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PartsTable / COMPONENT / 4-1590
4-1590 ✓ Verified by PartsTable
Lindy · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The MICROCIRCUIT,DIGITAL is a Lindy industrial component. Key specifications include phase: THREE INPUT, material: STEEL COMP 630 OVERALL, disk_type: DOUBLE, nut_style: HEXAGON, sterility: STERILE, body_width: 0.265 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-067-9285, 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
4-1590
NSN: 5310-00-067-9285
FSC: 5310
CAGE: 50027 — UNDERSEA SENSOR SYSTEMS INC DIV ULTRA SONOBUOY SYSTEMS (USA)
SPECIFICATIONS
phaseTHREE INPUT
materialSTEEL COMP 630 OVERALL
disk_typeDOUBLE
nut_styleHEXAGON
sterilitySTERILE
body_width0.265 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
nut_height0.195 INCHES NOMINAL IN
body_height0.199 INCHES NOMINAL IN
body_length0.755 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
design_formDISK
design_typeDIVIDED WHEEL
groove_depth0.855 INCHES MINIMUM AND 0.925 INCHES MAXIMUM IN
NSN5310-00-067-9285
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4-1590 · Lindy ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD CLASS: 3B
•
NUT STYLE: HEXAGON
•
BEARING SURFACE TYPE: WASHER FACED
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
THREAD QUANTITY PER INCH: 20
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
WIDTH ACROSS FLATS: 0.625 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 630 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3B
NUT STYLEHEXAGON
BEARING SURFACE TYPEWASHER FACED
NOMINAL THREAD SIZE0.190 INCHES IN
THREAD QUANTITY PER INCH20
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.625 INCHES NOMINAL IN
MATERIALSTEEL COMP 630 OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
02261-0064Interchangeable
interchangeable cross-reference
interchangeable
4-1590Interchangeable
interchangeable cross-reference
interchangeable
1214D0-1Interchangeable
interchangeable cross-reference
interchangeable
93436DMQBInterchangeable
interchangeable cross-reference
interchangeable
ROM/PROM FAMILY 237Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4-1590?
4-1590 is a MICROCIRCUIT,DIGITAL manufactured by Lindy.
What parts can replace 4-1590?
There are 5 known substitutes for 4-1590: 02261-0064, 4-1590, 1214D0-1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4-1590?
4-1590 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-067-9285. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026