PartsTable
Technical Data Sheet
Download PDF

3M303C5W-14 — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3M303C5W-14: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.4289 INCHES MINIMUM AND 0.4385 INCHES MAXIMUM IN, material: STEEL CORROSION RESISTING OVERALL, drive_type: SOCKET, grip_length: 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN, extension_length: 0.361 INCHES NOMINAL IN, stud_head_height: 0.0230 INCHES MINIMUM AND 0.0280 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-027-3515, 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
3M303C5W-14
NSN: 5325-01-027-3515
FSC: 5325 — Fastening Devices
CAGE: 80539 — SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA (USA)
SPECIFICATIONS
diameter0.4289 INCHES MINIMUM AND 0.4385 INCHES MAXIMUM IN
materialSTEEL CORROSION RESISTING OVERALL
drive_typeSOCKET
grip_length0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN
extension_length0.361 INCHES NOMINAL IN
stud_head_height0.0230 INCHES MINIMUM AND 0.0280 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
securing_device_typeRING
turnlock_stud_head_styleFLAT FILLISTER
stud_shank_major_diameter0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
turnlock_stud_shank_styleSTUD SHANK
material_accommodated_thickness0.875 INCHES NOMINAL IN
NSN5325-01-027-3515
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3M303C5W-14 · 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: 0.875 INCHES NOMINAL IN
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
EXTENSION LENGTH: 0.361 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 23-107,CAGEC 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.4289 INCHES MINIMUM AND 0.4385 INCHES MAXIMUM IN
•
STUD HEAD HEIGHT: 0.0230 INCHES MINIMUM AND 0.0280 INCHES MAXIMUM IN
•
SECURING DEVICE TYPE: RING
TECHNICAL CHARACTERISTICS
DRIVE TYPESOCKET
MATERIAL ACCOMMODATED THICKNESS0.875 INCHES NOMINAL IN
TURNLOCK STUD SHANK STYLESTUD SHANK
EXTENSION LENGTH0.361 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION23-107,CAGEC 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.4289 INCHES MINIMUM AND 0.4385 INCHES MAXIMUM IN
STUD HEAD HEIGHT0.0230 INCHES MINIMUM AND 0.0280 INCHES MAXIMUM IN
SECURING DEVICE TYPERING
TURNLOCK STUD HEAD STYLEFLAT FILLISTER
STUD SHANK MAJOR DIAMETER0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM 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 5
MT152C5W14Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
192012-5-14Reference document
Same NSN cross-reference
Reference document — Secondary reference
192015-5-14Reference document
Same NSN cross-reference
Reference document — Secondary reference
3M303C5-14Reference document
Same NSN cross-reference
Reference document — Secondary reference
M192015-5-14Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 3M303C5W-14?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 3M303C5W-14?
3M303C5W-14 is a STUD,TURNLOCK FASTENER.
What parts can replace 3M303C5W-14?
There are 5 known substitutes for 3M303C5W-14: MT152C5W14, 192012-5-14, 192015-5-14 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3M303C5W-14?
3M303C5W-14 is cataloged in the U.S. Government catalog under NSN 5325-01-027-3515. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 3M303C5W-14

✓ 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.