3M303-5-5 — STUD,TURNLOCK FASTENER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

3M303-5-5: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.4289 INCHES MINIMUM AND 0.4385 INCHES MAXIMUM IN, material: STEEL COMP 8740 OVERALL, drive_type: SOCKET, grip_length: 0.2903 INCHES NOMINAL IN, extension_length: 0.3827 INCHES NOMINAL IN, stud_head_height: 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-481-1941, 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

3M303-5-5

NSN: 5325-00-481-1941
FSC: 5325 — Fastening Devices
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

diameter	0.4289 INCHES MINIMUM AND 0.4385 INCHES MAXIMUM IN
material	STEEL COMP 8740 OVERALL
drive_type	SOCKET
grip_length	0.2903 INCHES NOMINAL IN
extension_length	0.3827 INCHES NOMINAL IN
stud_head_height	0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
surface_treatment	CADMIUM OVERALL
securing_device_type	RING
turnlock_stud_head_style	FLAT FILLISTER
stud_shank_major_diameter	0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
turnlock_stud_shank_style	STUD SHANK
material_accommodated_thickness	0.312 INCHES NOMINAL IN
NSN	5325-00-481-1941

COMPONENT DIAGRAM

KEY FEATURES

•

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

•

DRIVE TYPE: SOCKET

•

MATERIAL ACCOMMODATED THICKNESS: 0.312 INCHES NOMINAL IN

•

TURNLOCK STUD SHANK STYLE: STUD SHANK

•

EXTENSION LENGTH: 0.3827 INCHES NOMINAL IN

•

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

•

DIAMETER: 0.4289 INCHES MINIMUM AND 0.4385 INCHES MAXIMUM IN

•

STUD HEAD HEIGHT: 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DRIVE TYPE	SOCKET
MATERIAL ACCOMMODATED THICKNESS	0.312 INCHES NOMINAL IN
TURNLOCK STUD SHANK STYLE	STUD SHANK
EXTENSION LENGTH	0.3827 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER	0.4289 INCHES MINIMUM AND 0.4385 INCHES MAXIMUM IN
STUD HEAD HEIGHT	0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
SECURING DEVICE TYPE	RING
TURNLOCK STUD HEAD STYLE	FLAT FILLISTER

SUBSTITUTES & CROSS-REFERENCES 1

1926-5-5Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 3M303-5-5?

3M303-5-5 is a STUD,TURNLOCK FASTENER.

What parts can replace 3M303-5-5?

There is 1 known substitute for 3M303-5-5: 1926-5-5. Substitute compatibility should be verified for your specific system.

What is the NSN for 3M303-5-5?

3M303-5-5 is cataloged in the U.S. Government catalog under NSN 5325-00-481-1941. This indicates validated use in U.S. government and defense supply chains.

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