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12449026 — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12449026: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020 OVERALL, grip_length: 0.500 INCHES NOMINAL IN, stud_head_height: 0.244 INCHES NOMINAL IN, shank_neck_length: 0.345 INCHES NOMINAL IN, surface_treatment: ZINC OVERALL, width_across_flats: 0.562 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-444-7398, 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
12449026
NSN: 5325-01-444-7398
FSC: 5325 — Fastening Devices
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1020 OVERALL
grip_length0.500 INCHES NOMINAL IN
stud_head_height0.244 INCHES NOMINAL IN
shank_neck_length0.345 INCHES NOMINAL IN
surface_treatmentZINC OVERALL
width_across_flats0.562 INCHES NOMINAL IN
extended_washer_diameter0.562 INCHES NOMINAL IN
turnlock_stud_head_styleLOOP ON FLAT FILLISTER
stud_shank_major_diameter0.290 INCHES NOMINAL IN
material_document_and_classificationASTMA576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationASTMB633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN5325-01-444-7398
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12449026 · 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
•
WIDTH ACROSS FLATS: 0.562 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTMB633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 0.562 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTMA576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
STUD HEAD HEIGHT: 0.244 INCHES NOMINAL IN
•
SHANK NECK LENGTH: 0.345 INCHES NOMINAL IN
•
TURNLOCK STUD HEAD STYLE: LOOP ON FLAT FILLISTER
•
STUD SHANK MAJOR DIAMETER: 0.290 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.562 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTMB633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.562 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTMA576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STUD HEAD HEIGHT0.244 INCHES NOMINAL IN
SHANK NECK LENGTH0.345 INCHES NOMINAL IN
TURNLOCK STUD HEAD STYLELOOP ON FLAT FILLISTER
STUD SHANK MAJOR DIAMETER0.290 INCHES NOMINAL IN
SURFACE TREATMENTZINC OVERALL
MATERIALSTEEL COMP 1020 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12449026?
12449026 is a STUD,TURNLOCK FASTENER.
What is the NSN for 12449026?
12449026 is cataloged in the U.S. Government catalog under NSN 5325-01-444-7398. 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.