11439420-1 — STUD,TURNLOCK FASTENER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

11439420-1: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, material: STEEL COMP 303 OVERALL, drive_type: SOCKET, grip_length: 0.090 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN, extension_length: 0.125 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-421-5115, 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

11439420-1

NSN: 5325-00-421-5115
FSC: 5325 — Fastening Devices
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)

SPECIFICATIONS

diameter	0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
material	STEEL COMP 303 OVERALL
drive_type	SOCKET
grip_length	0.090 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
extension_length	0.125 INCHES NOMINAL IN
surface_treatment	PASSIVATE OVERALL
securing_device_type	RING
turnlock_stud_head_style	FILLISTER
stud_shank_major_diameter	0.184 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN
turnlock_stud_shank_style	STUD SHANK
material_document_and_classification	ASTMA582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
stud_thread_size_and_series/type_designator	0.112-40 UNIFIED NATIONAL COARSE (UNC)
NSN	5325-00-421-5115

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

DRIVE TYPE: SOCKET

•

TURNLOCK STUD SHANK STYLE: STUD SHANK

•

EXTENSION LENGTH: 0.125 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTMA582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

DIAMETER: 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN

•

SECURING DEVICE TYPE: RING

•

TURNLOCK STUD HEAD STYLE: FILLISTER

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DRIVE TYPE	SOCKET
TURNLOCK STUD SHANK STYLE	STUD SHANK
EXTENSION LENGTH	0.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	ASTMA582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER	0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
SECURING DEVICE TYPE	RING
TURNLOCK STUD HEAD STYLE	FILLISTER
STUD SHANK MAJOR DIAMETER	0.184 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN
SURFACE TREATMENT	PASSIVATE OVERALL

OTHER ITEMS IN FSC 5325 — Fastening Devices

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

5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317

SUBSTITUTES & CROSS-REFERENCES 1

CA2021-0Same 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 11439420-1?

11439420-1 is a STUD,TURNLOCK FASTENER.

What parts can replace 11439420-1?

There is 1 known substitute for 11439420-1: CA2021-0. Substitute compatibility should be verified for your specific system.

What is the NSN for 11439420-1?

11439420-1 is cataloged in the U.S. Government catalog under NSN 5325-00-421-5115. This indicates validated use in U.S. government and defense supply chains.

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