6744241-16 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

6744241-16: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OVERALL, nut_style: HEXAGON, nut_height: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, temp_rating: 80.0 FAHRENHEIT NOMINAL DEGF, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-443-8060, 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

6744241-16

NSN: 5310-01-443-8060
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	NICKEL ALLOY 400 OVERALL
nut_style	HEXAGON
nut_height	0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
temp_rating	80.0 FAHRENHEIT NOMINAL DEGF
thread_class	2B
thread_series	UNIFIED NATIONAL COARSE (UNC)
hardness_rating	80.0 ROCKWELL B NOMINAL
locking_feature	PREVAILING TORQUE WITH NONMETALLIC INSERT
thread_direction	RIGHT-HAND
width_across_flats	0.492 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN
nominal_thread_size	0.250 INCHES IN
bearing_surface_type	WASHER FACED
NSN	5310-01-443-8060

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.492 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

TEMP RATING: 80.0 FAHRENHEIT NOMINAL DEGF

•

HARDNESS RATING: 80.0 ROCKWELL B NOMINAL

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281, CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.250 INCHES IN

•

SPECIFICATION/STANDARD DATA: 81349-MIL-N-25027/1-4C GOVERNMENT SPECIFICATION

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.492 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN
THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
TEMP RATING	80.0 FAHRENHEIT NOMINAL DEGF
HARDNESS RATING	80.0 ROCKWELL B NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281, CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.250 INCHES IN
SPECIFICATION/STANDARD DATA	81349-MIL-N-25027/1-4C GOVERNMENT SPECIFICATION
LOCKING FEATURE	PREVAILING TORQUE WITH NONMETALLIC INSERT
NUT HEIGHT	0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM 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 1

M8830016Reference 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

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FREQUENTLY ASKED QUESTIONS

What is 6744241-16?

6744241-16 is a NUT,SELF-LOCKING,HEXAGON.

What parts can replace 6744241-16?

There is 1 known substitute for 6744241-16: M8830016. Substitute compatibility should be verified for your specific system.

What is the NSN for 6744241-16?

6744241-16 is cataloged in the U.S. Government catalog under NSN 5310-01-443-8060. This indicates validated use in U.S. government and defense supply chains.

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6744241-16 — NUT,SELF-LOCKING,HEXAGON

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