PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NS40381-1/2INValve,check

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-087-7065 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-087-7065 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-087-7065. Primary manufacturer part number: NS40381-1/2IN.
Features
  • Valve,check — FSC 4820
  • 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
  • Material: COPPER ALLOY 905 BODY
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 905 and Rubber Butadiene-Acrylonitrile Class Nbr Flow Control Device construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-087-7065, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-087-7065
Primary Part NumberNS40381-1/2IN
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
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
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
Disk Loading MethodWEIGHT
Mounting PositionHORIZONTAL
Connection StyleSOCKET WITH BRAZING RING (PIPE) ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4820-01-062-856390227-000 INTERCHANGEABLE
Valve,check
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-062-86672620-927X1ASSY8AA1-4IN INTERCHANGEABLE
Valve,check
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-093-9213845-2110235 PC 4, 3/4 IN SZ INTERCHANGEABLE
Cap,valve
Naval Ship Systems Command
4820-01-125-974690090002 INTERCHANGEABLE
Valve,check
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
SS845-2110235 Naval Sea Systems Command (USA)
9082-000 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
90082000 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
NS40381-1/2IN PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
SS845-2110235AS Naval Sea Systems Command (USA)
NS40381-1/2IN National Oilwell (USA)
SS845-2110235REVAASSY8FA1 1-2 PRIMARY Naval Sea Systems Command (USA)
Related Parts
4820-01-062-8563INTERCHANGEABLE
VALVE,CHECK
90227-000
4820-01-062-8667INTERCHANGEABLE
VALVE,CHECK
2620-927X1ASSY8AA1-4IN
4820-01-093-9213INTERCHANGEABLE
CAP,VALVE
845-2110235 PC 4, 3/4 IN SZ
4820-01-125-9746INTERCHANGEABLE
VALVE,CHECK
90090002

Frequently Asked Questions

What is NSN 4820-01-087-7065?

NSN 4820-01-087-7065 is a Valve,check, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-087-7065?

NSN 4820-01-087-7065 has 7 cross-referenced part numbers: SS845-2110235 (Naval Sea Systems Command), 9082-000 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 90082000 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), NS40381-1/2IN (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), SS845-2110235AS (Naval Sea Systems Command) and 2 more.

What NSN replaces 4820-01-087-7065?

There are 4 known substitutes for 4820-01-087-7065: 4820-01-062-8563, 4820-01-062-8667, 4820-01-093-9213 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NS40381-1/2IN?

Key specifications for NS40381-1/2IN: 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. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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