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Technical Data Sheet
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0740705 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

0740705: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: DOUBLE HEXAGON W/HOLE, grip_length: 0.252 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, head_height: 0.412 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.990 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-485-0495, 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
0740705
NSN: 5306-01-485-0495
FSC: 5306 — Bolts
CAGE: S3002 — GENERAL DYNAMICS EUROPEAN, LAND-SYSTEMS-MOWAG GMBH DBA GDELS (CHE)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
head_styleDOUBLE HEXAGON W/HOLE
grip_length0.252 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
head_height0.412 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN
thread_class3A A
thread_length0.990 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES THREADS
fastener_length2.400 INCHES MINIMUM AND 2.600 INCHES MAXIMUM IN
hardness_rating24.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
NSN5306-01-485-0495
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0740705 · 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: 63.0 MICROINCHES GRIP
•
EXTENDED WASHER THICKNESS: 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.412 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.400 INCHES MINIMUM AND 2.600 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.990 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES GRIP
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH63.0 MICROINCHES THREADS
EXTENDED WASHER THICKNESS0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
HEAD HEIGHT0.412 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN
FASTENER LENGTH2.400 INCHES MINIMUM AND 2.600 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
THREAD LENGTH0.990 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN
HARDNESS RATING24.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 1
MS21282-28Same 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
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FREQUENTLY ASKED QUESTIONS
What is 0740705?
0740705 is a BOLT,MACHINE.
What parts can replace 0740705?
There is 1 known substitute for 0740705: MS21282-28. Substitute compatibility should be verified for your specific system.
What is the NSN for 0740705?
0740705 is cataloged in the U.S. Government catalog under NSN 5306-01-485-0495. 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.