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12331242 — BOLT,RIBBED NECK

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12331242: BOLT,RIBBED NECK.

The BOLT,RIBBED NECK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: BUTTON, rib_length: 0.594 INCHES NOMINAL IN, head_height: 0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN, rib_quantity: 12, thread_class: 2A A. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-224-6887, 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
12331242
NSN: 5306-01-224-6887
FSC: 5306 — Bolts
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleBUTTON
rib_length0.594 INCHES NOMINAL IN
head_height0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
rib_quantity12
thread_class2A A
head_diameter0.688 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN
thread_length2.204 INCHES MINIMUM AND 2.343 INCHES MAXIMUM IN
fastener_length3.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentZINC AND CHROMATE OVERALL
rib_included_angle90.0 DEGREES NOMINAL
NSN5306-01-224-6887
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12331242 · 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: 0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
•
RIB INCLUDED ANGLE: 90.0 DEGREES NOMINAL
•
FASTENER LENGTH: 3.000 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 2.204 INCHES MINIMUM AND 2.343 INCHES MAXIMUM IN
•
RIB LENGTH: 0.594 INCHES NOMINAL IN
•
RIB MINOR DIAMETER: 0.298 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
RIB INCLUDED ANGLE90.0 DEGREES NOMINAL
FASTENER LENGTH3.000 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH2.204 INCHES MINIMUM AND 2.343 INCHES MAXIMUM IN
RIB LENGTH0.594 INCHES NOMINAL IN
RIB MINOR DIAMETER0.298 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLEBUTTON
THREAD DIRECTIONRIGHT-HAND
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
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FREQUENTLY ASKED QUESTIONS
What is 12331242?
12331242 is a BOLT,RIBBED NECK.
What is the NSN for 12331242?
12331242 is cataloged in the U.S. Government catalog under NSN 5306-01-224-6887. This indicates validated use in U.S. government and defense supply chains.
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