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12916783 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12916783: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.157 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.350 INCHES NOMINAL IN, shoulder_shape: ROUND OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-330-7578, 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
12916783
NSN: 5305-01-330-7578
FSC: 5305 — Screws
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.157 INCHES NOMINAL IN
thread_class2A A
thread_length0.350 INCHES NOMINAL IN
shoulder_shapeROUND OVERALL
fastener_length0.600 INCHES NOMINAL IN
shoulder_length0.250 INCHES NOMINAL OVERALL IN
thread_directionRIGHT-HAND
shoulder_diameter0.248 INCHES NOMINAL OVERALL IN
width_between_flats4.330 INCHES NOMINAL IN
internal_drive_styleW/O INTERNAL DRIVE
NSN5305-01-330-7578
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12916783 · 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: 0.157 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.600 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.250 INCHES NOMINAL OVERALL IN
•
SHOULDER DIAMETER: 0.248 INCHES NOMINAL OVERALL IN
•
THREAD LENGTH: 0.350 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.157 INCHES NOMINAL IN
FASTENER LENGTH0.600 INCHES NOMINAL IN
SHOULDER LENGTH0.250 INCHES NOMINAL OVERALL IN
SHOULDER DIAMETER0.248 INCHES NOMINAL OVERALL IN
THREAD LENGTH0.350 INCHES NOMINAL IN
SHOULDER SHAPEROUND OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS4.330 INCHES NOMINAL 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12916783?
12916783 is a SCREW,SHOULDER.
What is the NSN for 12916783?
12916783 is cataloged in the U.S. Government catalog under NSN 5305-01-330-7578. 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.