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12283421 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12283421: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEADLESS (SETSCREW), point_style: FLAT, point_length: 0.450 INCHES NOMINAL IN, fastener_length: 0.870 INCHES NOMINAL IN, special_features: USED ON M1. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-100-8140, 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
12283421
NSN: 5305-01-100-8140
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_styleHEADLESS (SETSCREW)
point_styleFLAT
point_length0.450 INCHES NOMINAL IN
fastener_length0.870 INCHES NOMINAL IN
special_featuresUSED ON M1
thread_directionRIGHT-HAND
width_across_flats0.188 INCHES NOMINAL IN
point_chamfer_angle45.0 DEGREES NOMINAL
internal_drive_styleHEXAGON
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-100-8140
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12283421 · 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: 0.188 INCHES NOMINAL IN
•
POINT LENGTH: 0.450 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.870 INCHES NOMINAL IN
•
POINT CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
HEAD STYLE: HEADLESS (SETSCREW)
•
THREAD DIRECTION: RIGHT-HAND
•
POINT STYLE: FLAT
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.188 INCHES NOMINAL IN
POINT LENGTH0.450 INCHES NOMINAL IN
FASTENER LENGTH0.870 INCHES NOMINAL IN
POINT CHAMFER ANGLE45.0 DEGREES NOMINAL
HEAD STYLEHEADLESS (SETSCREW)
THREAD DIRECTIONRIGHT-HAND
POINT STYLEFLAT
SPECIAL FEATURESUSED ON M1
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
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 12283421?
12283421 is a SETSCREW.
What is the NSN for 12283421?
12283421 is cataloged in the U.S. Government catalog under NSN 5305-01-100-8140. 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.