PartsTable
Technical Data Sheet
Download PDF

AS3238-12 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AS3238-12: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: DOUBLE HEXAGON W/HOLE, grip_length: 0.025 INCHES NOMINAL IN, head_height: 0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-711-2194, 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
AS3238-12
NSN: 5306-01-711-2194
FSC: 5306 — Bolts
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
head_styleDOUBLE HEXAGON W/HOLE
grip_length0.025 INCHES NOMINAL IN
head_height0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
thread_class3A A
thread_length0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
fastener_length0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
width_between_flats0.3750 INCHES NOMINAL IN
end_item_identificationT408-GE-400 ENGINE
nominal_thread_diameter0.3125 INCHES IN
extended_washer_diameter0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
NSN5306-01-711-2194
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AS3238-12 · 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 IN
•
HEAD HEIGHT: 0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AS3238 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.3125 INCHES IN
•
HEAD STYLE: DOUBLE HEXAGON W/HOLE
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.070 INCHES MINIMUM IN
HEAD HEIGHT0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
FASTENER LENGTH0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
THREAD LENGTH0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAS3238 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.3125 INCHES IN
HEAD STYLEDOUBLE HEXAGON W/HOLE
THREAD DIRECTIONRIGHT-HAND
SPECIFICATION/STANDARD DATA0U583-AS3238 INTERNATIONAL STD/SPEC
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: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy AS3238-12?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is AS3238-12?
AS3238-12 is a BOLT,MACHINE.
What is the NSN for AS3238-12?
AS3238-12 is cataloged in the U.S. Government catalog under NSN 5306-01-711-2194. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — AS3238-12

✓ 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.