PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RTR57-2Disk,valve

Johnson Controls Inc Control Products Div · NSN 4820-01-123-3622 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-123-3622 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-123-3622. Primary manufacturer part number: RTR57-2.
Features
  • Disk,valve — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Johnson Controls Inc Control Products Div
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-123-3622, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Johnson Controls Inc Control Products Div. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 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)
ManufacturersJohnson Controls Inc Control Products Div (CAGE 50831); Johnson Controls Inc Control Products Div (CAGE 92578); Desco Corp Marsh Bellofram Div (CAGE 38508)
Technical Specifications
ParameterValue
NSN4820-01-123-3622
Primary Part NumberRTR57-2
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerJohnson Controls Inc Control Products Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2840-00-048-7738214886 INTERCHANGEABLE
Bracket Assy,tube C
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
6515-01-590-5489241.421 INTERCHANGEABLE
Bone Plate
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
RTR57-2 PRIMARY Johnson Controls Inc Control Products Div (USA)
RTR57-2 Johnson Controls Inc Control Products Div (USA)
24142-1 Desco Corp Marsh Bellofram Div (USA)
Related Parts
2840-00-048-7738INTERCHANGEABLE
BRACKET ASSY,TUBE C
214886
6515-01-590-5489INTERCHANGEABLE
BONE PLATE
241.421

Frequently Asked Questions

What is NSN 4820-01-123-3622?

NSN 4820-01-123-3622 is a Disk,valve, manufactured by Johnson Controls Inc Control Products Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-123-3622?

NSN 4820-01-123-3622 has 3 cross-referenced part numbers: RTR57-2 (Johnson Controls Inc Control Products Div), RTR57-2 (Johnson Controls Inc Control Products Div), 24142-1 (Desco Corp Marsh Bellofram Div).

What NSN replaces 4820-01-123-3622?

There are 2 known substitutes for 4820-01-123-3622: 2840-00-048-7738, 6515-01-590-5489. Verify interchangeability with system specifications before substitution.

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