PartsTable
Technical Data Sheet
Download PDF

7744685 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

7744685: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8640 OVERALL, hole_type: DRILLED, head_style: HEXAGON EXTENDED WASHER, grip_length: 0.230 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, head_height: 0.290 INCHES NOMINAL IN, thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-774-4685, 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
7744685
NSN: 5306-00-774-4685
FSC: 5306 — Bolts
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 8640 OVERALL
hole_typeDRILLED
head_styleHEXAGON EXTENDED WASHER
grip_length0.230 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
head_height0.290 INCHES NOMINAL IN
thread_class3A A
hole_diameter0.062 INCHES NOMINAL IN
hole_quantity6
thread_length0.630 INCHES MINIMUM IN
fastener_length0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
NSN5306-00-774-4685
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 7744685 · 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
•
EXTENDED WASHER THICKNESS: 0.090 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.290 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 0.620 INCHES NOMINAL IN
•
THREAD LENGTH: 0.630 INCHES MINIMUM IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
HOLE CONFIGURATION STYLE: HEXAGON LONGITUDINAL HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.090 INCHES NOMINAL IN
HEAD HEIGHT0.290 INCHES NOMINAL IN
FASTENER LENGTH0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER0.620 INCHES NOMINAL IN
THREAD LENGTH0.630 INCHES MINIMUM IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
SUBSTITUTES & CROSS-REFERENCES 1
502086Same 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
Ready to buy 7744685?
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 7744685?
7744685 is a BOLT,MACHINE.
What parts can replace 7744685?
There is 1 known substitute for 7744685: 502086. Substitute compatibility should be verified for your specific system.
What is the NSN for 7744685?
7744685 is cataloged in the U.S. Government catalog under NSN 5306-00-774-4685. 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 — 7744685

✓ 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.