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
nominal_thread_size	0.086 INCHES IN
thread_quantity_per_inch	56
material_document_and_classification	66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-00-409-9582

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.086 INCHES IN

•

NUT DIAMETER: 0.156 INCHES NOMINAL IN

•

PILOT DIAMETER: 0.104 INCHES MAXIMUM IN

•

PILOT LENGTH: 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN

•

NUT HEIGHT: 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.086 INCHES IN
NUT DIAMETER	0.156 INCHES NOMINAL IN
PILOT DIAMETER	0.104 INCHES MAXIMUM IN
PILOT LENGTH	0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
NUT HEIGHT	0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	3B

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

10121373Reference document

Same NSN cross-reference

Reference document — Informative reference only

317962-5Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is U-256-0?

U-256-0 is a NUT,PLAIN,SPLINE.

What parts can replace U-256-0?

There are 2 known substitutes for U-256-0: 10121373, 317962-5. Substitute compatibility should be verified for your specific system.

What is the NSN for U-256-0?

U-256-0 is cataloged in the U.S. Government catalog under NSN 5310-00-409-9582. This indicates validated use in U.S. government and defense supply chains.

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