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3M939-3-8F — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3M939-3-8F: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5305-01-357-4612, 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
3M939-3-8F
NSN: 5305-01-357-4612
FSC: 5305 — Screws
CAGE: 1VSL7 — HOUSTON PRECISION FASTENERS I LP (USA)
SPECIFICATIONS
Part Number3M939-3-8F
NSN5305-01-357-4612
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3M939-3-8F · 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
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES 3
MA6939-3-8FReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
VT1730-3-8PReference document
Same NSN cross-reference
Reference document — Secondary reference
GS1018-3-8FSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3M939-3-8F?
3M939-3-8F is a SCREW,MACHINE.
What parts can replace 3M939-3-8F?
There are 3 known substitutes for 3M939-3-8F: MA6939-3-8F, VT1730-3-8P, GS1018-3-8F. Substitute compatibility should be verified for your specific system.
What is the NSN for 3M939-3-8F?
3M939-3-8F is cataloged in the U.S. Government catalog under NSN 5305-01-357-4612. 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.