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9318025 — BOLT,ASSEMBLED WASHER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

9318025: BOLT,ASSEMBLED WASHER.

The BOLT,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140H OR STEEL COMP 4042H OVERALL, head_style: HEXAGON, thread_class: 3A A, thread_direction: RIGHT-HAND, primary_washer_style: SPLIT, nominal_thread_diameter: 0.625 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-379-4093, 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
9318025
NSN: 5306-01-379-4093
FSC: 5306 — Bolts
CAGE: 72915 — GENERAL MOTORS CORP ELECTRO-MOTIVE DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 4140H OR STEEL COMP 4042H OVERALL
head_styleHEXAGON
thread_class3A A
washer_quantity1
thread_directionRIGHT-HAND
primary_washer_styleSPLIT
nominal_thread_diameter0.625 INCHES IN
thread_quantity_per_inch18
thread_series_designatorUNF
NSN5306-01-379-4093
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 9318025 · 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
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
HEAD STYLE: HEXAGON
•
PRIMARY WASHER STYLE: SPLIT
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 3A A
•
THREAD QUANTITY PER INCH: 18
•
MATERIAL: STEEL COMP 4140H OR STEEL COMP 4042H OVERALL
•
THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS
NOMINAL THREAD DIAMETER0.625 INCHES IN
HEAD STYLEHEXAGON
PRIMARY WASHER STYLESPLIT
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A A
THREAD QUANTITY PER INCH18
MATERIALSTEEL COMP 4140H OR STEEL COMP 4042H OVERALL
THREAD SERIES DESIGNATORUNF
WASHER QUANTITY1
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 2
9318052Reference document
Same NSN cross-reference
Reference document — Secondary reference
40055467Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 9318025?
9318025 is a BOLT,ASSEMBLED WASHER.
What parts can replace 9318025?
There are 2 known substitutes for 9318025: 9318052, 40055467. Substitute compatibility should be verified for your specific system.
What is the NSN for 9318025?
9318025 is cataloged in the U.S. Government catalog under NSN 5306-01-379-4093. 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.