21353-37 — BOLT,INTERNAL WRENCHING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

21353-37: BOLT,INTERNAL WRENCHING.

The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 3A A, fastener_length: 6.438 INCHES NOMINAL IN, special_features: DRILLED HEAD, thread_direction: RIGHT-HAND, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-449-0780, 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

21353-37

NSN: 5306-01-449-0780
FSC: 5306 — Bolts
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)

SPECIFICATIONS

material	STEEL OVERALL
thread_class	3A A
fastener_length	6.438 INCHES NOMINAL IN
special_features	DRILLED HEAD
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM OVERALL
nominal_thread_diameter	0.500 INCHES IN
thread_quantity_per_inch	20
thread_series_designator	UNIFIED NATIONAL JOINT FINE (UNJF)
material_document_and_classification	MIL-B-7838 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification	QQ-P-416,TY2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	5306-01-449-0780

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 6.438 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-7838 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.500 INCHES IN

•

THREAD DIRECTION: RIGHT-HAND

•

SURFACE TREATMENT: CADMIUM OVERALL

•

THREAD CLASS: 3A A

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	6.438 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-B-7838 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.500 INCHES IN
THREAD DIRECTION	RIGHT-HAND
SPECIAL FEATURES	DRILLED HEAD
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	3A A
THREAD QUANTITY PER INCH	20
MATERIAL	STEEL OVERALL

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

21303 FIND 29Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 21353-37?

21353-37 is a BOLT,INTERNAL WRENCHING.

What parts can replace 21353-37?

There is 1 known substitute for 21353-37: 21303 FIND 29. Substitute compatibility should be verified for your specific system.

What is the NSN for 21353-37?

21353-37 is cataloged in the U.S. Government catalog under NSN 5306-01-449-0780. This indicates validated use in U.S. government and defense supply chains.

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21353-37 — BOLT,INTERNAL WRENCHING

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