PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D17266-D ITEM 5 2 1/2INRetainer,disk,valve

William Powell Company, the Dba Powell Valve Div the Starflo Corporation · NSN 4820-01-313-5463 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-313-5463 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-313-5463. Primary manufacturer part number: D17266-D ITEM 5 2 1/2IN.
Features
  • Retainer,disk,valve — FSC 4820
  • Valve Size for Which Designed: 2.500 INCHES IN
  • 2 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 Retainer,disk,valve, cataloged under National Stock Number 4820-01-313-5463, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN4820-01-313-5463
Primary Part NumberD17266-D ITEM 5 2 1/2IN
Item NameRetainer,disk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam Powell Company, the Dba Powell Valve Div the Starflo Corporation
StatusACTIVE
Valve Size for Which Designed2.500 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4820-00-850-3026 INTERCHANGEABLE
Valve,check
6625-01-303-463217266 INTERCHANGEABLE
Detector,radio Frequency
Giga-Tronics Incorporated Dba Giga-Tronics
4820-01-313-5389560Y 2 1/2IN INTERCHANGEABLE
Valve,check
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
4820-01-313-5530D17266-D ITEM 6 2 1/2IN INTERCHANGEABLE
Disk,valve
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
2940-01-399-092617266 INTERCHANGEABLE
Filter Element,intake Air Cleane
Westerbeke Corporation
6505-01-584-1623NDC50228-0471-12 INTERCHANGEABLE
Levetiracetam Tablets
Sciegen Pharmaceuticals Inc
Cross-Reference Index
Part NumberManufacturer
D17266-D ITEM 5 2 1/2IN PRIMARY William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
17266 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
Related Parts
4820-00-850-3026INTERCHANGEABLE
VALVE,CHECK
6625-01-303-4632INTERCHANGEABLE
DETECTOR,RADIO FREQUENCY
17266
4820-01-313-5389INTERCHANGEABLE
VALVE,CHECK
560Y 2 1/2IN
4820-01-313-5530INTERCHANGEABLE
DISK,VALVE
D17266-D ITEM 6 2 1/2IN
2940-01-399-0926INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
17266
6505-01-584-1623INTERCHANGEABLE
LEVETIRACETAM TABLETS
NDC50228-0471-12

Frequently Asked Questions

What is NSN 4820-01-313-5463?

NSN 4820-01-313-5463 is a Retainer,disk,valve, 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 4820-01-313-5463?

NSN 4820-01-313-5463 has 2 cross-referenced part numbers: D17266-D ITEM 5 2 1/2IN (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 17266 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).

What NSN replaces 4820-01-313-5463?

There are 6 known substitutes for 4820-01-313-5463: 4820-00-850-3026, 6625-01-303-4632, 4820-01-313-5389 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D17266-D ITEM 5 2 1/2IN?

Key specifications for D17266-D ITEM 5 2 1/2IN: Valve Size for Which Designed: 2.500 INCHES IN. 1 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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