PartsTable
Technical Data Sheet
Download PDF

12340259 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12340259: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON EXTENDED WASHER, head_height: 0.306 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.490 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN, shoulder_shape: ROUND OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-254-2522, 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
12340259
NSN: 5305-01-254-2522
NIINs: 012542522, 015970624
FSC: 5305 — Screws
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON EXTENDED WASHER
head_height0.306 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
thread_class2A A
thread_length1.490 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
shoulder_shapeROUND OVERALL
fastener_length1.750 INCHES NOMINAL IN
shoulder_length0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM OVERALL IN
thread_directionRIGHT-HAND
shoulder_diameter0.562 INCHES NOMINAL OVERALL IN
surface_treatmentCHROMATE AND ZINC OVERALL
width_between_flats0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
NSN5305-01-254-2522
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12340259 · 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
SUBSTITUTES & CROSS-REFERENCES 1
5595665Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 12340259?
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 12340259?
12340259 is a BOLT,SHOULDER.
What parts can replace 12340259?
There is 1 known substitute for 12340259: 5595665. Substitute compatibility should be verified for your specific system.
What is the NSN for 12340259?
12340259 is cataloged in the U.S. Government catalog under NSN 5305-01-254-2522. 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 — 12340259

✓ 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.