PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CD-1104 PART 1503-N 3.00INValve,gate

William Powell Company, the Dba Powell Valve Div the Starflo Corporation · NSN 4820-00-419-0456 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-419-0456 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-419-0456. Primary manufacturer part number: CD-1104 PART 1503-N 3.00IN.
Features
  • Valve,gate — FSC 4820
  • 11 verified cross-references
  • Primary manufacturer: William Powell Company, the Dba Powell Valve Div the Starflo Corporation
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,gate, cataloged under National Stock Number 4820-00-419-0456, 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. This item has 11 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameValve,gate
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersWilliam Powell Company, the Dba Powell Valve Div the Starflo Corporation (CAGE 48422); William E Williams Valve Corp (CAGE 79342); Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M (CAGE 81349); The Walworth Company (CAGE 63686); Mark Controls Corp Pacific Valves Div (CAGE 85578)
Technical Specifications
ParameterValue
NSN4820-00-419-0456
Primary Part NumberCD-1104 PART 1503-N 3.00IN
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam Powell Company, the Dba Powell Valve Div the Starflo Corporation
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
4820-01-114-4573 INTERCHANGEABLE
Seat,valve
5365-01-114-5949N-11398-1 PIECE 12 6IN INTERCHANGEABLE
Bushing,bonnet,valve
The Walworth Company
4820-01-157-0005N-11398-1 PC2 3IN INTERCHANGEABLE
Cap,valve
The Walworth Company
4820-01-160-5932 INTERCHANGEABLE
Disk,valve
4820-01-170-9220N-11398-1 PIECE 11 6IN INTERCHANGEABLE
Plate,packing Retainer
The Walworth Company
4820-01-234-79167589-39-1 INTERCHANGEABLE
Seat,valve
The Walworth Company
4820-01-234-79707515-8-15-1 INTERCHANGEABLE
Stem,fluid Valve
The Walworth Company
4820-01-234-80837515-5-Y-HF INTERCHANGEABLE
Disk,valve
The Walworth Company
4820-01-459-40400600127 INTERCHANGEABLE
Disk,valve
The Walworth Company
4820-01-463-92277586-39-1-AA INTERCHANGEABLE
Seat,valve
Twc the Valve Company, L.l.c.
Cross-Reference Index
Part NumberManufacturer
CD-1104 PART 1503-N 3.00IN PRIMARY William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
15F-3/7878REV0/882049760 PRIMARY William E Williams Valve Corp (USA)
1503-N 3.00IN CD-1104 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
MILV18110 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-18110 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1503N-3IN/C-055831REV0/882049859 PRIMARY William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
5-5203-63-030-03A The Walworth Company (USA)
150 Mark Controls Corp Pacific Valves Div (USA)
N-11398-1 The Walworth Company (USA)
N-11398-1 3IN The Walworth Company (USA)
FIG15F-1-3IN.CID882049187 PRIMARY William E Williams Valve Corp (USA)
Related Parts
4820-01-114-4573INTERCHANGEABLE
SEAT,VALVE
5365-01-114-5949INTERCHANGEABLE
BUSHING,BONNET,VALVE
N-11398-1 PIECE 12 6IN
4820-01-157-0005INTERCHANGEABLE
CAP,VALVE
N-11398-1 PC2 3IN
4820-01-160-5932INTERCHANGEABLE
DISK,VALVE
4820-01-170-9220INTERCHANGEABLE
PLATE,PACKING RETAINER
N-11398-1 PIECE 11 6IN
4820-01-234-7916INTERCHANGEABLE
SEAT,VALVE
7589-39-1
4820-01-234-7970INTERCHANGEABLE
STEM,FLUID VALVE
7515-8-15-1
4820-01-234-8083INTERCHANGEABLE
DISK,VALVE
7515-5-Y-HF
4820-01-459-4040INTERCHANGEABLE
DISK,VALVE
0600127
4820-01-463-9227INTERCHANGEABLE
SEAT,VALVE
7586-39-1-AA
3120-01-469-8989INTERCHANGEABLE
BUSHING,SLEEVE
0621521

Frequently Asked Questions

What is NSN 4820-00-419-0456?

NSN 4820-00-419-0456 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: cancelled.

What are the part numbers for NSN 4820-00-419-0456?

NSN 4820-00-419-0456 has 11 cross-referenced part numbers: CD-1104 PART 1503-N 3.00IN (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 15F-3/7878REV0/882049760 (William E Williams Valve Corp), 1503-N 3.00IN CD-1104 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), MILV18110 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-18110 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.

What NSN replaces 4820-00-419-0456?

There are 11 known substitutes for 4820-00-419-0456: 4820-01-114-4573, 5365-01-114-5949, 4820-01-157-0005 and 8 more. Verify interchangeability with system specifications before substitution.

Is NSN 4820-00-419-0456 still in active supply?

NSN 4820-00-419-0456 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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