4403550-26 — BOLT,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

4403550-26: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OVERALL, thread_class: 2A A, fastener_length: 1.250 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, nominal_thread_diameter: 0.375 INCHES IN, thread_quantity_per_inch: 16. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-446-9511, 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

4403550-26

NSN: 5306-01-446-9511
FSC: 5306 — Bolts
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)

SPECIFICATIONS

material	NICKEL ALLOY 400 OVERALL
thread_class	2A A
fastener_length	1.250 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
nominal_thread_diameter	0.375 INCHES IN
thread_quantity_per_inch	16
thread_series_designator	UNIFIED NATIONAL COARSE (UNC)
material_document_and_classification	QQ-N-281, CLASS A HF FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	5306-01-446-9511

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 1.250 INCHES NOMINAL IN

•

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

•

NOMINAL THREAD DIAMETER: 0.375 INCHES IN

•

THREAD DIRECTION: RIGHT-HAND

•

THREAD CLASS: 2A A

•

THREAD QUANTITY PER INCH: 16

•

MATERIAL: NICKEL ALLOY 400 OVERALL

•

THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	1.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281, CLASS A HF FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.375 INCHES IN
THREAD DIRECTION	RIGHT-HAND
THREAD CLASS	2A A
THREAD QUANTITY PER INCH	16
MATERIAL	NICKEL ALLOY 400 OVERALL
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

OTHER ITEMS IN FSC 5306 — Bolts

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

5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017

SUBSTITUTES & CROSS-REFERENCES 1

123-4403550 PIECE 26Reference 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 4403550-26?

4403550-26 is a BOLT,MACHINE.

What parts can replace 4403550-26?

There is 1 known substitute for 4403550-26: 123-4403550 PIECE 26. Substitute compatibility should be verified for your specific system.

What is the NSN for 4403550-26?

4403550-26 is cataloged in the U.S. Government catalog under NSN 5306-01-446-9511. This indicates validated use in U.S. government and defense supply chains.

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