3M303A4-3 — STUD,TURNLOCK FASTENER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

3M303A4-3: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.358 INCHES NOMINAL IN, material: STEEL COMP 8740 OVERALL, drive_type: SOCKET, surface_treatment: CADMIUM AND CHROMATE OVERALL, securing_device_type: RING, turnlock_stud_head_style: FLAT COUNTERSUNK. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-406-5682, 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

3M303A4-3

NSN: 5325-00-406-5682
FSC: 5325 — Fastening Devices
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

diameter	0.358 INCHES NOMINAL IN
material	STEEL COMP 8740 OVERALL
drive_type	SOCKET
surface_treatment	CADMIUM AND CHROMATE OVERALL
securing_device_type	RING
turnlock_stud_head_style	FLAT COUNTERSUNK
stud_shank_major_diameter	0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
material_accommodated_thickness	0.187 INCHES NOMINAL IN
material_document_and_classification	AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification	QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	5325-00-406-5682

COMPONENT DIAGRAM

KEY FEATURES

•

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

•

DRIVE TYPE: SOCKET

•

MATERIAL ACCOMMODATED THICKNESS: 0.187 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

DIAMETER: 0.358 INCHES NOMINAL IN

•

SECURING DEVICE TYPE: RING

•

TURNLOCK STUD HEAD STYLE: FLAT COUNTERSUNK

•

STUD SHANK MAJOR DIAMETER: 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DRIVE TYPE	SOCKET
MATERIAL ACCOMMODATED THICKNESS	0.187 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER	0.358 INCHES NOMINAL IN
SECURING DEVICE TYPE	RING
TURNLOCK STUD HEAD STYLE	FLAT COUNTERSUNK
STUD SHANK MAJOR DIAMETER	0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
MATERIAL	STEEL COMP 8740 OVERALL

SUBSTITUTES & CROSS-REFERENCES 1

1926-4-3Reference 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 3M303A4-3?

3M303A4-3 is a STUD,TURNLOCK FASTENER.

What parts can replace 3M303A4-3?

There is 1 known substitute for 3M303A4-3: 1926-4-3. Substitute compatibility should be verified for your specific system.

What is the NSN for 3M303A4-3?

3M303A4-3 is cataloged in the U.S. Government catalog under NSN 5325-00-406-5682. This indicates validated use in U.S. government and defense supply chains.

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