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6860259 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

6860259: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, grip_length: 0.343 INCHES NOMINAL IN, head_height: 0.330 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.469 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-882-9221, 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
6860259
NSN: 5306-00-882-9221
NIINs: 008829221, 013047280
FSC: 5306 — Bolts
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
head_styleDOUBLE HEXAGON EXTENDED WASHER
grip_length0.343 INCHES NOMINAL IN
head_height0.330 INCHES NOMINAL IN
thread_class3A A
thread_length0.469 INCHES MINIMUM IN
fastener_length0.812 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.312 INCHES NOMINAL IN
nominal_thread_diameter0.250 INCHES IN
extended_washer_diameter0.438 INCHES NOMINAL IN
NSN5306-00-882-9221
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6860259 · 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: 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.330 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.812 INCHES NOMINAL IN
•
EXTENDED WASHER DIAMETER: 0.438 INCHES NOMINAL IN
•
THREAD LENGTH: 0.469 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5708 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
HEAD HEIGHT0.330 INCHES NOMINAL IN
FASTENER LENGTH0.812 INCHES NOMINAL IN
EXTENDED WASHER DIAMETER0.438 INCHES NOMINAL IN
THREAD LENGTH0.469 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5708 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 6860259?
6860259 is a BOLT,MACHINE.
What is the NSN for 6860259?
6860259 is cataloged in the U.S. Government catalog under NSN 5306-00-882-9221. 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.