PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

62256Valve,gate

William Powell Company, the Dba Powell Valve Div the Starflo Corporation · NSN 4820-01-154-4012 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-154-4012 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-154-4012. Primary manufacturer part number: 62256.
Features
  • Valve,gate — FSC 4820
  • Connection Type: BUTT WELD PIPE
  • Stem Type: RISING
  • Operating Pressure and Type: 150.0 POUNDS PER SQUARE INCH (PSI) SALT WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATL WILL BE IAW SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECS
  • Valve Operation Method: MANUAL
  • Bonnet Type: OUTSIDE SCREW-YOKE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,gate, cataloged under National Stock Number 4820-01-154-4012, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-154-4012
Primary Part Number62256
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam Powell Company, the Dba Powell Valve Div the Starflo Corporation
StatusACTIVE
Connection TypeBUTT WELD PIPE
Stem TypeRISING
Operating Pressure and Type150.0 POUNDS PER SQUARE INCH (PSI) SALT WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATL WILL BE IAW SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECS
Valve Operation MethodMANUAL
Bonnet TypeOUTSIDE SCREW-YOKE
Bonnet Attachment MethodBOLTED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5340-00-720-6213MS21333-59 INTERCHANGEABLE
Clamp,loop
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4720-01-512-905562256 INTERCHANGEABLE
Tubing,nonmetallic
Lincoln Co
6650-01-562-009655895 INTERCHANGEABLE
Harness,quick Release
Leupold & Stevens Inc
Cross-Reference Index
Part NumberManufacturer
62256 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
Related Parts
5340-00-720-6213INTERCHANGEABLE
CLAMP,LOOP
MS21333-59
4720-01-512-9055INTERCHANGEABLE
TUBING,NONMETALLIC
62256
6650-01-562-0096INTERCHANGEABLE
HARNESS,QUICK RELEASE
55895

Frequently Asked Questions

What is NSN 4820-01-154-4012?

NSN 4820-01-154-4012 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 4820-01-154-4012?

NSN 4820-01-154-4012 has 1 cross-referenced part number: 62256 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).

What NSN replaces 4820-01-154-4012?

There are 3 known substitutes for 4820-01-154-4012: 5340-00-720-6213, 4720-01-512-9055, 6650-01-562-0096. Verify interchangeability with system specifications before substitution.

What are the specifications of 62256?

Key specifications for 62256: Connection Type: BUTT WELD PIPE; Stem Type: RISING; Operating Pressure and Type: 150.0 POUNDS PER SQUARE INCH (PSI) SALT WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS; Criticality Code Justification: ZZZY. 8 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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