PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 4590N
4590N ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS, mounting_position: HORIZONTAL OR VERTICAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-139-1832, 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
4590N
NSN: 4820-01-139-1832
FSC: 4820
CAGE: 93232 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
mounting_positionHORIZONTAL OR VERTICAL
disk_loading_methodSPRING
flow_control_deviceBALL
nominal_thread_size0.250 INCHES ALL ENDS IN
valve_operation_methodAUTOMATIC
thread_series_designatorNPT ALL ENDS
NSN4820-01-139-1832
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4590N · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
MATERIAL: COPPER ALLOY SEAT
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
VALVE OPERATION METHOD: AUTOMATIC
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
•
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORNPT ALL ENDS
MATERIALCOPPER ALLOY SEAT
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
MATERIALCOPPER ALLOY BODY
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
MATERIALSTEEL FLOW CONTROL DEVICE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
1552BInterchangeable
interchangeable cross-reference
interchangeable
3327Interchangeable
interchangeable cross-reference
interchangeable
1552Interchangeable
interchangeable cross-reference
interchangeable
VAL-1552Interchangeable
Same NIIN cross-reference
interchangeable
VAL-1552BInterchangeable
Same NIIN cross-reference
interchangeable
VAL-01552BInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 4590N?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 4590N?
4590N is a VALVE,CHECK.
What parts can replace 4590N?
There are 6 known substitutes for 4590N: 1552B, 3327, 1552 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4590N?
4590N is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-139-1832. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 4590N

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026