DF330633 FN 4 — NUT,PLAIN,ROUND

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

DF330633 FN 4: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, thread_class: 2A A, thread_series: UN, nominal_thread_size: 2.500 INCHES IN, supplementary_features: NUT,STEM RETAINING, thread_quantity_per_inch: 16. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-423-3147, 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

DF330633 FN 4

NSN: 5310-01-423-3147
FSC: 5310 — Nuts and Washers
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)

SPECIFICATIONS

material	COPPER ALLOY OVERALL
thread_class	2A A
thread_series	UN
nominal_thread_size	2.500 INCHES IN
supplementary_features	NUT,STEM RETAINING
thread_quantity_per_inch	16
material_document_and_classification	QQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-01-423-3147

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD SERIES: UN

•

SUPPLEMENTARY FEATURES: NUT,STEM RETAINING

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD SIZE: 2.500 INCHES IN

•

THREAD CLASS: 2A A

•

THREAD QUANTITY PER INCH: 16

•

MATERIAL: COPPER ALLOY OVERALL

TECHNICAL CHARACTERISTICS

THREAD SERIES	UN
SUPPLEMENTARY FEATURES	NUT,STEM RETAINING
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE	2.500 INCHES IN
THREAD CLASS	2A A
THREAD QUANTITY PER INCH	16
MATERIAL	COPPER 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 3

6404929 FN 4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

801-6404929 FIND 4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

6404929 FN 4SSSame 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 DF330633 FN 4?

DF330633 FN 4 is a NUT,PLAIN,ROUND.

What parts can replace DF330633 FN 4?

There are 3 known substitutes for DF330633 FN 4: 6404929 FN 4, 801-6404929 FIND 4, 6404929 FN 4SS. Substitute compatibility should be verified for your specific system.

What is the NSN for DF330633 FN 4?

DF330633 FN 4 is cataloged in the U.S. Government catalog under NSN 5310-01-423-3147. This indicates validated use in U.S. government and defense supply chains.

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