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Technical Data Sheet
PartsTable / COMPONENT / 20134V51M
20134V51M ✓ 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: NICKEL ALLOY SEAT, bonnet_type: INSIDE SPRING, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: STREAMLINED WITH ONE BRAZING RING (TUBE) ALL ENDS, style_designator: ANGLE, operating_pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-162-7083, 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
20134V51M
NSN: 4820-01-162-7083
FSC: 4820
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialNICKEL ALLOY SEAT
bonnet_typeINSIDE SPRING
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_styleSTREAMLINED WITH ONE BRAZING RING (TUBE) ALL ENDS
style_designatorANGLE
operating_pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceDISK
maximum_operating_temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC
bonnet_attachment_methodBOLTED
adjustable_pressure_range+271.0 TO 300.0 POUNDS PER SQUARE INCH LBS
NSN4820-01-162-7083
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20134V51M · 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: NICKEL ALLOY SEAT
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.250 INCHES ALL ENDS IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
•
STYLE DESIGNATOR: ANGLE
•
FLOW CONTROL DEVICE: DISK
•
MAXIMUM OPERATING TEMP: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALNICKEL ALLOY SEAT
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.250 INCHES ALL ENDS IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATORANGLE
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SINGLE RESPONSE DEGF
VALVE OPERATION METHODAUTOMATIC
CONNECTION STYLESTREAMLINED WITH ONE BRAZING RING (TUBE) ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
310-RTInterchangeable
interchangeable cross-reference
interchangeable
25210Interchangeable
interchangeable cross-reference
interchangeable
1302Interchangeable
interchangeable cross-reference
interchangeable
120 3/4Interchangeable
interchangeable cross-reference
interchangeable
2510 3/4Interchangeable
interchangeable cross-reference
interchangeable
20134Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20134V51M?
20134V51M is a VALVE,SAFETY RELIEF.
What parts can replace 20134V51M?
There are 12 known substitutes for 20134V51M: 310-RT, 25210, 1302 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20134V51M?
20134V51M is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-162-7083. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026