PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

355-91Retainer,disk,valve

Magnatrol Valve Corp Div Clark-Cooper · NSN 4820-01-210-6983 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-210-6983 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-210-6983. Primary manufacturer part number: 355-91.
Features
  • Retainer,disk,valve — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Magnatrol Valve Corp Div Clark-Cooper
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Retainer,disk,valve, cataloged under National Stock Number 4820-01-210-6983, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Magnatrol Valve Corp Div Clark-Cooper. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRetainer,disk,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersMagnatrol Valve Corp Div Clark-Cooper (CAGE 14561)
Technical Specifications
ParameterValue
NSN4820-01-210-6983
Primary Part Number355-91
Item NameRetainer,disk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMagnatrol Valve Corp Div Clark-Cooper
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4810-00-871-127635-591 INTERCHANGEABLE
Valve,gate
Hydro-Aire Aerospace Corp
5998-01-109-6688 INTERCHANGEABLE
Circuit Card Assembly
5940-01-200-976935591 INTERCHANGEABLE
Terminal,lug
Hamilton Sundstrand Corporation Dba Collins Aerospace
4320-01-408-2428 INTERCHANGEABLE
Pump,axial Pistons
Cross-Reference Index
Part NumberManufacturer
355-91 PRIMARY Magnatrol Valve Corp Div Clark-Cooper (USA)
355.91 Magnatrol Valve Corp Div Clark-Cooper (USA)
Related Parts
4810-00-871-1276INTERCHANGEABLE
VALVE,GATE
35-591
5998-01-109-6688INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5940-01-200-9769INTERCHANGEABLE
TERMINAL,LUG
35591
4320-01-408-2428INTERCHANGEABLE
PUMP,AXIAL PISTONS

Frequently Asked Questions

What is NSN 4820-01-210-6983?

NSN 4820-01-210-6983 is a Retainer,disk,valve, manufactured by Magnatrol Valve Corp Div Clark-Cooper, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-210-6983?

NSN 4820-01-210-6983 has 2 cross-referenced part numbers: 355-91 (Magnatrol Valve Corp Div Clark-Cooper), 355.91 (Magnatrol Valve Corp Div Clark-Cooper).

What NSN replaces 4820-01-210-6983?

There are 4 known substitutes for 4820-01-210-6983: 4810-00-871-1276, 5998-01-109-6688, 5940-01-200-9769 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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