PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

035846PC20-2.5INCHSeat,valve

William Powell Company, the Dba Powell Valve Div the Starflo Corporation · NSN 4820-01-282-5088 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-282-5088 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-282-5088. Primary manufacturer part number: 035846PC20-2.5INCH.
Features
  • Seat,valve — FSC 4820
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 3 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 Seat,valve, cataloged under National Stock Number 4820-01-282-5088, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN4820-01-282-5088
Primary Part Number035846PC20-2.5INCH
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam Powell Company, the Dba Powell Valve Div the Starflo Corporation
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2530-00-383-9989642967 INTERCHANGEABLE
Brake Shoe Set
Am General Llc
5315-00-733-5168 INTERCHANGEABLE
Key,carbon Packing
5930-01-254-2150GS837GW13 INTERCHANGEABLE
Switch,push
Northrop Grumman Systems Corporation
5120-01-398-9304 INTERCHANGEABLE
Wrench,open End
4320-01-649-398044516 INTERCHANGEABLE
Shaft,transmission,pump
Cat Pumps Corp
5310-01-659-484412600923 INTERCHANGEABLE
Washer,flat
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
035846PC20-2.5INCH William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
44516 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
035846-F-CS-2.5IN-PC20 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
Related Parts
2530-00-383-9989INTERCHANGEABLE
BRAKE SHOE SET
642967
5315-00-733-5168INTERCHANGEABLE
KEY,CARBON PACKING
5930-01-254-2150INTERCHANGEABLE
SWITCH,PUSH
GS837GW13
5120-01-398-9304INTERCHANGEABLE
WRENCH,OPEN END
4320-01-649-3980INTERCHANGEABLE
SHAFT,TRANSMISSION,PUMP
44516
5310-01-659-4844INTERCHANGEABLE
WASHER,FLAT
12600923

Frequently Asked Questions

What is NSN 4820-01-282-5088?

NSN 4820-01-282-5088 is a Seat,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 4820-01-282-5088?

NSN 4820-01-282-5088 has 3 cross-referenced part numbers: 035846PC20-2.5INCH (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 44516 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 035846-F-CS-2.5IN-PC20 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).

What NSN replaces 4820-01-282-5088?

There are 6 known substitutes for 4820-01-282-5088: 2530-00-383-9989, 5315-00-733-5168, 5930-01-254-2150 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 035846PC20-2.5INCH?

Key specifications for 035846PC20-2.5INCH: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS; Special Features: OUTSIDE DIAMETER 3.311"/3.309" THICKNESS .700"/.696"INSIDE DIAMETER 2 5/8"; Criticality Code Justification: ZZZY. 3 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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