PartsTable
Technical Data Sheet
Download PDF

0S1756 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

0S1756: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1552 OVERALL, head_style: HEXAGON, grip_length: 2.320 INCHES NOMINAL IN, head_height: 0.475 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.710 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-426-2941, 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
0S1756
NSN: 5306-00-426-2941
FSC: 5306 — Bolts
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 1552 OVERALL
head_styleHEXAGON
grip_length2.320 INCHES NOMINAL IN
head_height0.475 INCHES NOMINAL IN
thread_class2A A
thread_length1.710 INCHES NOMINAL IN
fastener_length4.190 INCHES NOMINAL IN
hardness_rating33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
width_between_flats1.102 INCHES NOMINAL IN
nominal_thread_diameter0.750 INCHES IN
minimum_tensile_strength130000 POUNDS PER SQUARE INCH LBS
NSN5306-00-426-2941
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0S1756 · 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
•
HEAD HEIGHT: 0.475 INCHES NOMINAL IN
•
FASTENER LENGTH: 4.190 INCHES NOMINAL IN
•
THREAD LENGTH: 1.710 INCHES NOMINAL IN
•
HARDNESS RATING: 33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.750 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 2.320 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.475 INCHES NOMINAL IN
FASTENER LENGTH4.190 INCHES NOMINAL IN
THREAD LENGTH1.710 INCHES NOMINAL IN
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.750 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH2.320 INCHES NOMINAL IN
WIDTH BETWEEN FLATS1.102 INCHES NOMINAL IN
MINIMUM TENSILE STRENGTH130000 POUNDS PER SQUARE INCH LBS
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
S1756Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 0S1756?
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 0S1756?
0S1756 is a BOLT,MACHINE.
What parts can replace 0S1756?
There is 1 known substitute for 0S1756: S1756. Substitute compatibility should be verified for your specific system.
What is the NSN for 0S1756?
0S1756 is cataloged in the U.S. Government catalog under NSN 5306-00-426-2941. 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 — 0S1756

✓ 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.