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NS40381-1/2IN — Technical Data Sheet

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— · 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,CHECK is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET WITH BRAZING RING (PIPE) ALL ENDS, style_designator: STRAIGHT THRU, mounting_position: HORIZONTAL, operating_pressure: 700.0 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 under NSN 4820-01-087-7065, 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
NS40381-1/2IN
NSN: 4820-01-087-7065
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSOCKET WITH BRAZING RING (PIPE) ALL ENDS
style_designatorSTRAIGHT THRU
mounting_positionHORIZONTAL
operating_pressure700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodWEIGHT
flow_control_deviceDISK
maximum_operating_temp160.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC
media_for_which_designedWATER-OIL-GAS SINGLE RESPONSE
nominal_pipe_size_accommodated1.500 INCHES ALL ENDS IN
NSN4820-01-087-7065
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NS40381-1/2IN · 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
•
VALVE OPERATION METHOD: AUTOMATIC
•
FLOW CONTROL DEVICE: DISK
•
NOMINAL PIPE SIZE ACCOMMODATED: 1.500 INCHES ALL ENDS IN
•
MATERIAL: COPPER ALLOY 905 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
•
MAXIMUM OPERATING TEMP: 160.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
TECHNICAL CHARACTERISTICS
VALVE OPERATION METHODAUTOMATIC
FLOW CONTROL DEVICEDISK
NOMINAL PIPE SIZE ACCOMMODATED1.500 INCHES ALL ENDS IN
MATERIALCOPPER ALLOY 905 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP160.0 FAHRENHEIT SINGLE RESPONSE DEGF
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
MATERIALCOPPER ALLOY 905 BODY
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
3111REV7 1 1-4INInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SS845-2110235-ASSY-8EA-1-1/4InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SS845-2110235ASSY8EAInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2620-927X1ASSY8AA1-4INInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
845-2110235 ASSInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2620-927X1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NS40381-1/2IN?
NS40381-1/2IN is a VALVE,CHECK.
What parts can replace NS40381-1/2IN?
There are 14 known substitutes for NS40381-1/2IN: 3111REV7 1 1-4IN, SS845-2110235-ASSY-8EA-1-1/4, SS845-2110235ASSY8EA and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NS40381-1/2IN?
NS40381-1/2IN is cataloged in the Federal Logistics Information System under NSN 4820-01-087-7065. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: October 2026