PartsTable
Technical Data Sheet
Download PDF

C37474490B — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

C37474490B: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.294 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN, material: STEEL CORROSION RESISTING OVERALL, drive_type: CROSS RECESS, surface_treatment: PASSIVATE OVERALL, turnlock_stud_head_style: FILLISTER, stud_shank_major_diameter: 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-064-2456, 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
C37474490B
NSN: 5325-01-064-2456
FSC: 5325 — Fastening Devices
CAGE: S3092 — RHEINMETALL AIR DEFENCE AG (CHE)
SPECIFICATIONS
diameter0.294 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN
materialSTEEL CORROSION RESISTING OVERALL
drive_typeCROSS RECESS
surface_treatmentPASSIVATE OVERALL
turnlock_stud_head_styleFILLISTER
stud_shank_major_diameter0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
turnlock_stud_shank_styleSTUD SHANK
material_accommodated_thickness0.365 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
surface_treatment_document_and_classificationMIL-S-5002 MIL STD ALL TREATMENT RESPONSES OVERALL
NSN5325-01-064-2456
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: C37474490B · 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 DOCUMENT AND CLASSIFICATION: MIL-S-5002 MIL STD ALL TREATMENT RESPONSES OVERALL
•
DRIVE TYPE: CROSS RECESS
•
MATERIAL ACCOMMODATED THICKNESS: 0.365 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
DIAMETER: 0.294 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN
•
TURNLOCK STUD HEAD STYLE: FILLISTER
•
STUD SHANK MAJOR DIAMETER: 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL STD ALL TREATMENT RESPONSES OVERALL
DRIVE TYPECROSS RECESS
MATERIAL ACCOMMODATED THICKNESS0.365 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
TURNLOCK STUD SHANK STYLESTUD SHANK
DIAMETER0.294 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN
TURNLOCK STUD HEAD STYLEFILLISTER
STUD SHANK MAJOR DIAMETER0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL CORROSION RESISTING 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
C 3747 449 -BSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5S15-24Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy C37474490B?
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 C37474490B?
C37474490B is a STUD,TURNLOCK FASTENER.
What parts can replace C37474490B?
There are 2 known substitutes for C37474490B: C 3747 449 -B, 5S15-24. Substitute compatibility should be verified for your specific system.
What is the NSN for C37474490B?
C37474490B is cataloged in the U.S. Government catalog under NSN 5325-01-064-2456. 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 — C37474490B

✓ 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.