PartsTable
Technical Data Sheet

B3280/43085 — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

B3280/43085: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 BARREL, surface_treatment: PASSIVATE BARREL. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-435-9345, 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
B3280/43085
NSN: 5325-01-435-9345
FSC: 5325 — Fastening Devices
CAGE: K0662 — LEONARDO MW LTD (GBR)
SPECIFICATIONS
materialSTEEL COMP 303 BARREL
surface_treatmentPASSIVATE BARREL
NSN5325-01-435-9345
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: B3280/43085 · 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: PASSIVATE BARREL
•
MATERIAL: STEEL COMP 303 BARREL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENTPASSIVATE BARREL
MATERIALSTEEL COMP 303 BARREL
SUBSTITUTES & CROSS-REFERENCES 2
CA18161-9HSSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3280/43085Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B3280/43085?
B3280/43085 is a STUD,TURNLOCK FASTENER.
What parts can replace B3280/43085?
There are 2 known substitutes for B3280/43085: CA18161-9HS, 3280/43085. Substitute compatibility should be verified for your specific system.
What is the NSN for B3280/43085?
B3280/43085 is cataloged in the U.S. Government catalog under NSN 5325-01-435-9345. 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.