09NC4-040 — NUT,SELF-LOCKING,CLINCH

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

09NC4-040: NUT,SELF-LOCKING,CLINCH.

The NUT,SELF-LOCKING,CLINCH is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND, nominal_thread_size: 0.250 INCHES IN, end_item_identification: VIRGINIA CLASS SSN; MAIN SHAFT SEAL WATER GUARD ASSY. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-509-5303, 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

09NC4-040

NSN: 5310-01-509-5303
FSC: 5310 — Nuts and Washers
CAGE: 019L2 — ESNA, LLC (USA)

SPECIFICATIONS

material	NICKEL ALLOY OVERALL
thread_class	3B
thread_series	UNIFIED NATIONAL COARSE (UNC)
thread_direction	RIGHT-HAND
nominal_thread_size	0.250 INCHES IN
end_item_identification	VIRGINIA CLASS SSN; MAIN SHAFT SEAL WATER GUARD ASSY
thread_quantity_per_inch	20
part_name_assigned_by_controlling_agency	NUT,SLFLKG, CLINCH HEX
NSN	5310-01-509-5303

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.250 INCHES IN

•

THREAD CLASS: 3B

•

THREAD QUANTITY PER INCH: 20

•

MATERIAL: NICKEL ALLOY OVERALL

TECHNICAL CHARACTERISTICS

THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.250 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCY	NUT,SLFLKG, CLINCH HEX
THREAD CLASS	3B
END ITEM IDENTIFICATION	VIRGINIA CLASS SSN; MAIN SHAFT SEAL WATER GUARD ASSY
THREAD QUANTITY PER INCH	20
MATERIAL	NICKEL ALLOY 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 2

H719-1009-27Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

243-6985896-27Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

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 09NC4-040?

09NC4-040 is a NUT,SELF-LOCKING,CLINCH.

What parts can replace 09NC4-040?

There are 2 known substitutes for 09NC4-040: H719-1009-27, 243-6985896-27. Substitute compatibility should be verified for your specific system.

What is the NSN for 09NC4-040?

09NC4-040 is cataloged in the U.S. Government catalog under NSN 5310-01-509-5303. This indicates validated use in U.S. government and defense supply chains.

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