4403548 PIECE 9 — PIN,TAPERED,THREADED

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

4403548 PIECE 9: PIN,TAPERED,THREADED.

The PIN,TAPERED,THREADED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: COPPER ALLOY 510 OVERALL, thread_class: 3A A, thread_length: 0.375 INCHES NOMINAL IN, first_end_style: SQUARE, second_end_style: SQUARE INTERNALLY THREADED, style_designator: THREADED AT SMALL END. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-447-2696, 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

4403548 PIECE 9

NSN: 5315-01-447-2696
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)

SPECIFICATIONS

material	COPPER ALLOY 510 OVERALL
thread_class	3A A
thread_length	0.375 INCHES NOMINAL IN
first_end_style	SQUARE
second_end_style	SQUARE INTERNALLY THREADED
style_designator	THREADED AT SMALL END
thread_direction	RIGHT-HAND
first_end_location	LONG END
nominal_thread_size	0.375 INCHES IN
taper_major_diameter	0.625 INCHES NOMINAL IN
taper_minor_diameter	0.438 INCHES NOMINAL IN
thread_series_designator	UNIFIED NATIONAL COARSE (UNC)
NSN	5315-01-447-2696

COMPONENT DIAGRAM

KEY FEATURES

•

FIRST END LOCATION: LONG END

•

THREAD LENGTH: 0.375 INCHES NOMINAL IN

•

FIRST END STYLE: SQUARE

•

TAPER MINOR DIAMETER: 0.438 INCHES NOMINAL IN

•

STYLE DESIGNATOR: THREADED AT SMALL END

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-750, 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

TAPER MAJOR DIAMETER: 0.625 INCHES NOMINAL IN

•

SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL

TYPICAL APPLICATIONS

Long-term data archival and compliance retention
Offsite backup and disaster recovery
Air-gapped ransomware protection
Cold storage tier for infrequently accessed data

TECHNICAL CHARACTERISTICS

FIRST END LOCATION	LONG END
THREAD LENGTH	0.375 INCHES NOMINAL IN
FIRST END STYLE	SQUARE
TAPER MINOR DIAMETER	0.438 INCHES NOMINAL IN
STYLE DESIGNATOR	THREADED AT SMALL END
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-B-750, 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TAPER MAJOR DIAMETER	0.625 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST END	NOT IDENTICAL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.375 INCHES IN

OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602

SUBSTITUTES & CROSS-REFERENCES 1

123-4403548 PIECE 9Reference 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 4403548 PIECE 9?

4403548 PIECE 9 is a PIN,TAPERED,THREADED.

What parts can replace 4403548 PIECE 9?

There is 1 known substitute for 4403548 PIECE 9: 123-4403548 PIECE 9. Substitute compatibility should be verified for your specific system.

What is the NSN for 4403548 PIECE 9?

4403548 PIECE 9 is cataloged in the U.S. Government catalog under NSN 5315-01-447-2696. This indicates validated use in U.S. government and defense supply chains.

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