PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

902001Valve,y

Forespar Products Corp · NSN 4820-01-604-5858 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-604-5858 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-604-5858. Primary manufacturer part number: 902001.
Features
  • Valve,y — FSC 4820
  • Valve Operation Method: HYDRAULIC
  • Connection Style: BARBED-BEADED (HOSE) FIRST END
  • Material: PLASTIC OVERALL
  • Style Designator: "Y" ANGLE
  • Connection Type: UNTHREADED EXTERNAL TUBE FIRST END
  • Connection Style: BARBED-BEADED (HOSE) SECOND END
  • Valve Size: 1.0 INCHES IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Overall construction
General Description

The Valve,y, cataloged under National Stock Number 4820-01-604-5858, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Forespar Products Corp. 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-604-5858
Primary Part Number902001
Item NameValve,y
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerForespar Products Corp
StatusACTIVE
Valve Operation MethodHYDRAULIC
Connection StyleBARBED-BEADED (HOSE) FIRST END
MaterialPLASTIC OVERALL
Style Designator"Y" ANGLE
Connection TypeUNTHREADED EXTERNAL TUBE FIRST END
Connection StyleBARBED-BEADED (HOSE) SECOND END
Valve Size1.0 INCHES IN
Connection TypeUNTHREADED EXTERNAL TUBE SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5995-00-490-1028SC-D-68284MODELG10FT INTERCHANGEABLE
Cable Assembly,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-00-538-9306 INTERCHANGEABLE
Meter,field Strength
5905-01-005-1942 INTERCHANGEABLE
Resistor,fixed,film
5340-01-133-5033ST3M830-3 INTERCHANGEABLE
Strike,catch
The Boeing Company Div Defense
6240-01-361-834490400200 INTERCHANGEABLE
Lamp,incandescent
Glamox Aqua Signal Corporation
5836-01-393-3012902-001 INTERCHANGEABLE
Eraser,magnetic
Data Security, Inc
5120-01-681-5312 INTERCHANGEABLE
Handle,quick Release
Cross-Reference Index
Part NumberManufacturer
902001 PRIMARY Forespar Products Corp (USA)
Related Parts
5995-00-490-1028INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
SC-D-68284MODELG10FT
6625-00-538-9306INTERCHANGEABLE
METER,FIELD STRENGTH
5905-01-005-1942INTERCHANGEABLE
RESISTOR,FIXED,FILM
5340-01-133-5033INTERCHANGEABLE
STRIKE,CATCH
ST3M830-3
6240-01-361-8344INTERCHANGEABLE
LAMP,INCANDESCENT
90400200
5836-01-393-3012INTERCHANGEABLE
ERASER,MAGNETIC
902-001
5120-01-681-5312INTERCHANGEABLE
HANDLE,QUICK RELEASE

Frequently Asked Questions

What is NSN 4820-01-604-5858?

NSN 4820-01-604-5858 is a Valve,y, manufactured by Forespar Products Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-604-5858?

NSN 4820-01-604-5858 has 1 cross-referenced part number: 902001 (Forespar Products Corp).

What NSN replaces 4820-01-604-5858?

There are 7 known substitutes for 4820-01-604-5858: 5995-00-490-1028, 6625-00-538-9306, 5905-01-005-1942 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 902001?

Key specifications for 902001: Valve Operation Method: HYDRAULIC; Connection Style: BARBED-BEADED (HOSE) FIRST END; Material: PLASTIC OVERALL; Style Designator: "Y" ANGLE. 8 total characteristics are documented in the Federal Logistics Information System.

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