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12387306-8 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12387306-8: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: KNURLED NO. 1, head_height: 0.209 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.419 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN, thread_length: 0.413 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-472-7167, 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
12387306-8
NSN: 5305-01-472-7167
FSC: 5305 — Screws
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleKNURLED NO. 1
head_height0.209 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.419 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
thread_length0.413 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
shoulder_shapeROUND ALL SHOULDERS
fastener_length1.063 INCHES NOMINAL IN
shoulder_length0.625 INCHES NOMINAL ALL SHOULDERS IN
special_featuresHEAD PLAIN OR KNURLED IS ACCEPTABLE;SEE SHEET 2 OF NASM51975
thread_directionRIGHT-HAND
shoulder_diameter0.308 INCHES MINIMUM AND 0.310 INCHES MAXIMUM ALL SHOULDERS IN
NSN5305-01-472-7167
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12387306-8 · 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 AND 0.219 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.063 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.625 INCHES NOMINAL ALL SHOULDERS IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPEII,CLASS2 FED SPEC 1ST TREATMENT RESPONSE OVERALL
•
SHOULDER DIAMETER: 0.308 INCHES MINIMUM AND 0.310 INCHES MAXIMUM ALL SHOULDERS IN
•
THREAD LENGTH: 0.413 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND ALL SHOULDERS
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.156 INCHES NOMINAL IN
HEAD HEIGHT0.209 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
FASTENER LENGTH1.063 INCHES NOMINAL IN
SHOULDER LENGTH0.625 INCHES NOMINAL ALL SHOULDERS IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPEII,CLASS2 FED SPEC 1ST TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER0.308 INCHES MINIMUM AND 0.310 INCHES MAXIMUM ALL SHOULDERS IN
THREAD LENGTH0.413 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
SHOULDER SHAPEROUND ALL SHOULDERS
SINGLE SHEAR STRENGTHERR-060
NOMINAL THREAD DIAMETER0.312 INCHES IN
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
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 12387306-8?
12387306-8 is a SCREW,SHOULDER.
What is the NSN for 12387306-8?
12387306-8 is cataloged in the U.S. Government catalog under NSN 5305-01-472-7167. 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.