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Technical Data Sheet
PartsTable / COMPONENT / 3591-6CN750
3591-6CN750 ✓ 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. Key specifications include length: 0.750 INCHES NOMINAL IN, material: STEEL COMP 302 OR STEEL COMP 304 OVERALL, insert_size: 0.448 IN.MIN,0.468 IN.MAX IN, style_designator: COIL, thread_direction: RIGHT-HAND, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-678-3311, 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
3591-6CN750
NSN: 5325-00-678-3311
FSC: 5325
CAGE: 01556 — STANLEY ENGINEERED FASTENING LLC (USA)
SPECIFICATIONS
length0.750 INCHES NOMINAL IN
materialSTEEL COMP 302 OR STEEL COMP 304 OVERALL
insert_size0.448 IN.MIN,0.468 IN.MAX IN
style_designatorCOIL
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
material_document_and_classificationAISI/SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5325-00-678-3311
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3591-6CN750 · 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
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
STYLE DESIGNATOR: COIL
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL: STEEL COMP 302 OR STEEL COMP 304 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI/SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
LENGTH: 0.750 INCHES NOMINAL IN
•
INSERT SIZE: 0.448 IN.MIN,0.468 IN.MAX IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTPASSIVATE OVERALL
STYLE DESIGNATORCOIL
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 302 OR STEEL COMP 304 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI/SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
LENGTH0.750 INCHES NOMINAL IN
INSERT SIZE0.448 IN.MIN,0.468 IN.MAX IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
382706-2Interchangeable
interchangeable cross-reference
interchangeable
218079Interchangeable
interchangeable cross-reference
interchangeable
749797-34Interchangeable
interchangeable cross-reference
interchangeable
MS2120F6-20Interchangeable
Same NIIN cross-reference
interchangeable
209F6-0750Interchangeable
Same NIIN cross-reference
interchangeable
3591-6CNX3-4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3591-6CN750?
3591-6CN750 is a INSERT,SCREW THREAD.
What parts can replace 3591-6CN750?
There are 12 known substitutes for 3591-6CN750: 382706-2, 218079, 749797-34 and 9 more. Substitute compatibility should be verified for your specific system.
Is 3591-6CN750 still available?
3591-6CN750 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