MIL-S-63540/4-7 — STUD,SELF-LOCKING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

MIL-S-63540/4-7: STUD,SELF-LOCKING.

The STUD,SELF-LOCKING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303SE OR STEEL COMP 303, head_length: 0.075 INCHES MAXIMUM IN, thread_class: 2A NUT THREAD A, head_diameter: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, thread_length: 0.376 INCHES NOMINAL NUT THREAD IN, overall_length: 0.438 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-325-1406, 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

MIL-S-63540/4-7

NSN: 5307-01-325-1406
FSC: 5307 — Studs
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

material	STEEL COMP 303SE OR STEEL COMP 303
head_length	0.075 INCHES MAXIMUM IN
thread_class	2A NUT THREAD A
head_diameter	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
thread_length	0.376 INCHES NOMINAL NUT THREAD IN
overall_length	0.438 INCHES NOMINAL IN
locking_feature	SELF-CLINCHING HEAD
style_designator	SELF-LOCKING
thread_direction	RIGHT-HAND NUT THREAD
surface_treatment	PASSIVATE OVERALL
head_minor_diameter	0.212 INCHES MAXIMUM IN
nominal_thread_size	0.138 INCHES NUT THREAD IN
NSN	5307-01-325-1406

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.376 INCHES NOMINAL NUT THREAD IN

•

STYLE DESIGNATOR: SELF-LOCKING

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A493 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE

•

THREAD DIRECTION: RIGHT-HAND NUT THREAD

•

NOMINAL THREAD SIZE: 0.138 INCHES NUT THREAD IN

•

HEAD LENGTH: 0.075 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.376 INCHES NOMINAL NUT THREAD IN
STYLE DESIGNATOR	SELF-LOCKING
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A493 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE
OVERALL LENGTH	0.438 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE	0.138 INCHES NUT THREAD IN
HEAD LENGTH	0.075 INCHES MAXIMUM IN
HEAD MINOR DIAMETER	0.212 INCHES MAXIMUM IN
LOCKING FEATURE	SELF-CLINCHING HEAD

OTHER ITEMS IN FSC 5307 — Studs

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

5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625

SUBSTITUTES & CROSS-REFERENCES 2

M63540/4-7Reference document

Same NSN cross-reference

Reference document — Secondary reference

502676-0007Same 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 MIL-S-63540/4-7?

MIL-S-63540/4-7 is a STUD,SELF-LOCKING.

What parts can replace MIL-S-63540/4-7?

There are 2 known substitutes for MIL-S-63540/4-7: M63540/4-7, 502676-0007. Substitute compatibility should be verified for your specific system.

What is the NSN for MIL-S-63540/4-7?

MIL-S-63540/4-7 is cataloged in the U.S. Government catalog under NSN 5307-01-325-1406. This indicates validated use in U.S. government and defense supply chains.

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