The Disk,valve, cataloged under National Stock Number 4820-00-142-2953, 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. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-142-2953 |
| Primary Part Number | DSC3B-2 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Johnson Controls Inc Control Products Div |
| Status | ACTIVE |
| Pressure Rating | 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Temp Rating | 150.0 FAHRENHEIT NOMINAL DEGF |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Outside Diameter | 0.391 INCHES NOMINAL IN |
| Media for Which Designed | WATER, COLD |
| Material | RUBBER |
| Style Designator | PLAIN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-142-2953 is a Disk,valve, manufactured by Johnson Controls Inc Control Products Div, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-142-2953 has 4 cross-referenced part numbers: 21647 (Bellofram Corporation), 22563 (Desco Corp Marsh Bellofram Div), DSC3B-2 (Johnson Controls Inc Control Products Div), 21647 (Desco Corp Marsh Bellofram Div).
There are 8 known substitutes for 4820-00-142-2953: 6145-00-800-5985, 5940-00-902-9285, 6515-01-241-4934 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for DSC3B-2: Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Temp Rating: 150.0 FAHRENHEIT NOMINAL DEGF; Inside Diameter: 0.250 INCHES NOMINAL IN; Outside Diameter: 0.391 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.