PartsTable
Technical Data Sheet
Download PDF

64494-3-12 — BOLT,INTERNAL WRENCHING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

64494-3-12: BOLT,INTERNAL WRENCHING.

The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OVERALL, head_height: 0.253 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.311 INCHES NOMINAL IN, thread_length: 0.375 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN, surface_finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-193-0862, 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
64494-3-12
NSN: 5306-00-193-0862
FSC: 5306 — Bolts
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OVERALL
head_height0.253 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.311 INCHES NOMINAL IN
thread_length0.375 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length1.125 INCHES MINIMUM AND 1.165 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.190 INCHES IN
NSN5306-00-193-0862
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 64494-3-12 · 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 FINISH: 32.0 MICROINCHES SIDES OF HEAD
•
WIDTH ACROSS FLATS: 0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.253 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.125 INCHES MINIMUM AND 1.165 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES SIDES OF HEAD
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
WIDTH ACROSS FLATS0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
HEAD HEIGHT0.253 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
FASTENER LENGTH1.125 INCHES MINIMUM AND 1.165 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.375 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
SHANK UNTHREADED HOLE DIAMETER0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE IN
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459
SUBSTITUTES & CROSS-REFERENCES 4
VBP630-3-12Reference document
Same NSN cross-reference
Reference document — Secondary reference
VCE0002-3-12Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AIC1025-3-12Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
C630-3-12Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 64494-3-12?
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 64494-3-12?
64494-3-12 is a BOLT,INTERNAL WRENCHING.
What parts can replace 64494-3-12?
There are 4 known substitutes for 64494-3-12: VBP630-3-12, VCE0002-3-12, AIC1025-3-12 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 64494-3-12?
64494-3-12 is cataloged in the U.S. Government catalog under NSN 5306-00-193-0862. 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 — 64494-3-12

✓ 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.