4S-2-12 — STUD,SELF-LOCKING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

4S-2-12: STUD,SELF-LOCKING.

The STUD,SELF-LOCKING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 305, head_length: 0.062 INCHES NOMINAL IN, thread_class: 2A NUT THREAD A, head_diameter: 0.159 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN, thread_length: 0.375 INCHES NOMINAL NUT THREAD IN, overall_length: 0.438 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-011-3164, 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

4S-2-12

NSN: 5307-01-011-3164
FSC: 5307 — Studs
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)

SPECIFICATIONS

material	STEEL COMP 305
head_length	0.062 INCHES NOMINAL IN
thread_class	2A NUT THREAD A
head_diameter	0.159 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
thread_length	0.375 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
nominal_thread_size	0.112 INCHES NUT THREAD IN
distance_across_flats	0.188 INCHES NOMINAL IN
NSN	5307-01-011-3164

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD LENGTH: 0.375 INCHES NOMINAL NUT THREAD IN

•

STYLE DESIGNATOR: SELF-LOCKING

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE

•

THREAD DIRECTION: RIGHT-HAND NUT THREAD

•

NOMINAL THREAD SIZE: 0.112 INCHES NUT THREAD IN

•

HEAD LENGTH: 0.062 INCHES NOMINAL IN

•

LOCKING FEATURE: SELF-CLINCHING HEAD

TECHNICAL CHARACTERISTICS

THREAD LENGTH	0.375 INCHES NOMINAL NUT THREAD IN
STYLE DESIGNATOR	SELF-LOCKING
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH	0.438 INCHES NOMINAL IN
THREAD DIRECTION	RIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE	0.112 INCHES NUT THREAD IN
HEAD LENGTH	0.062 INCHES NOMINAL IN
LOCKING FEATURE	SELF-CLINCHING HEAD
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A NUT THREAD A

SUBSTITUTES & CROSS-REFERENCES 3

950278-4Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

70-846517-4Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

20574-4Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 4S-2-12?

4S-2-12 is a STUD,SELF-LOCKING.

What parts can replace 4S-2-12?

There are 3 known substitutes for 4S-2-12: 950278-4, 70-846517-4, 20574-4. Substitute compatibility should be verified for your specific system.

What is the NSN for 4S-2-12?

4S-2-12 is cataloged in the U.S. Government catalog under NSN 5307-01-011-3164. This indicates validated use in U.S. government and defense supply chains.

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