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12387306-10 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12387306-10: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT CHAMFER, head_height: 0.209 INCHES MINIMUM IN, thread_class: 3A A, head_diameter: 0.429 INCHES NOMINAL IN, thread_length: 0.428 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-463-5054, 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
12387306-10
NSN: 5305-01-463-5054
FSC: 5305 — Screws
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT CHAMFER
head_height0.209 INCHES MINIMUM IN
thread_class3A A
head_diameter0.429 INCHES NOMINAL IN
thread_length0.428 INCHES MINIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.168 INCHES NOMINAL IN
shoulder_length0.750 INCHES MINIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.309 INCHES NOMINAL FIRST SHOULDER IN
surface_treatmentCHROMATE OVERALL
NSN5305-01-463-5054
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12387306-10 · 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: 0.156 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.209 INCHES MINIMUM IN
•
FASTENER LENGTH: 1.168 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.750 INCHES MINIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-STD-171, 1.9.2.3 MIL STD ALL TREATMENT RESPONSES OVERALL
•
SHOULDER DIAMETER: 0.309 INCHES NOMINAL FIRST SHOULDER IN
•
THREAD LENGTH: 0.428 INCHES MINIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.156 INCHES NOMINAL IN
HEAD HEIGHT0.209 INCHES MINIMUM IN
FASTENER LENGTH1.168 INCHES NOMINAL IN
SHOULDER LENGTH0.750 INCHES MINIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171, 1.9.2.3 MIL STD ALL TREATMENT RESPONSES OVERALL
SHOULDER DIAMETER0.309 INCHES NOMINAL FIRST SHOULDER IN
THREAD LENGTH0.428 INCHES MINIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT CHAMFER
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
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 12387306-10?
12387306-10 is a SCREW,SHOULDER.
What is the NSN for 12387306-10?
12387306-10 is cataloged in the U.S. Government catalog under NSN 5305-01-463-5054. 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.