121J-P450-Z3C — STUD,TURNLOCK FASTENER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

121J-P450-Z3C: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN, material: STEEL OVERALL, drive_type: CROSS RECESS, grip_length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, shank_neck_length: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, surface_treatment: ZINC AND CHROMATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-416-8876, 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

121J-P450-Z3C

NSN: 5325-01-416-8876
FSC: 5325 — Fastening Devices
CAGE: 72794 — SOUTHCO INC (USA)

SPECIFICATIONS

diameter	0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
material	STEEL OVERALL
drive_type	CROSS RECESS
grip_length	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
shank_neck_length	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
surface_treatment	ZINC AND CHROMATE OVERALL
turnlock_stud_head_style	FILLISTER
stud_shank_major_diameter	0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
turnlock_stud_shank_style	STUD SHANK
NSN	5325-01-416-8876

COMPONENT DIAGRAM

KEY FEATURES

•

DRIVE TYPE: CROSS RECESS

•

TURNLOCK STUD SHANK STYLE: STUD SHANK

•

DIAMETER: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN

•

SHANK NECK LENGTH: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN

•

TURNLOCK STUD HEAD STYLE: FILLISTER

•

STUD SHANK MAJOR DIAMETER: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN

•

SURFACE TREATMENT: ZINC AND CHROMATE OVERALL

•

MATERIAL: STEEL OVERALL

TECHNICAL CHARACTERISTICS

DRIVE TYPE	CROSS RECESS
TURNLOCK STUD SHANK STYLE	STUD SHANK
DIAMETER	0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
SHANK NECK LENGTH	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
TURNLOCK STUD HEAD STYLE	FILLISTER
STUD SHANK MAJOR DIAMETER	0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
SURFACE TREATMENT	ZINC AND CHROMATE OVERALL
MATERIAL	STEEL OVERALL
GRIP LENGTH	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN

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 3

APRJ4-50Reference document

Same NSN cross-reference

Reference document — Secondary reference

121J-P450-23CReference document

Same NSN cross-reference

Reference document — Secondary reference

3307816-6Same 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 121J-P450-Z3C?

121J-P450-Z3C is a STUD,TURNLOCK FASTENER.

What parts can replace 121J-P450-Z3C?

There are 3 known substitutes for 121J-P450-Z3C: APRJ4-50, 121J-P450-23C, 3307816-6. Substitute compatibility should be verified for your specific system.

What is the NSN for 121J-P450-Z3C?

121J-P450-Z3C is cataloged in the U.S. Government catalog under NSN 5325-01-416-8876. This indicates validated use in U.S. government and defense supply chains.

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