PartsTable
Technical Data Sheet
20312-1-91SS ✓ 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: STEEL CORROSION RESISTING BODY, bonnet_type: INSIDE SCREW, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: PLAIN (TUBE) ALL ENDS, style_designator: ANGLE, flow_control_device: DISK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-193-6294, 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
20312-1-91SS
NSN: 4820-01-193-6294
FSC: 4820
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
bonnet_typeINSIDE SCREW
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_stylePLAIN (TUBE) ALL ENDS
style_designatorANGLE
flow_control_deviceDISK
valve_operation_methodAUTOMATIC
bonnet_attachment_methodBOLTED
media_for_which_designedHYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE
adjustable_pressure_range+570.0 TO 590.0 POUNDS PER SQUARE INCH LBS
nominal_outside_diameter_tube_accommodated1.500 INCHES ALL ENDS IN
NSN4820-01-193-6294
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 20312-1-91SS · 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
CONNECTION TYPE: UNTHREADED INTERNAL TUBE ALL ENDS
BONNET TYPE: INSIDE SCREW
BONNET ATTACHMENT METHOD: BOLTED
ADJUSTABLE PRESSURE RANGE: +570.0 TO 590.0 POUNDS PER SQUARE INCH LBS
STYLE DESIGNATOR: ANGLE
FLOW CONTROL DEVICE: DISK
CONNECTION STYLE: PLAIN (TUBE) ALL ENDS
MATERIAL: STEEL CORROSION RESISTING BODY
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODBOLTED
ADJUSTABLE PRESSURE RANGE+570.0 TO 590.0 POUNDS PER SQUARE INCH LBS
STYLE DESIGNATORANGLE
FLOW CONTROL DEVICEDISK
CONNECTION STYLEPLAIN (TUBE) ALL ENDS
MATERIALSTEEL CORROSION RESISTING BODY
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
700290Interchangeable
interchangeable cross-reference
interchangeable
P600Interchangeable
interchangeable cross-reference
interchangeable
319696-553Interchangeable
interchangeable cross-reference
interchangeable
78744Interchangeable
interchangeable cross-reference
interchangeable
DX5611Interchangeable
interchangeable cross-reference
interchangeable
166JXInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20312-1-91SS?
20312-1-91SS is a VALVE,SAFETY RELIEF.
What parts can replace 20312-1-91SS?
There are 20 known substitutes for 20312-1-91SS: 700290, P600, 319696-553 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20312-1-91SS?
20312-1-91SS is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-193-6294. This indicates validated use in U.S. government and defense supply chains.
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