721632-257 — STUD,TURNLOCK FASTENER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

721632-257: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.500 INCHES NOMINAL IN, material: STEEL OVERALL, grip_length: 0.691 INCHES NOMINAL IN, special_features: KNURLED HEAD, stud_head_height: 0.170 INCHES NOMINAL IN, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-951-6447, 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

721632-257

NSN: 5325-00-951-6447
FSC: 5325 — Fastening Devices
CAGE: 05689 — INSO ELECTRONIC PRODUCTS INC (USA)

SPECIFICATIONS

diameter	0.500 INCHES NOMINAL IN
material	STEEL OVERALL
grip_length	0.691 INCHES NOMINAL IN
special_features	KNURLED HEAD
stud_head_height	0.170 INCHES NOMINAL IN
surface_treatment	CADMIUM OVERALL
turnlock_stud_head_style	FILLISTER COUNTERSUNK
stud_shank_major_diameter	0.128 INCHES NOMINAL IN
turnlock_stud_shank_style	STUD SHANK
material_accommodated_thickness	0.239 INCHES NOMINAL IN
NSN	5325-00-951-6447

COMPONENT DIAGRAM

KEY FEATURES

•

MATERIAL ACCOMMODATED THICKNESS: 0.239 INCHES NOMINAL IN

•

TURNLOCK STUD SHANK STYLE: STUD SHANK

•

DIAMETER: 0.500 INCHES NOMINAL IN

•

STUD HEAD HEIGHT: 0.170 INCHES NOMINAL IN

•

TURNLOCK STUD HEAD STYLE: FILLISTER COUNTERSUNK

•

STUD SHANK MAJOR DIAMETER: 0.128 INCHES NOMINAL IN

•

SURFACE TREATMENT: CADMIUM OVERALL

TECHNICAL CHARACTERISTICS

MATERIAL ACCOMMODATED THICKNESS	0.239 INCHES NOMINAL IN
TURNLOCK STUD SHANK STYLE	STUD SHANK
DIAMETER	0.500 INCHES NOMINAL IN
STUD HEAD HEIGHT	0.170 INCHES NOMINAL IN
TURNLOCK STUD HEAD STYLE	FILLISTER COUNTERSUNK
STUD SHANK MAJOR DIAMETER	0.128 INCHES NOMINAL IN
SPECIAL FEATURES	KNURLED HEAD
SURFACE TREATMENT	CADMIUM OVERALL
MATERIAL	STEEL OVERALL
GRIP LENGTH	0.691 INCHES NOMINAL 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 2

10375019Reference document

Same NSN cross-reference

Reference document — Informative reference only

2600-7KSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 721632-257?

721632-257 is a STUD,TURNLOCK FASTENER.

What parts can replace 721632-257?

There are 2 known substitutes for 721632-257: 10375019, 2600-7K. Substitute compatibility should be verified for your specific system.

What is the NSN for 721632-257?

721632-257 is cataloged in the U.S. Government catalog under NSN 5325-00-951-6447. This indicates validated use in U.S. government and defense supply chains.

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