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J645P12E — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

J645P12E: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, head_height: 0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM IN, fastener_length: 0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-412-1741, 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
J645P12E
NSN: 5306-01-412-1741
FSC: 5306 — Bolts
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
head_styleDOUBLE HEXAGON EXTENDED WASHER
head_height0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
thread_class3A A
thread_length0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM IN
fastener_length0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
features_providedDRY FILM LUBRICANT
width_between_flats0.3750 INCHES NOMINAL IN
nominal_thread_diameter0.3125 INCHES IN
extended_washer_diameter0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
thread_quantity_per_inch24
NSN5306-01-412-1741
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: J645P12E · 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: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: A50TF9 CLA,CAGEC 07482 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.3125 INCHES IN
•
FEATURES PROVIDED: DRY FILM LUBRICANT
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
HEAD HEIGHT0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
FASTENER LENGTH0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONA50TF9 CLA,CAGEC 07482 MFR REF SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
THREAD LENGTH0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.3125 INCHES IN
FEATURES PROVIDEDDRY FILM LUBRICANT
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 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

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 J645P12E?
J645P12E is a BOLT,MACHINE.
What is the NSN for J645P12E?
J645P12E is cataloged in the U.S. Government catalog under NSN 5306-01-412-1741. 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.