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Technical Data Sheet
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AS3251-14 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AS3251-14: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include end_item_identification: CF34-10E, part_name_assigned_by_controlling_agency: BOLT, MACHINE, DOUBLE. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-595-4182, 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
AS3251-14
NSN: 5306-01-595-4182
NIINs: 015954182, 016148475
FSC: 5306 — Bolts
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
end_item_identificationCF34-10E
part_name_assigned_by_controlling_agencyBOLT, MACHINE, DOUBLE
NSN5306-01-595-4182
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AS3251-14 · 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
•
HEAD HEIGHT: 0.213 INCHES MINIMUM AND 0.293 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: DOUBLE HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
•
THREAD CLASS: 3A A
•
THREAD QUANTITY PER INCH: 28
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.213 INCHES MINIMUM AND 0.293 INCHES MAXIMUM IN
FASTENER LENGTH0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEDOUBLE HEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
THREAD CLASS3A A
THREAD QUANTITY PER INCH28
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ)
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS3251-14?
AS3251-14 is a BOLT,MACHINE.
What is the NSN for AS3251-14?
AS3251-14 is cataloged in the U.S. Government catalog under NSN 5306-01-595-4182. 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.