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SI4394218-201 — STUD,CONTINUOUS THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SI4394218-201: STUD,CONTINUOUS THREAD.

The STUD,CONTINUOUS THREAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340, overall_length: 4.250 INCHES NOMINAL IN, nominal_thread_size: 1.750 INCHES LOCATION NOT OTHERWISE SPECIFIED IN, thread_series_designator: ACME LOCATION NOT OTHERWISE SPECIFIED. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-486-1823, 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
SI4394218-201
NSN: 5307-01-486-1823
FSC: 5307 — Studs
CAGE: 19494 — SEYER INDUSTRIES, INC. DBA SEYER INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL COMP 4340
overall_length4.250 INCHES NOMINAL IN
nominal_thread_size1.750 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
thread_series_designatorACME LOCATION NOT OTHERWISE SPECIFIED
NSN5307-01-486-1823
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SI4394218-201 · 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
•
NOMINAL THREAD SIZE: 1.750 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
•
MATERIAL: STEEL COMP 4340
•
THREAD SERIES DESIGNATOR: ACME LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS
OVERALL LENGTH4.250 INCHES NOMINAL IN
NOMINAL THREAD SIZE1.750 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
MATERIALSTEEL COMP 4340
THREAD SERIES DESIGNATORACME LOCATION NOT OTHERWISE SPECIFIED
OTHER ITEMS IN FSC 5307 — Studs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625
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 SI4394218-201?
SI4394218-201 is a STUD,CONTINUOUS THREAD.
What is the NSN for SI4394218-201?
SI4394218-201 is cataloged in the U.S. Government catalog under NSN 5307-01-486-1823. 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.