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J815P020B — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

J815P020B: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, head_height: 0.338 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.700 INCHES NOMINAL IN, fastener_length: 1.106 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-184-8291, 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
J815P020B
NSN: 5306-01-184-8291
FSC: 5306 — Bolts
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleDOUBLE HEXAGON EXTENDED WASHER
head_height0.338 INCHES NOMINAL IN
thread_class3A A
thread_length0.700 INCHES NOMINAL IN
fastener_length1.106 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.3750 INCHES NOMINAL IN
nominal_thread_diameter0.3125 INCHES IN
extended_washer_diameter0.500 INCHES NOMINAL IN
thread_quantity_per_inch24
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF)
NSN5306-01-184-8291
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: J815P020B · 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: 0.075 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.338 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.106 INCHES NOMINAL IN
•
EXTENDED WASHER DIAMETER: 0.500 INCHES NOMINAL IN
•
THREAD LENGTH: 0.700 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.3125 INCHES IN
•
HEAD STYLE: DOUBLE HEXAGON EXTENDED WASHER
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.075 INCHES NOMINAL IN
HEAD HEIGHT0.338 INCHES NOMINAL IN
FASTENER LENGTH1.106 INCHES NOMINAL IN
EXTENDED WASHER DIAMETER0.500 INCHES NOMINAL IN
THREAD LENGTH0.700 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.3125 INCHES IN
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.3750 INCHES NOMINAL IN
THREAD CLASS3A A
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
J815P020AReference document
Same NSN cross-reference
Reference document — Secondary reference
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 J815P020B?
J815P020B is a BOLT,MACHINE.
What parts can replace J815P020B?
There is 1 known substitute for J815P020B: J815P020A. Substitute compatibility should be verified for your specific system.
What is the NSN for J815P020B?
J815P020B is cataloged in the U.S. Government catalog under NSN 5306-01-184-8291. 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.