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J645P22A — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

J645P22A: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: DOUBLE HEXAGON W/HOLE, grip_length: 0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, head_height: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 1.302 INCHES MINIMUM AND 1.382 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-458-2865, 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
J645P22A
NSN: 5306-00-458-2865
FSC: 5306 — Bolts
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
head_styleDOUBLE HEXAGON W/HOLE
grip_length0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
head_height0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
thread_class3A A
thread_length1.302 INCHES MINIMUM AND 1.382 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES TOP OF HEAD
fastener_length1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
nominal_thread_diameter0.312 INCHES IN
NSN5306-00-458-2865
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: J645P22A · 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: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES GRIP
SURFACE FINISH125.0 MICROINCHES TOP OF HEAD
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH125.0 MICROINCHES THREADS
EXTENDED WASHER THICKNESS0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
HEAD HEIGHT0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
FASTENER LENGTH1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
THREAD LENGTH1.302 INCHES MINIMUM AND 1.382 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONINCONEL 718,FSCM 74900 MFR REF SINGLE MATERIAL RESPONSE OVERALL
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 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
9682M97P02Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is J645P22A?
J645P22A is a BOLT,MACHINE.
What parts can replace J645P22A?
There is 1 known substitute for J645P22A: 9682M97P02. Substitute compatibility should be verified for your specific system.
What is the NSN for J645P22A?
J645P22A is cataloged in the U.S. Government catalog under NSN 5306-00-458-2865. 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.