PartsTable
Technical Data Sheet
Download PDF

A3 1-2T38 — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

A3 1-2T38: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, material: STEEL OR STEEL COMP 8620 OVERALL, drive_type: SLOTTED, grip_length: 0.620 INCHES NOMINAL IN, surface_treatment: CADMIUM OVERALL, turnlock_stud_head_style: FILLISTER. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-283-0080, 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
A3 1-2T38
NSN: 5325-00-283-0080
FSC: 5325 — Fastening Devices
CAGE: 72794 — SOUTHCO INC (USA)
SPECIFICATIONS
diameter0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
materialSTEEL OR STEEL COMP 8620 OVERALL
drive_typeSLOTTED
grip_length0.620 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
turnlock_stud_head_styleFILLISTER
stud_shank_major_diameter0.212 INCHES MINIMUM AND 0.217 INCHES MAXIMUM IN
turnlock_stud_shank_styleSTUD SHANK
material_accommodated_thickness0.361 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
material_document_and_classificationSAE 2317 ASSN STD 1ST MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5325-00-283-0080
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A3 1-2T38 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
DRIVE TYPE: SLOTTED
•
MATERIAL ACCOMMODATED THICKNESS: 0.361 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 2317 ASSN STD 1ST MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
TURNLOCK STUD HEAD STYLE: FILLISTER
•
STUD SHANK MAJOR DIAMETER: 0.212 INCHES MINIMUM AND 0.217 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DRIVE TYPESLOTTED
MATERIAL ACCOMMODATED THICKNESS0.361 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
TURNLOCK STUD SHANK STYLESTUD SHANK
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 2317 ASSN STD 1ST MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE OVERALL
DIAMETER0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
TURNLOCK STUD HEAD STYLEFILLISTER
STUD SHANK MAJOR DIAMETER0.212 INCHES MINIMUM AND 0.217 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL OR STEEL COMP 8620 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 4
A3-1-2T39Reference document
Same NSN cross-reference
Reference document — Secondary reference
A35T39Reference document
Same NSN cross-reference
Reference document — Secondary reference
BNA000006Reference document
Same NSN cross-reference
Reference document — Secondary reference
2351-20-39-C3CReference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy A3 1-2T38?
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 A3 1-2T38?
A3 1-2T38 is a STUD,TURNLOCK FASTENER.
What parts can replace A3 1-2T38?
There are 4 known substitutes for A3 1-2T38: A3-1-2T39, A35T39, BNA000006 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A3 1-2T38?
A3 1-2T38 is cataloged in the U.S. Government catalog under NSN 5325-00-283-0080. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — A3 1-2T38

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.