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Technical Data Sheet
PartsTable / COMPONENT / NS40381-1/2IN
NS40381-1/2IN ✓ 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 NS40381-1/2IN is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-087-7065, 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
Part NumberNS40381-1/2IN
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 (FLIS)
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 1-4INInterchangeable
interchangeable cross-reference
interchangeable
SS845-2110235-ASSY-8EA-1-1/4Interchangeable
interchangeable cross-reference
interchangeable
SS845-2110235ASSY8EAInterchangeable
interchangeable cross-reference
interchangeable
2620-927X1ASSY8AA1-4INInterchangeable
interchangeable cross-reference
interchangeable
845-2110235 ASSInterchangeable
interchangeable cross-reference
interchangeable
2620-927X1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NS40381-1/2IN?
NS40381-1/2IN is a NS40381-1/2IN.
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 (FLIS) under NSN 4820-01-087-7065. 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