PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

90090002Valve,check

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-125-9746 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-125-9746 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-125-9746. Primary manufacturer part number: 90090002.
Features
  • Valve,check — FSC 4820
  • Media for Which Designed: WATER, FRESH SINGLE RESPONSE
  • Valve Operation Method: AUTOMATIC
  • Maximum Operating Temp: 300.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
  • Nominal Pipe Size Accommodated: 0.250 INCHES ALL ENDS IN
  • Mounting Position: HORIZONTAL
  • Connection Style: STREAMLINED WITH ONE BRAZING RING (PIPE) ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-125-9746, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-125-9746
Primary Part Number90090002
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusCANCELLED
Media for Which DesignedWATER, FRESH SINGLE RESPONSE
Valve Operation MethodAUTOMATIC
Maximum Operating Temp300.0 FAHRENHEIT SINGLE RESPONSE DEGF
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Nominal Pipe Size Accommodated0.250 INCHES ALL ENDS IN
Mounting PositionHORIZONTAL
Connection StyleSTREAMLINED WITH ONE BRAZING RING (PIPE) ALL ENDS
Operating Pressure700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Flow Control DeviceDISK
Style DesignatorSTRAIGHT THRU
MaterialNICKEL ALLOY BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-01-027-8966NS2000-3PCS7,9TO17 INTERCHANGEABLE
Parts Kit,check Valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
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
4820-01-087-2224NS-4038 FIND 6 1/2IN INTERCHANGEABLE
Cap,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-087-7065NS40381-1/2IN 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
4820-01-162-4383S90066AND300450 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-165-796490203-000 INTERCHANGEABLE
Valve,check
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-183-060090125000 INTERCHANGEABLE
Valve,check
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
2520-01-187-12274012433 INTERCHANGEABLE
Stator Tube,transmission
Funk Mfg Co Sub of Deere and Co
Cross-Reference Index
Part NumberManufacturer
NS-4038 ASSY A National Oilwell (USA)
SS845-2110235RE Naval Sea Systems Command (USA)
SS845-2110235 Naval Ship Systems Command (USA)
90090000 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
NS4038 ASSEMBLY A 1IN Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
NS4038 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
NS4038 National Oilwell (USA)
SS845-2110235AS Naval Ship Systems Command (USA)
SS845-2110235 AY.8DA Derbyshire Machine & Tool Co (USA)
NS4038 ASSEMBLY A 1IN National Oilwell (USA)
90090002 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
4820-01-027-8966INTERCHANGEABLE
PARTS KIT,CHECK VALVE
NS2000-3PCS7,9TO17
4820-01-062-8563INTERCHANGEABLE
VALVE,CHECK
90227-000
4820-01-062-8667INTERCHANGEABLE
VALVE,CHECK
2620-927X1ASSY8AA1-4IN
4820-01-087-2224INTERCHANGEABLE
CAP,VALVE
NS-4038 FIND 6 1/2IN
4820-01-087-7065INTERCHANGEABLE
VALVE,CHECK
NS40381-1/2IN
4820-01-093-9213INTERCHANGEABLE
CAP,VALVE
845-2110235 PC 4, 3/4 IN SZ
4820-01-162-4383INTERCHANGEABLE
DISK,VALVE
S90066AND300450
4820-01-165-7964INTERCHANGEABLE
VALVE,CHECK
90203-000
4820-01-183-0600INTERCHANGEABLE
VALVE,CHECK
90125000
2520-01-187-1227INTERCHANGEABLE
STATOR TUBE,TRANSMISSION
4012433
4820-01-216-2875INTERCHANGEABLE
VALVE,CHECK
2621-927-10 ASSY A, 0.25IN
5330-01-247-2769INTERCHANGEABLE
GASKET
300468

Frequently Asked Questions

What is NSN 4820-01-125-9746?

NSN 4820-01-125-9746 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: cancelled.

What are the part numbers for NSN 4820-01-125-9746?

NSN 4820-01-125-9746 has 11 cross-referenced part numbers: NS-4038 ASSY A (National Oilwell), SS845-2110235RE (Naval Sea Systems Command), SS845-2110235 (Naval Ship Systems Command), 90090000 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), NS4038 ASSEMBLY A 1IN (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team) and 6 more.

What NSN replaces 4820-01-125-9746?

There are 12 known substitutes for 4820-01-125-9746: 4820-01-027-8966, 4820-01-062-8563, 4820-01-062-8667 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 90090002?

Key specifications for 90090002: Media for Which Designed: WATER, FRESH SINGLE RESPONSE; Valve Operation Method: AUTOMATIC; Maximum Operating Temp: 300.0 FAHRENHEIT SINGLE RESPONSE DEGF; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-125-9746 still in active supply?

NSN 4820-01-125-9746 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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