PartsTable
Technical Data Sheet
381-1 PL0851 ✓ 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,ANGLE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, bonnet_type: INSIDE SCREW, thread_class: 2A FIRST END A, style_designator: ANGLE, thread_direction: RIGHT-HAND FIRST END, features_provided: BONNET PACKING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-070-6924, 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
381-1 PL0851
NSN: 4820-00-070-6924
FSC: 4820
CAGE: 99565 — ADMIRAL VALVE LLC DBA CPV MANUFACTURING (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
bonnet_typeINSIDE SCREW
thread_class2A FIRST END A
style_designatorANGLE
thread_directionRIGHT-HAND FIRST END
features_providedBONNET PACKING
operating_pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
nominal_thread_size1.188 INCHES FIRST END IN
maximum_operating_temp275.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodMANUAL
bonnet_attachment_methodTHREADED
NSN4820-00-070-6924
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 381-1 PL0851 · 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
BONNET ATTACHMENT METHOD: THREADED
MAXIMUM OPERATING TEMP: 275.0 FAHRENHEIT SINGLE RESPONSE DEGF
MATERIAL: NICKEL ALLOY SEAT
VALVE OPERATION METHOD: MANUAL
BONNET TYPE: INSIDE SCREW
THREAD DIRECTION: RIGHT-HAND FIRST END
THREAD CLASS: 2A FIRST END A
TECHNICAL CHARACTERISTICS (FLIS)
BONNET ATTACHMENT METHODTHREADED
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SINGLE RESPONSE DEGF
MATERIALNICKEL ALLOY SEAT
VALVE OPERATION METHODMANUAL
MATERIALSTEEL COMP 316 STEM
BONNET TYPEINSIDE SCREW
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD CLASS2A FIRST END A
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END IN
FEATURES PROVIDEDBONNET PACKING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
381-1Interchangeable
interchangeable cross-reference
interchangeable
UG477UInterchangeable
interchangeable cross-reference
interchangeable
SN4508PCDE50634Interchangeable
interchangeable cross-reference
interchangeable
76216AInterchangeable
interchangeable cross-reference
interchangeable
3812AInterchangeable
interchangeable cross-reference
interchangeable
E-3213-2PC3811Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 381-1 PL0851?
381-1 PL0851 is a VALVE,ANGLE.
What parts can replace 381-1 PL0851?
There are 13 known substitutes for 381-1 PL0851: 381-1, UG477U, SN4508PCDE50634 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 381-1 PL0851?
381-1 PL0851 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-070-6924. This indicates validated use in U.S. government and defense supply chains.
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