PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2556 ITEM 3Disk,valve

Young and Cunningham America Inc a Joint Venture · NSN 4820-01-374-8219 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-374-8219 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-374-8219. Primary manufacturer part number: 2556 ITEM 3.
Features
  • Disk,valve — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Young and Cunningham America Inc a Joint Venture
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-374-8219, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Young and Cunningham America Inc a Joint Venture. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameDisk,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersYoung and Cunningham America Inc a Joint Venture (CAGE 0A0N9)
Technical Specifications
ParameterValue
NSN4820-01-374-8219
Primary Part Number2556 ITEM 3
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerYoung and Cunningham America Inc a Joint Venture
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
7920-00-045-25562556 INTERCHANGEABLE
Scraper,vehicle Window
La Crosse Brush, Inc. Dba La Crosse Brush Inc
5325-00-276-6073 INTERCHANGEABLE
Grommet,nonmetallic
5360-00-413-989269-489 INTERCHANGEABLE
Spring,helical,compression
Eaton Corp Opns & Technical Center
5995-00-467-61182556 INTERCHANGEABLE
Lead Eht
Hellermanntyton Limited
6510-00-782-2698PRM21408CZ INTERCHANGEABLE
Sponge,surgical
Medline Industries, Lp
5950-00-900-70402515389-1 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4720-00-933-587803-5107 INTERCHANGEABLE
Hose,nonmetallic
Bacharach, Inc.
6660-01-033-953904504202 INTERCHANGEABLE
Transmitter,engine
Chrysler Corp Service and Parts Opns
5310-01-045-55892556 INTERCHANGEABLE
Nut,plain,hexagon
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
6150-01-142-31772556 INTERCHANGEABLE
Wiring Harness
Dcm Manufacturing, Inc.
Cross-Reference Index
Part NumberManufacturer
2556 ITEM 3 Young and Cunningham America Inc a Joint Venture (USA)
2556 Young and Cunningham America Inc a Joint Venture (USA)
Related Parts
7920-00-045-2556INTERCHANGEABLE
SCRAPER,VEHICLE WINDOW
2556
5325-00-276-6073INTERCHANGEABLE
GROMMET,NONMETALLIC
5360-00-413-9892INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
69-489
5995-00-467-6118INTERCHANGEABLE
LEAD EHT
2556
6510-00-782-2698INTERCHANGEABLE
SPONGE,SURGICAL
PRM21408CZ
5950-00-900-7040INTERCHANGEABLE
TRANSFORMER,POWER
2515389-1
4720-00-933-5878INTERCHANGEABLE
HOSE,NONMETALLIC
03-5107
6660-01-033-9539INTERCHANGEABLE
TRANSMITTER,ENGINE
04504202
5310-01-045-5589INTERCHANGEABLE
NUT,PLAIN,HEXAGON
2556
6150-01-142-3177INTERCHANGEABLE
WIRING HARNESS
2556
5975-01-268-6429INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
106-0093
4820-01-374-7989INTERCHANGEABLE
VALVE,GATE

Frequently Asked Questions

What is NSN 4820-01-374-8219?

NSN 4820-01-374-8219 is a Disk,valve, manufactured by Young and Cunningham America Inc a Joint Venture, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-374-8219?

NSN 4820-01-374-8219 has 2 cross-referenced part numbers: 2556 ITEM 3 (Young and Cunningham America Inc a Joint Venture), 2556 (Young and Cunningham America Inc a Joint Venture).

What NSN replaces 4820-01-374-8219?

There are 12 known substitutes for 4820-01-374-8219: 7920-00-045-2556, 5325-00-276-6073, 5360-00-413-9892 and 9 more. Verify interchangeability with system specifications before substitution.

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