PartsTable
Technical Data Sheet
20308-KS-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 BODY, bonnet_type: INSIDE SCREW, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, style_designator: ANGLE, thread_direction: RIGHT-HAND ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-182-7729, 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
20308-KS-91SS
NSN: 4820-01-182-7729
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialSTEEL BODY
bonnet_typeINSIDE SCREW
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorANGLE
thread_directionRIGHT-HAND ALL ENDS
operating_pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
nominal_thread_size1.000 INCHES ALL ENDS IN
valve_operation_methodAUTOMATIC
bonnet_attachment_methodBOLTED
thread_series_designatorNPT ALL ENDS
NSN4820-01-182-7729
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 20308-KS-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: THREADED EXTERNAL PIPE ALL ENDS
THREAD SERIES DESIGNATOR: NPT ALL ENDS
NOMINAL THREAD SIZE: 1.000 INCHES ALL ENDS IN
STYLE DESIGNATOR: ANGLE
MATERIAL: STEEL BODY
BONNET ATTACHMENT METHOD: BOLTED
BONNET TYPE: INSIDE SCREW
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL THREAD SIZE1.000 INCHES ALL ENDS IN
STYLE DESIGNATORANGLE
MATERIALSTEEL BODY
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SCREW
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
OPERATING PRESSURE1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
33-101Interchangeable
interchangeable cross-reference
interchangeable
1137HX2Interchangeable
interchangeable cross-reference
interchangeable
33-100Interchangeable
interchangeable cross-reference
interchangeable
20308Interchangeable
interchangeable cross-reference
interchangeable
68582861Interchangeable
interchangeable cross-reference
interchangeable
1131787-14Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20308-KS-91SS?
20308-KS-91SS is a VALVE,SAFETY RELIEF.
What parts can replace 20308-KS-91SS?
There are 19 known substitutes for 20308-KS-91SS: 33-101, 1137HX2, 33-100 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20308-KS-91SS?
20308-KS-91SS is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-182-7729. This indicates validated use in U.S. government and defense supply chains.
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