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Technical Data Sheet
PartsTable / COMPONENT / 3591-3CNX190
3591-3CNX190 ✓ 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: 0.190 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, insert_size: 0.236 IN. MIN TO 0.256 IN.

MAX EXTERNAL THD DATA IN, special_features: DYED RED,4-1/8 FREE COILS, style_designator: COIL, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-684-9431, 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
3591-3CNX190
NSN: 5325-00-684-9431
FSC: 5325
CAGE: 01556 — STANLEY ENGINEERED FASTENING LLC (USA)
SPECIFICATIONS
length0.190 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
insert_size0.236 IN. MIN TO 0.256 IN. MAX EXTERNAL THD DATA IN
special_featuresDYED RED,4-1/8 FREE COILS
style_designatorCOIL
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.190 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNF
NSN5325-00-684-9431
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3591-3CNX190 · 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 QUANTITY PER INCH: 32
•
STYLE DESIGNATOR: COIL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
THREAD SERIES DESIGNATOR: UNF
•
LENGTH: 0.190 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
INSERT SIZE: 0.236 IN. MIN TO 0.256 IN. MAX EXTERNAL THD DATA IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH32
STYLE DESIGNATORCOIL
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
THREAD SERIES DESIGNATORUNF
LENGTH0.190 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.190 INCHES IN
INSERT SIZE0.236 IN. MIN TO 0.256 IN. MAX EXTERNAL THD DATA IN
SPECIAL FEATURESDYED RED,4-1/8 FREE COILS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
5325PL0789084Interchangeable
interchangeable cross-reference
interchangeable
Z00.N7282061010TBMInterchangeable
interchangeable cross-reference
interchangeable
TFL-3C-0190Interchangeable
interchangeable cross-reference
interchangeable
50203DInterchangeable
Same NIIN cross-reference
interchangeable
10018597-002Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3591-3CNX190?
3591-3CNX190 is a INSERT,SCREW THREAD.
What parts can replace 3591-3CNX190?
There are 5 known substitutes for 3591-3CNX190: 5325PL0789084, Z00.N7282061010TBM, TFL-3C-0190 and 2 more. Substitute compatibility should be verified for your specific system.
Is 3591-3CNX190 still available?
3591-3CNX190 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