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12443810 — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12443810: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.63 INCHES NOMINAL IN, material: STEEL OVERALL, grip_length: 0.44 INCHES NOMINAL IN, minor_diameter: 0.38 INCHES NOMINAL IN, stud_head_height: 0.25 INCHES NOMINAL IN, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-729-2040, 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
12443810
NSN: 5325-01-729-2040
FSC: 5325 — Fastening Devices
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
diameter0.63 INCHES NOMINAL IN
materialSTEEL OVERALL
grip_length0.44 INCHES NOMINAL IN
minor_diameter0.38 INCHES NOMINAL IN
stud_head_height0.25 INCHES NOMINAL IN
surface_treatmentZINC OVERALL
end_item_identificationNSN 2355-016545321
turnlock_stud_head_styleFLAT FILLISTER
NSN5325-01-729-2040
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12443810 · 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
•
DIAMETER: 0.63 INCHES NOMINAL IN
•
STUD HEAD HEIGHT: 0.25 INCHES NOMINAL IN
•
TURNLOCK STUD HEAD STYLE: FLAT FILLISTER
•
SURFACE TREATMENT: ZINC OVERALL
•
MINOR DIAMETER: 0.38 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
GRIP LENGTH: 0.44 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DIAMETER0.63 INCHES NOMINAL IN
STUD HEAD HEIGHT0.25 INCHES NOMINAL IN
TURNLOCK STUD HEAD STYLEFLAT FILLISTER
SURFACE TREATMENTZINC OVERALL
END ITEM IDENTIFICATIONNSN 2355-016545321
MINOR DIAMETER0.38 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
GRIP LENGTH0.44 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

No substitute or cross-reference records for this part.

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 12443810?
12443810 is a STUD,TURNLOCK FASTENER.
What is the NSN for 12443810?
12443810 is cataloged in the U.S. Government catalog under NSN 5325-01-729-2040. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.