PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

103-1/2IN90PSIValve,safety Relief

F.c.kingston Co. Dba Storm Manufacturing · NSN 4820-01-026-4810 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-026-4810 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-026-4810. Primary manufacturer part number: 103-1/2IN90PSI.
Features
  • Valve,safety Relief — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: F.c.kingston Co. Dba Storm Manufacturing
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-026-4810, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is F.c.kingston Co. Dba Storm Manufacturing. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,safety Relief
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersF.c.kingston Co. Dba Storm Manufacturing (CAGE 75336)
Technical Specifications
ParameterValue
NSN4820-01-026-4810
Primary Part Number103-1/2IN90PSI
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerF.c.kingston Co. Dba Storm Manufacturing
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-265-1935TD52 1-2 INTERCHANGEABLE
Trap,steam
Spirax Sarco Inc Dba Spirax Sarco
Cross-Reference Index
Part NumberManufacturer
103-1/2IN90PSI PRIMARY F.c.kingston Co. Dba Storm Manufacturing (USA)
103-1-2IN F.c.kingston Co. Dba Storm Manufacturing (USA)
Related Parts
4730-00-265-1935INTERCHANGEABLE
TRAP,STEAM
TD52 1-2

Frequently Asked Questions

What is NSN 4820-01-026-4810?

NSN 4820-01-026-4810 is a Valve,safety Relief, manufactured by F.c.kingston Co. Dba Storm Manufacturing, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-026-4810?

NSN 4820-01-026-4810 has 2 cross-referenced part numbers: 103-1/2IN90PSI (F.c.kingston Co. Dba Storm Manufacturing), 103-1-2IN (F.c.kingston Co. Dba Storm Manufacturing).

What NSN replaces 4820-01-026-4810?

There is 1 known substitute for 4820-01-026-4810: 4730-00-265-1935. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com