PartsTable
Technical Data Sheet
20031A01S0051 ✓ 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

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include material: COPPER ALLOY STEM, bonnet_type: INSIDE SPRING, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET WITH BRAZING RING ALL ENDS, style_designator: ANGLE, disk_loading_method: SPRING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-086-2834, 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
20031A01S0051
NSN: 4820-01-086-2834
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialCOPPER ALLOY STEM
bonnet_typeINSIDE SPRING
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSOCKET WITH BRAZING RING ALL ENDS
style_designatorANGLE
disk_loading_methodSPRING
flow_control_deviceDISK
valve_operation_methodAUTOMATIC
bonnet_attachment_methodBOLTED
adjustable_pressure_range+51.0 TO 70.0 POUNDS PER SQUARE INCH LBS
furnished_items_and_quantity2 BRAZING RING
nominal_pipe_size_accommodated0.750 INCHES ALL ENDS IN
NSN4820-01-086-2834
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 20031A01S0051 · 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 SEAT
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
CONNECTION TYPE: UNTHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATOR: ANGLE
CONNECTION STYLE: SOCKET WITH BRAZING RING ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIALCOPPER ALLOY STEM
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATORANGLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
CONNECTION STYLESOCKET WITH BRAZING RING ALL ENDS
FURNISHED ITEMS AND QUANTITY2 BRAZING RING
MATERIALCOPPER ALLOY BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
5436-020Interchangeable
interchangeable cross-reference
interchangeable
670-7Interchangeable
interchangeable cross-reference
interchangeable
37TB31FInterchangeable
interchangeable cross-reference
interchangeable
X13073Interchangeable
interchangeable cross-reference
interchangeable
15BC02Interchangeable
interchangeable cross-reference
interchangeable
110 31/64Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20031A01S0051?
20031A01S0051 is a RESISTOR,VARIABLE,NONWIRE WOUND,.
What parts can replace 20031A01S0051?
There are 21 known substitutes for 20031A01S0051: 5436-020, 670-7, 37TB31F and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20031A01S0051?
20031A01S0051 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-086-2834. This indicates validated use in U.S. government and defense supply chains.
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