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3M303C6W7 — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3M303C6W7: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.490 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, drive_type: SOCKET, grip_length: 0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN, extension_length: 0.460 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-337-6751, 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
3M303C6W7
NSN: 5325-01-337-6751
FSC: 5325 — Fastening Devices
CAGE: 84256 — AVIBANK MFG., INC. DBA AVIBANK MANUFACTURING INC (USA)
SPECIFICATIONS
diameter0.490 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
drive_typeSOCKET
grip_length0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN
extension_length0.460 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
securing_device_typeRING
turnlock_stud_head_styleFLAT COUNTERSUNK
stud_shank_major_diameter0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN
turnlock_stud_shank_styleSTUD SHANK
material_accommodated_thickness0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN
material_document_and_classificationASTM A286 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5325-01-337-6751
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3M303C6W7 · 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
•
DRIVE TYPE: SOCKET
•
MATERIAL ACCOMMODATED THICKNESS: 0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
EXTENSION LENGTH: 0.460 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A286 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.490 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: RING
•
TURNLOCK STUD HEAD STYLE: FLAT COUNTERSUNK
TECHNICAL CHARACTERISTICS
DRIVE TYPESOCKET
MATERIAL ACCOMMODATED THICKNESS0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN
TURNLOCK STUD SHANK STYLESTUD SHANK
EXTENSION LENGTH0.460 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A286 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.490 INCHES NOMINAL IN
SECURING DEVICE TYPERING
TURNLOCK STUD HEAD STYLEFLAT COUNTERSUNK
STUD SHANK MAJOR DIAMETER0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE 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 2
192015-6-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
M192015-6-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 3M303C6W7?
3M303C6W7 is a STUD,TURNLOCK FASTENER.
What parts can replace 3M303C6W7?
There are 2 known substitutes for 3M303C6W7: 192015-6-7, M192015-6-7. Substitute compatibility should be verified for your specific system.
What is the NSN for 3M303C6W7?
3M303C6W7 is cataloged in the U.S. Government catalog under NSN 5325-01-337-6751. 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.