PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0.5 2490SNOTXXXValve,gate

William Powell Company, the Dba Powell Valve Div the Starflo Corporation · NSN 4820-01-152-5444 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-152-5444 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-152-5444. Primary manufacturer part number: 0.5 2490SNOTXXX.
Features
  • Valve,gate — FSC 4820
  • Bonnet Type: OUTSIDE SCREW-YOKE
  • Inlet Relationship with Outlet: IDENTICAL
  • Pressure Class: ERR-060
  • Maximum Operating Temp and Media for Which Designed: 500.0 FAHRENHEIT STEAM DEGF
  • Furnished Items and Quantity: 1 HANDWHEEL
  • Stem Type: RISING
  • Operating Pressure and Type: 200.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,gate, cataloged under National Stock Number 4820-01-152-5444, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is William Powell Company, the Dba Powell Valve Div the Starflo Corporation. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-152-5444
Primary Part Number0.5 2490SNOTXXX
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam Powell Company, the Dba Powell Valve Div the Starflo Corporation
StatusACTIVE
Bonnet TypeOUTSIDE SCREW-YOKE
Inlet Relationship with OutletIDENTICAL
Pressure ClassERR-060
Maximum Operating Temp and Media for Which Designed500.0 FAHRENHEIT STEAM DEGF
Furnished Items and Quantity1 HANDWHEEL
Stem TypeRISING
Operating Pressure and Type200.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Bonnet Attachment MethodBOLTED
Valve Operation MethodMANUAL
Connection TypeSOCKET, WELD, PIPE
Nominal Pipe Size Accommodated1.500 INCHES IN
Valve Size1.500 INCHES IN
Features ProvidedBONNET PACKING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5905-00-228-0707 INTERCHANGEABLE
Resistor,fixed,wire Wound
5120-01-045-4896 INTERCHANGEABLE
Key,socket Head Screw
4820-01-061-512424734 INTERCHANGEABLE
Stem,fluid Valve
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
4820-01-105-571847024 INTERCHANGEABLE
Gland Follower,valve
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
4820-01-106-175562401 INTERCHANGEABLE
Yoke,bushing
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
6515-01-622-954968065 INTERCHANGEABLE
Blade,laryngoscope
Welch Allyn, Inc.
Cross-Reference Index
Part NumberManufacturer
0.5 2490SNOTXXX PRIMARY William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
2492SWE 1-1-2IN William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
2490SWE1-1-2IN William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
68065 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
Related Parts
5905-00-228-0707INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
5120-01-045-4896INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
4820-01-061-5124INTERCHANGEABLE
STEM,FLUID VALVE
24734
4820-01-105-5718INTERCHANGEABLE
GLAND FOLLOWER,VALVE
47024
4820-01-106-1755INTERCHANGEABLE
YOKE,BUSHING
62401
6515-01-622-9549INTERCHANGEABLE
BLADE,LARYNGOSCOPE
68065

Frequently Asked Questions

What is NSN 4820-01-152-5444?

NSN 4820-01-152-5444 is a Valve,gate, manufactured by William Powell Company, the Dba Powell Valve Div the Starflo Corporation, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-152-5444?

NSN 4820-01-152-5444 has 4 cross-referenced part numbers: 0.5 2490SNOTXXX (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 2492SWE 1-1-2IN (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 2490SWE1-1-2IN (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 68065 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).

What NSN replaces 4820-01-152-5444?

There are 6 known substitutes for 4820-01-152-5444: 5905-00-228-0707, 5120-01-045-4896, 4820-01-061-5124 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0.5 2490SNOTXXX?

Key specifications for 0.5 2490SNOTXXX: Bonnet Type: OUTSIDE SCREW-YOKE; Inlet Relationship with Outlet: IDENTICAL; Pressure Class: ERR-060; Maximum Operating Temp and Media for Which Designed: 500.0 FAHRENHEIT STEAM DEGF. 13 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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