PartsTable
Technical Data Sheet
1890-9C08 ✓ 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,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OR RUBBER SYNTHETIC FLOW CONTROL DEVICE, bonnet_type: INSIDE SPRING, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) FIRST END, style_designator: ANGLE, thread_direction: RIGHT-HAND FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-879-3078, 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
1890-9C08
NSN: 4820-00-879-3078
FSC: 4820
CAGE: 07188 — UNION CARBIDE CORP LINDE DIV
SPECIFICATIONS
materialCOPPER ALLOY OR RUBBER SYNTHETIC FLOW CONTROL DEVICE
bonnet_typeINSIDE SPRING
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_stylePLAIN (PIPE) FIRST END
style_designatorANGLE
thread_directionRIGHT-HAND FIRST END
features_providedVALVE STEM LOCK SHIELD
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size0.250 INCHES FIRST END IN
valve_operation_methodAUTOMATIC OR MANUAL
bonnet_attachment_methodTHREADED
NSN4820-00-879-3078
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 1890-9C08 · 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: COPPER ALLOY STEM
FEATURES PROVIDED: VALVE STEM LOCK SHIELD
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
NOMINAL PIPE SIZE ACCOMMODATED: 0.250 INCHES FIRST END IN
DISK LOADING METHOD: SPRING
BONNET TYPE: INSIDE SPRING
CONNECTION STYLE: PLAIN (PIPE) FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY STEM
MATERIALCOPPER ALLOY BODY
FEATURES PROVIDEDVALVE STEM LOCK SHIELD
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES FIRST END IN
DISK LOADING METHODSPRING
BONNET TYPEINSIDE SPRING
CONNECTION STYLEPLAIN (PIPE) FIRST END
BONNET ATTACHMENT METHODTHREADED
MATERIALCOPPER ALLOY SEAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
9422Interchangeable
interchangeable cross-reference
interchangeable
622-01 REDInterchangeable
interchangeable cross-reference
interchangeable
UB101-REDInterchangeable
interchangeable cross-reference
interchangeable
9400 PIECE 20Interchangeable
interchangeable cross-reference
interchangeable
7688Interchangeable
interchangeable cross-reference
interchangeable
WWD60HSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1890-9C08?
1890-9C08 is a VALVE,SAFETY RELIEF.
What parts can replace 1890-9C08?
There are 11 known substitutes for 1890-9C08: 9422, 622-01 RED, UB101-RED and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1890-9C08?
1890-9C08 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-879-3078. This indicates validated use in U.S. government and defense supply chains.
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