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J643P06D — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

J643P06D: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_type: DRILLED, head_style: DOUBLE HEXAGON W/HOLE, head_height: 0.248 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN, thread_class: 3A A, hole_diameter: 0.047 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-043-1338, 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
J643P06D
NSN: 5306-01-043-1338
FSC: 5306 — Bolts
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_typeDRILLED
head_styleDOUBLE HEXAGON W/HOLE
head_height0.248 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN
thread_class3A A
hole_diameter0.047 INCHES NOMINAL IN
hole_quantity4
thread_length0.490 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES THREADS
fastener_length0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
NSN5306-01-043-1338
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: J643P06D · 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: 32.0 MICROINCHES THREADS
•
EXTENDED WASHER THICKNESS: 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.248 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.490 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
•
HOLE CONFIGURATION STYLE: HEXAGON LONGITUDINAL HOLE
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE FINISH32.0 MICROINCHES GRIP
EXTENDED WASHER THICKNESS0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
HEAD HEIGHT0.248 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN
FASTENER LENGTH0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
THREAD LENGTH0.490 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
HOLE CONFIGURATION STYLEHEXAGON LONGITUDINAL HOLE
NOMINAL THREAD DIAMETER0.190 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
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
5306PL1496766Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 J643P06D?
J643P06D is a BOLT,MACHINE.
What parts can replace J643P06D?
There is 1 known substitute for J643P06D: 5306PL1496766. Substitute compatibility should be verified for your specific system.
What is the NSN for J643P06D?
J643P06D is cataloged in the U.S. Government catalog under NSN 5306-01-043-1338. 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.