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12283289 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12283289: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, head_style: FILLISTER, head_height: 0.183 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.370 INCHES NOMINAL IN, thread_length: 0.380 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-073-3172, 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
12283289
NSN: 5305-01-073-3172
FSC: 5305 — Screws
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OVERALL
head_styleFILLISTER
head_height0.183 INCHES NOMINAL IN
thread_class2A A
head_diameter0.370 INCHES NOMINAL IN
thread_length0.380 INCHES NOMINAL IN
shoulder_shapeROUND OVERALL
fastener_length1.257 INCHES NOMINAL IN
shoulder_length0.877 INCHES NOMINAL OVERALL IN
thread_directionRIGHT-HAND
shoulder_diameter0.249 INCHES NOMINAL OVERALL IN
width_across_flats0.125 INCHES NOMINAL IN
NSN5305-01-073-3172
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12283289 · 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
•
WIDTH ACROSS FLATS: 0.125 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.183 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.257 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.877 INCHES NOMINAL OVERALL IN
•
SHOULDER DIAMETER: 0.249 INCHES NOMINAL OVERALL IN
•
THREAD LENGTH: 0.380 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND OVERALL
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.125 INCHES NOMINAL IN
HEAD HEIGHT0.183 INCHES NOMINAL IN
FASTENER LENGTH1.257 INCHES NOMINAL IN
SHOULDER LENGTH0.877 INCHES NOMINAL OVERALL IN
SHOULDER DIAMETER0.249 INCHES NOMINAL OVERALL IN
THREAD LENGTH0.380 INCHES NOMINAL IN
SHOULDER SHAPEROUND OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12283289?
12283289 is a SCREW,SHOULDER.
What is the NSN for 12283289?
12283289 is cataloged in the U.S. Government catalog under NSN 5305-01-073-3172. 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.