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Technical Data Sheet
PartsTable / COMPONENT / 3591-4CNX375
3591-4CNX375 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The INSERT,SCREW THREAD is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-829-2141, 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
3591-4CNX375
NSN: 5325-00-829-2141
FSC: 5325
CAGE: 03350 — GENERAL ELECTRIC COMPANY DBA GE STRUCTURED SERVICES DIV GENERAL ELECTRIC STRUCTURED SERVICES, LP (USA)
SPECIFICATIONS
Part Number3591-4CNX375
NSN5325-00-829-2141
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3591-4CNX375 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
431230Interchangeable
interchangeable cross-reference
interchangeable
218085Interchangeable
interchangeable cross-reference
interchangeable
10-30533-1Interchangeable
interchangeable cross-reference
interchangeable
185993Interchangeable
interchangeable cross-reference
interchangeable
2-218-B-085Interchangeable
interchangeable cross-reference
interchangeable
310196Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3591-4CNX375?
3591-4CNX375 is a INSERT,SCREW THREAD.
What parts can replace 3591-4CNX375?
There are 14 known substitutes for 3591-4CNX375: 431230, 218085, 10-30533-1 and 11 more. Substitute compatibility should be verified for your specific system.
Is 3591-4CNX375 still available?
3591-4CNX375 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026