PartsTable
Technical Data Sheet
Download PDF

12283220 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12283220: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140H OVERALL, head_style: HEXAGON, head_height: 0.245 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.315 INCHES NOMINAL IN, shoulder_shape: ROUND ALL SHOULDERS. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-073-3122, 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
12283220
NSN: 5306-01-073-3122
FSC: 5306 — Bolts
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL COMP 4140H OVERALL
head_styleHEXAGON
head_height0.245 INCHES NOMINAL IN
thread_class2A A
thread_length0.315 INCHES NOMINAL IN
shoulder_shapeROUND ALL SHOULDERS
fastener_length2.195 INCHES NOMINAL IN
hardness_rating35.0 ROCKWELL C NOMINAL OVERALL
shoulder_length1.015 INCHES NOMINAL SECOND SHOULDER IN
special_featuresMAGNETIC PARTICLE INSPECT PER SPEC MIL-I-6868 NO CRACKS ALLOWED
thread_directionRIGHT-HAND
shoulder_diameter0.550 INCHES NOMINAL FIRST SHOULDER IN
NSN5306-01-073-3122
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12283220 · 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: 0.245 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.195 INCHES NOMINAL IN
•
SHOULDER LENGTH: 1.015 INCHES NOMINAL SECOND SHOULDER IN
•
SHOULDER DIAMETER: 0.347 INCHES NOMINAL SECOND SHOULDER IN
•
THREAD LENGTH: 0.315 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND ALL SHOULDERS
•
HARDNESS RATING: 35.0 ROCKWELL C NOMINAL OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.245 INCHES NOMINAL IN
FASTENER LENGTH2.195 INCHES NOMINAL IN
SHOULDER LENGTH1.015 INCHES NOMINAL SECOND SHOULDER IN
SHOULDER DIAMETER0.347 INCHES NOMINAL SECOND SHOULDER IN
SHOULDER DIAMETER0.550 INCHES NOMINAL FIRST SHOULDER IN
THREAD LENGTH0.315 INCHES NOMINAL IN
SHOULDER SHAPEROUND ALL SHOULDERS
HARDNESS RATING35.0 ROCKWELL C NOMINAL OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEHEXAGON
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 12283220?
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 12283220?
12283220 is a BOLT,SHOULDER.
What is the NSN for 12283220?
12283220 is cataloged in the U.S. Government catalog under NSN 5306-01-073-3122. 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 — 12283220

✓ 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.