A5T21 — STUD,TURNLOCK FASTENER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

A5T21: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.557 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN, material: STEEL OVERALL, drive_type: SLOTTED, grip_length: 0.511 INCHES NOMINAL IN, shank_neck_length: 0.330 INCHES NOMINAL IN, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-641-2302, 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

A5T21

NSN: 5325-00-641-2302
FSC: 5325 — Fastening Devices
CAGE: 72794 — SOUTHCO INC (USA)

SPECIFICATIONS

diameter	0.557 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
material	STEEL OVERALL
drive_type	SLOTTED
grip_length	0.511 INCHES NOMINAL IN
shank_neck_length	0.330 INCHES NOMINAL IN
surface_treatment	CADMIUM OVERALL
turnlock_stud_head_style	FILLISTER
stud_shank_major_diameter	0.311 INCHES NOMINAL IN
turnlock_stud_shank_style	STUD SHANK
nondefinitive_spec/std_data	2 TYPE AND 1 STYLE AND A CLASS AND B CLASS AND 5 SIZE
material_accommodated_thickness	0.201 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
material_document_and_classification	SAE 2320 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	5325-00-641-2302

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

DRIVE TYPE: SLOTTED

•

MATERIAL ACCOMMODATED THICKNESS: 0.201 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN

•

TURNLOCK STUD SHANK STYLE: STUD SHANK

•

MATERIAL DOCUMENT AND CLASSIFICATION: SAE 2320 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

DIAMETER: 0.557 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN

•

SHANK NECK LENGTH: 0.330 INCHES NOMINAL IN

•

NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 1 STYLE AND A CLASS AND B CLASS AND 5 SIZE

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DRIVE TYPE	SLOTTED
MATERIAL ACCOMMODATED THICKNESS	0.201 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
TURNLOCK STUD SHANK STYLE	STUD SHANK
MATERIAL DOCUMENT AND CLASSIFICATION	SAE 2320 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER	0.557 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
SHANK NECK LENGTH	0.330 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA	2 TYPE AND 1 STYLE AND A CLASS AND B CLASS AND 5 SIZE
TURNLOCK STUD HEAD STYLE	FILLISTER
STUD SHANK MAJOR DIAMETER	0.311 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 1

5L.3741.004.26Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

Ready to buy A5T21?

Compare prices from verified sellers on eBay

Buy on eBay →

As an eBay Partner, PartsTable may earn a commission. Your price is not affected.

FREQUENTLY ASKED QUESTIONS

What is A5T21?

A5T21 is a STUD,TURNLOCK FASTENER.

What parts can replace A5T21?

There is 1 known substitute for A5T21: 5L.3741.004.26. Substitute compatibility should be verified for your specific system.

What is the NSN for A5T21?

A5T21 is cataloged in the U.S. Government catalog under NSN 5325-00-641-2302. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

A5T21 — STUD,TURNLOCK FASTENER

Request a Quote — A5T21