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Technical Data Sheet
PartsTable / COMPONENT / 591-600
591-600 ✓ 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 STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_length: 10.125 INCHES NOMINAL IN, largest_outside_diameter: 1.367 INCHES NOMINAL 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 4820-00-950-1889, 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
591-600
NSN: 4820-00-950-1889
FSC: 4820
CAGE: 9E328 — STEWARD MACHINE CO INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_length10.125 INCHES NOMINAL IN
largest_outside_diameter1.367 INCHES NOMINAL IN
NSN4820-00-950-1889
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 591-600 · 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
•
MATERIAL: STEEL CORROSION RESISTING
•
LARGEST OUTSIDE DIAMETER: 1.367 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH10.125 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
LARGEST OUTSIDE DIAMETER1.367 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
591-598Interchangeable
interchangeable cross-reference
interchangeable
402-1318-00Interchangeable
interchangeable cross-reference
interchangeable
CRS10Interchangeable
interchangeable cross-reference
interchangeable
60591Interchangeable
interchangeable cross-reference
interchangeable
PA6264Interchangeable
interchangeable cross-reference
interchangeable
1249240Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 591-600?
591-600 is a STEM,FLUID VALVE.
What parts can replace 591-600?
There are 24 known substitutes for 591-600: 591-598, 402-1318-00, CRS10 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 591-600?
591-600 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-950-1889. 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