PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2576-54-122Disk,valve

Velan Valve Corp. · NSN 4820-01-208-3344 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-208-3344 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-208-3344. Primary manufacturer part number: 2576-54-122.
Features
  • Disk,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • 3 verified cross-references
  • Primary manufacturer: Velan Valve Corp.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-208-3344, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Velan Valve Corp.. Government technical data includes 1 verified specification, 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-208-3344
Primary Part Number2576-54-122
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerVelan Valve Corp.
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-100-0540 INTERCHANGEABLE
Cup,tapered Roller Bearing
5365-00-203-4360A23256 INTERCHANGEABLE
Plug,machine Thread
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
4820-00-468-108523256 INTERCHANGEABLE
Housing Diaphragm
Leslie Controls, Inc. Dba Leslie Controls Inc
6610-00-621-238523256 INTERCHANGEABLE
Shaft,retaining
Honeywell International, Inc Div Aerospace-Tucson
4720-01-128-8844 INTERCHANGEABLE
Hose,preformed
4820-01-208-32202566-051-063 INTERCHANGEABLE
Stem,fluid Valve
Velan Valve Corp.
5340-01-292-0316 INTERCHANGEABLE
Seat,helical Compression Spring
4820-01-394-6196F05-3054B-02TS INTERCHANGEABLE
Valve,gate
Velan Valve Corp.
5315-01-538-077623256 INTERCHANGEABLE
Pin,straight,headed
Generac Mobile Products, Llc
6515-01-595-528821090A INTERCHANGEABLE
Probe,temperature Monitoring
Philips North America Llc Dba Philips Healthcare
Cross-Reference Index
Part NumberManufacturer
2576-54-122 PRIMARY Velan Valve Corp. (USA)
2576-54-68 Velan Valve Corp. (USA)
23256 Velan Valve Corp. (USA)
Related Parts
3110-00-100-0540INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
5365-00-203-4360INTERCHANGEABLE
PLUG,MACHINE THREAD
A23256
4820-00-468-1085INTERCHANGEABLE
HOUSING DIAPHRAGM
23256
6610-00-621-2385INTERCHANGEABLE
SHAFT,RETAINING
23256
4720-01-128-8844INTERCHANGEABLE
HOSE,PREFORMED
4820-01-208-3220INTERCHANGEABLE
STEM,FLUID VALVE
2566-051-063
5340-01-292-0316INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
4820-01-394-6196INTERCHANGEABLE
VALVE,GATE
F05-3054B-02TS
5315-01-538-0776INTERCHANGEABLE
PIN,STRAIGHT,HEADED
23256
6515-01-595-5288INTERCHANGEABLE
PROBE,TEMPERATURE MONITORING
21090A

Frequently Asked Questions

What is NSN 4820-01-208-3344?

NSN 4820-01-208-3344 is a Disk,valve, manufactured by Velan Valve Corp., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-208-3344?

NSN 4820-01-208-3344 has 3 cross-referenced part numbers: 2576-54-122 (Velan Valve Corp.), 2576-54-68 (Velan Valve Corp.), 23256 (Velan Valve Corp.).

What NSN replaces 4820-01-208-3344?

There are 10 known substitutes for 4820-01-208-3344: 3110-00-100-0540, 5365-00-203-4360, 4820-00-468-1085 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2576-54-122?

Key specifications for 2576-54-122: End Item Identification: GATE VALVE; 1IN; 1500PSI IN; Material: STEEL CORROSION RESISTING. 2 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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