PartsTable
Technical Data Sheet
Download PDF

1AB798A — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1AB798A: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 3135 OR STEEL COMP 4140 OR STEEL COMP 1035 OVERALL, head_style: ROUND W/WRENCH FLATS CHAMFERED, grip_length: 1.500 INCHES NOMINAL IN, head_height: 0.188 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-325-5294, 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
1AB798A
NSN: 5306-00-325-5294
FSC: 5306 — Bolts
CAGE: 23382 — FWD SEAGRAVE HOLDINGS LP (USA)
SPECIFICATIONS
materialSTEEL COMP 3135 OR STEEL COMP 4140 OR STEEL COMP 1035 OVERALL
head_styleROUND W/WRENCH FLATS CHAMFERED
grip_length1.500 INCHES NOMINAL IN
head_height0.188 INCHES NOMINAL IN
thread_class3A A
head_diameter0.625 INCHES NOMINAL IN
thread_length0.875 INCHES NOMINAL IN
fastener_length2.375 INCHES NOMINAL IN
hardness_rating32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedUNFINISHED HEAD
width_between_flats0.500 INCHES NOMINAL IN
NSN5306-00-325-5294
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1AB798A · 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: 0.188 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.375 INCHES NOMINAL IN
•
THREAD LENGTH: 0.875 INCHES NOMINAL IN
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
•
SHANK UNTHREADED HOLE DIAMETER: 0.136 INCHES NOMINAL FIRST HOLE IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD DIAMETER: 0.438 INCHES IN
•
FEATURES PROVIDED: UNFINISHED HEAD
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.188 INCHES NOMINAL IN
FASTENER LENGTH2.375 INCHES NOMINAL IN
THREAD LENGTH0.875 INCHES NOMINAL IN
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER0.136 INCHES NOMINAL FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.438 INCHES IN
FEATURES PROVIDEDUNFINISHED HEAD
HEAD STYLEROUND W/WRENCH FLATS CHAMFERED
THREAD DIRECTIONRIGHT-HAND
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 1
B798AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 1AB798A?
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 1AB798A?
1AB798A is a BOLT,MACHINE.
What parts can replace 1AB798A?
There is 1 known substitute for 1AB798A: B798A. Substitute compatibility should be verified for your specific system.
What is the NSN for 1AB798A?
1AB798A is cataloged in the U.S. Government catalog under NSN 5306-00-325-5294. 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 — 1AB798A

✓ 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.