The Valve,expansion, cataloged under National Stock Number 4820-00-480-1798, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Schneider Metal Mfg Co Inc Ross Temp Div. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-480-1798 |
| Primary Part Number | 21324 |
| Item Name | Valve,expansion |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Schneider Metal Mfg Co Inc Ross Temp Div |
| Status | CANCELLED |
| Valve Pressure Limiting Device Setting | 6.0 ASBESTOS ALTERNATIVE - BUILDING/CONSTRUCTION PRODUCTS - VULCANIZED SHEET PRODUCTS |
| Second End Thread Direction | RIGHT-HAND |
| Refrigeration Capacity in Btu Per Hour | 3.5 |
| Material | COPPER ALLOY BODY |
| Second End Connection Type | THREADED EXTERNAL TUBE |
| Valve Pressure Limiting Device | INCLUDED |
| Valve Equalizer Location | INTERNAL |
| Second End Seat Angle in Deg | 37.0 |
| Bulb Media Type | ANY ACCEPTABLE |
| Second End Style Designator | FLARED |
| Second End Relationship with First End | NOT IDENTICAL |
| First End Outside Diameter Tube Accommodated | 0.500 INCHES NOMINAL IN |
| Body Style | STRAIGHT THRU |
| Valve Expansion Control Type | PRESSURE |
| First End Thread Direction | RIGHT-HAND |
| Flow Control Device | CONE, BOTTOM GUIDED |
| First End Style Designator | FLARED |
| Second End Outside Diameter Tube Accommodated | 0.375 INCHES NOMINAL IN |
| First End Seat Angle in Deg | 37.0 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21324 PRIMARY | Schneider Metal Mfg Co Inc Ross Temp Div (USA) |
| 9204 PRIMARY | Schneider Metal Mfg Co Inc Ross Temp Div (USA) |
| FJ-1/4C-3/8-1/2 | Parker-Hannifin Corp Div Sporlan Division (USA) |
| FF1-4C3-8X1-2 | Parker-Hannifin Corp Div Sporlan Division (USA) |
NSN 4820-00-480-1798 is a Valve,expansion, manufactured by Schneider Metal Mfg Co Inc Ross Temp Div, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-480-1798 has 4 cross-referenced part numbers: 21324 (Schneider Metal Mfg Co Inc Ross Temp Div), 9204 (Schneider Metal Mfg Co Inc Ross Temp Div), FJ-1/4C-3/8-1/2 (Parker-Hannifin Corp Div Sporlan Division), FF1-4C3-8X1-2 (Parker-Hannifin Corp Div Sporlan Division).
There are 12 known substitutes for 4820-00-480-1798: 4720-00-235-3995, 3120-00-288-2826, 5970-00-322-6655 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21324: Valve Pressure Limiting Device Setting: 6.0 ASBESTOS ALTERNATIVE - BUILDING/CONSTRUCTION PRODUCTS - VULCANIZED SHEET PRODUCTS; Second End Thread Direction: RIGHT-HAND; Refrigeration Capacity in Btu Per Hour: 3.5; Material: COPPER ALLOY BODY. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-480-1798 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.