C9537-4-4 — BOLT,INTERNAL WRENCHING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

C9537-4-4: BOLT,INTERNAL WRENCHING.

The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, thread_class: 3A A, thread_length: 0.520 INCHES NOMINAL IN, fastener_length: 1.017 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-056-6522, 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

C9537-4-4

NSN: 5306-01-056-6522
FSC: 5306 — Bolts
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)

SPECIFICATIONS

material	STEEL COMP 4140 OVERALL
thread_class	3A A
thread_length	0.520 INCHES NOMINAL IN
fastener_length	1.017 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM OVERALL
width_across_flats	0.140 INCHES NOMINAL IN
internal_drive_style	HEXAGON
nominal_thread_diameter	0.250 INCHES IN
minimum_tensile_strength	180000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch	28
thread_series_designator	UNF
NSN	5306-01-056-6522

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.140 INCHES NOMINAL IN

•

FASTENER LENGTH: 1.017 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.520 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

THREAD DIRECTION: RIGHT-HAND

•

SURFACE TREATMENT: CADMIUM OVERALL

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.140 INCHES NOMINAL IN
FASTENER LENGTH	1.017 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.520 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN
THREAD DIRECTION	RIGHT-HAND
SURFACE TREATMENT	CADMIUM OVERALL
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLE	HEXAGON

SUBSTITUTES & CROSS-REFERENCES 5

5306PL1635667Reference document

Same NSN cross-reference

Reference document — Informative reference only

CA21037-4-4HSSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

120000-4-4Reference document

Same NSN cross-reference

Reference document — Secondary reference

5306PL0894743Reference document

Same NSN cross-reference

Reference document — Informative reference only

5306PL1635673Reference document

Same NSN cross-reference

Reference document — Informative 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 C9537-4-4?

C9537-4-4 is a BOLT,INTERNAL WRENCHING.

What parts can replace C9537-4-4?

There are 5 known substitutes for C9537-4-4: 5306PL1635667, CA21037-4-4HS, 120000-4-4 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for C9537-4-4?

C9537-4-4 is cataloged in the U.S. Government catalog under NSN 5306-01-056-6522. This indicates validated use in U.S. government and defense supply chains.

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