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AS3237-14 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AS3237-14: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: DOUBLE HEXAGON W/HOLE, head_height: 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN, fastener_length: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-445-9315, 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
AS3237-14
NSN: 5306-01-445-9315
NIINs: 014459315, 014651936
FSC: 5306 — Bolts
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleDOUBLE HEXAGON W/HOLE
head_height0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
thread_class3A A
thread_length0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
fastener_length0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
hardness_rating36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
special_featuresMACH 12 PT HD-.250-28X1.00LG
thread_directionRIGHT-HAND
width_between_flats0.3125 INCHES NOMINAL IN
nominal_thread_diameter0.250 INCHES IN
extended_washer_diameter0.438 INCHES NOMINAL IN
NSN5306-01-445-9315
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AS3237-14 · 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
•
EXTENDED WASHER THICKNESS: 0.060 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 0.438 INCHES NOMINAL IN
•
THREAD LENGTH: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
•
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: DOUBLE HEXAGON W/HOLE
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.060 INCHES NOMINAL IN
HEAD HEIGHT0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
FASTENER LENGTH0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER0.438 INCHES NOMINAL IN
THREAD LENGTH0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEDOUBLE HEXAGON W/HOLE
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.3125 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
5306PL1674441Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 AS3237-14?
AS3237-14 is a BOLT,MACHINE.
What parts can replace AS3237-14?
There is 1 known substitute for AS3237-14: 5306PL1674441. Substitute compatibility should be verified for your specific system.
What is the NSN for AS3237-14?
AS3237-14 is cataloged in the U.S. Government catalog under NSN 5306-01-445-9315. 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.