4D112 — STUD,TURNLOCK FASTENER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

4D112: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, grip_length: 0.440 INCHES NOMINAL IN, head_length: 0.625 INCHES NOMINAL IN, stud_head_height: 0.312 INCHES NOMINAL IN, surface_treatment: CADMIUM OVERALL, turnlock_stud_head_style: FILLISTER WING. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-337-6575, 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

4D112

NSN: 5325-00-337-6575
FSC: 5325 — Fastening Devices
CAGE: 07661 — SYSTEMS AND ELECTRONICS INC (USA)

SPECIFICATIONS

material	STEEL OVERALL
grip_length	0.440 INCHES NOMINAL IN
head_length	0.625 INCHES NOMINAL IN
stud_head_height	0.312 INCHES NOMINAL IN
surface_treatment	CADMIUM OVERALL
turnlock_stud_head_style	FILLISTER WING
stud_shank_major_diameter	0.167 INCHES NOMINAL IN
turnlock_stud_shank_style	STUD SHANK
nondefinitive_spec/std_data	3 TYPE AND 1 STYLE AND A CLASS OR B CLASS AND 2 SIZE
material_accommodated_thickness	0.291 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
NSN	5325-00-337-6575

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD LENGTH: 0.625 INCHES NOMINAL IN

•

MATERIAL ACCOMMODATED THICKNESS: 0.291 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN

•

TURNLOCK STUD SHANK STYLE: STUD SHANK

•

STUD HEAD HEIGHT: 0.312 INCHES NOMINAL IN

•

NONDEFINITIVE SPEC/STD DATA: 3 TYPE AND 1 STYLE AND A CLASS OR B CLASS AND 2 SIZE

•

TURNLOCK STUD HEAD STYLE: FILLISTER WING

•

STUD SHANK MAJOR DIAMETER: 0.167 INCHES NOMINAL IN

•

SURFACE TREATMENT: CADMIUM OVERALL

TECHNICAL CHARACTERISTICS

HEAD LENGTH	0.625 INCHES NOMINAL IN
MATERIAL ACCOMMODATED THICKNESS	0.291 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
TURNLOCK STUD SHANK STYLE	STUD SHANK
STUD HEAD HEIGHT	0.312 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA	3 TYPE AND 1 STYLE AND A CLASS OR B CLASS AND 2 SIZE
TURNLOCK STUD HEAD STYLE	FILLISTER WING
STUD SHANK MAJOR DIAMETER	0.167 INCHES NOMINAL IN
SURFACE TREATMENT	CADMIUM OVERALL
MATERIAL	STEEL OVERALL
GRIP LENGTH	0.440 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 4

MILF5591Reference document

Same NSN cross-reference

Reference document — Secondary reference

981-002Reference document

Same NSN cross-reference

Reference document — Secondary reference

8177079Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

13213E5163-7Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 4D112?

4D112 is a STUD,TURNLOCK FASTENER.

What parts can replace 4D112?

There are 4 known substitutes for 4D112: MILF5591, 981-002, 8177079 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 4D112?

4D112 is cataloged in the U.S. Government catalog under NSN 5325-00-337-6575. This indicates validated use in U.S. government and defense supply chains.

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