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Technical Data Sheet
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8655026 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8655026: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include head_style: HEXAGON EXTENDED WASHER, head_height: 0.293 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.489 INCHES MINIMUM AND 0.519 INCHES MAXIMUM IN, fastener_length: 0.600 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN, hardness_rating: 22.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-024-6580, 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
8655026
NSN: 5306-00-024-6580
FSC: 5306 — Bolts
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
head_styleHEXAGON EXTENDED WASHER
head_height0.293 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
thread_class2A A
thread_length0.489 INCHES MINIMUM AND 0.519 INCHES MAXIMUM IN
fastener_length0.600 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
hardness_rating22.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
locking_featureLOCKING TEETH BEARING SURFACE OF HEAD
thread_directionRIGHT-HAND
features_providedCASEHARDENED AND FINISHED HEAD
width_between_flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
nominal_thread_diameter0.312 INCHES IN
extended_washer_diameter0.750 INCHES NOMINAL IN
NSN5306-00-024-6580
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8655026 · 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 MINIMUM AND 0.105 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.293 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.600 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 0.750 INCHES NOMINAL IN
•
THREAD LENGTH: 0.489 INCHES MINIMUM AND 0.519 INCHES MAXIMUM IN
•
HARDNESS RATING: 22.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.090 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
HEAD HEIGHT0.293 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
FASTENER LENGTH0.600 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER0.750 INCHES NOMINAL IN
THREAD LENGTH0.489 INCHES MINIMUM AND 0.519 INCHES MAXIMUM IN
HARDNESS RATING22.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES IN
FEATURES PROVIDEDCASEHARDENED AND FINISHED HEAD
HEAD STYLEHEXAGON EXTENDED WASHER
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
3829139Reference document
Same NSN cross-reference
Reference document — Secondary reference
5306PL1493887Reference document
Same NSN cross-reference
Reference document — Informative reference only
2AX317Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5306000246580Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8655026?
8655026 is a BOLT,MACHINE.
What parts can replace 8655026?
There are 4 known substitutes for 8655026: 3829139, 5306PL1493887, 2AX317 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8655026?
8655026 is cataloged in the U.S. Government catalog under NSN 5306-00-024-6580. 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.