PartsTable
Technical Data Sheet
Download PDF

12S1-27-1AA — STUD ASSEMBLY,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12S1-27-1AA: STUD ASSEMBLY,TURNLOCK FASTENER.

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include diameter: 0.344 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN, material: STEEL OVERALL, securing_device_type: WASHER, turnlock_stud_head_style: FILLISTER, material_accommodated_thickness: 0.365 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-014-3403, 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
12S1-27-1AA
NSN: 5325-01-014-3403
FSC: 5325 — Fastening Devices
CAGE: 71286 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV CAMLOC PRODUCTS (USA)
SPECIFICATIONS
diameter0.344 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN
materialSTEEL OVERALL
securing_device_typeWASHER
turnlock_stud_head_styleFILLISTER
material_accommodated_thickness0.365 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
NSN5325-01-014-3403
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12S1-27-1AA · 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
•
MATERIAL ACCOMMODATED THICKNESS: 0.365 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
•
DIAMETER: 0.344 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN
•
SECURING DEVICE TYPE: WASHER
•
TURNLOCK STUD HEAD STYLE: FILLISTER
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
MATERIAL ACCOMMODATED THICKNESS0.365 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
DIAMETER0.344 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN
SECURING DEVICE TYPEWASHER
TURNLOCK STUD HEAD STYLEFILLISTER
MATERIALSTEEL 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 12S1-27-1AA?
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 12S1-27-1AA?
12S1-27-1AA is a STUD ASSEMBLY,TURNLOCK FASTENER.
What is the NSN for 12S1-27-1AA?
12S1-27-1AA is cataloged in the U.S. Government catalog under NSN 5325-01-014-3403. 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 — 12S1-27-1AA