PartsTable
Technical Data Sheet
20309GS91SS ✓ 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 OVERALL, bonnet_type: INSIDE SCREW, thread_class: 2A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: PLAIN (TUBE) ALL ENDS, style_designator: ANGLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-111-1360, 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
20309GS91SS
NSN: 4820-01-111-1360
FSC: 4820
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
bonnet_typeINSIDE SCREW
thread_class2A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_stylePLAIN (TUBE) ALL ENDS
style_designatorANGLE
thread_directionRIGHT-HAND ALL ENDS
flow_control_deviceDISK
nominal_thread_size1.625 INCHES ALL ENDS IN
valve_operation_methodAUTOMATIC
bonnet_attachment_methodTHREADED
thread_quantity_per_inch16 ALL ENDS
NSN4820-01-111-1360
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 20309GS91SS · 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 TUBE ALL ENDS
BONNET TYPE: INSIDE SCREW
VALVE OPERATION METHOD: AUTOMATIC
FLOW CONTROL DEVICE: DISK
ADJUSTABLE PRESSURE RANGE: +82.0 TO 102.0 POUNDS PER SQUARE INCH LBS
THREAD QUANTITY PER INCH: 16 ALL ENDS
THREAD SERIES DESIGNATOR: UN ALL ENDS
NOMINAL THREAD SIZE: 1.625 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
BONNET TYPEINSIDE SCREW
VALVE OPERATION METHODAUTOMATIC
FLOW CONTROL DEVICEDISK
ADJUSTABLE PRESSURE RANGE+82.0 TO 102.0 POUNDS PER SQUARE INCH LBS
THREAD QUANTITY PER INCH16 ALL ENDS
THREAD SERIES DESIGNATORUN ALL ENDS
NOMINAL THREAD SIZE1.625 INCHES ALL ENDS IN
THREAD DIRECTIONRIGHT-HAND ALL ENDS
BONNET ATTACHMENT METHODTHREADED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
H20309Interchangeable
interchangeable cross-reference
interchangeable
19616Interchangeable
interchangeable cross-reference
interchangeable
19917Interchangeable
interchangeable cross-reference
interchangeable
M2-330-75-1C13Interchangeable
interchangeable cross-reference
interchangeable
10106624Interchangeable
interchangeable cross-reference
interchangeable
20309Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20309GS91SS?
20309GS91SS is a VALVE,SAFETY RELIEF.
What parts can replace 20309GS91SS?
There are 18 known substitutes for 20309GS91SS: H20309, 19616, 19917 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20309GS91SS?
20309GS91SS is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-111-1360. This indicates validated use in U.S. government and defense supply chains.
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