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803418-4 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

803418-4: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include thread_length: 0.375 INCHES NOMINAL IN, locking_feature: PATCH LOCKING FEATURE, nominal_thread_diameter: 0.250 INCHES IN, thread_quantity_per_inch: 28. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-445-4197, 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
803418-4
NSN: 5305-01-445-4197
FSC: 5305 — Screws
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
thread_length0.375 INCHES NOMINAL IN
locking_featurePATCH LOCKING FEATURE
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch28
NSN5305-01-445-4197
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 803418-4 · 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
•
THREAD LENGTH: 0.375 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
LOCKING FEATURE: PATCH LOCKING FEATURE
•
THREAD QUANTITY PER INCH: 28
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.375 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
LOCKING FEATUREPATCH LOCKING FEATURE
THREAD QUANTITY PER INCH28
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 803418-4?
803418-4 is a SETSCREW.
What is the NSN for 803418-4?
803418-4 is cataloged in the U.S. Government catalog under NSN 5305-01-445-4197. 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.