The Valve,expansion, cataloged under National Stock Number 4820-00-670-4158, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Electric Co Alco Controls Div. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-670-4158 |
| Primary Part Number | HC1-2FW55-1/4X1/2X3/8SAE,AG5FT |
| Item Name | Valve,expansion |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Emerson Electric Co Alco Controls Div |
| Status | ACTIVE |
| Second End Relationship with First End | NOT IDENTICAL |
| Bulb Media Type | REFRIGERANT 12 |
| Mounting Method | CLAMP BULB |
| Refrigeration Capacity in Btu Per Hour | 6.0 |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING SEAT |
| Flow Control Device | NEEDLE |
| First End Thread Class | 2A A |
| End Connection Quantity | 2 |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Valve Expansion Control Type | THERMOSTATIC |
| First End Thread Direction | RIGHT-HAND |
| Second End Thread Direction | RIGHT-HAND |
| Valve Evaporator Temp Range Designation | LOW |
| First End Style Designator | FLARED |
| Second End Thread Class | 2A A |
| Second End Connection Type | THREADED EXTERNAL TUBE |
| Second End Outside Diameter Tube Accommodated | 0.250 INCHES NOMINAL IN |
| Bulb Length | 3.000 INCHES NOMINAL IN |
| Body Style | STRAIGHT THRU |
| Second End Style Designator | FLARED |
| Media for Which Designed | REFRIGERANT 12 |
| First End Outside Diameter Tube Accommodated | 0.500 INCHES NOMINAL IN |
| Bulb Diameter | 0.500 INCHES NOMINAL IN |
| First End Seat Angle in Deg | 45.0 |
| Second End Seat Angle in Deg | 45.0 |
| Material | COPPER ALLOY BODY |
| Valve Pressure Limiting Device | NOT INCLUDED |
| Capillary Tube Length | 60.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 209F50754 | Singer Co the Controls Div (USA) |
| D8471-3-50 | Ellis & Watts International, Llc (USA) |
| HC1-2FW55-1/4X1/2X3/8SAE,AG5FT PRIMARY | Emerson Electric Co Alco Controls Div (USA) |
| 50754 | Singer Co the Controls Div (USA) |
| 223FA1-2-55PSI | Singer Co the Controls Div (USA) |
| D8471-3-50 | Chief of Engineers Dept of Army (USA) |
NSN 4820-00-670-4158 is a Valve,expansion, manufactured by Emerson Electric Co Alco Controls Div, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-670-4158 has 6 cross-referenced part numbers: 209F50754 (Singer Co the Controls Div), D8471-3-50 (Ellis & Watts International, Llc), HC1-2FW55-1/4X1/2X3/8SAE,AG5FT (Emerson Electric Co Alco Controls Div), 50754 (Singer Co the Controls Div), 223FA1-2-55PSI (Singer Co the Controls Div) and 1 more.
There are 3 known substitutes for 4820-00-670-4158: 4730-00-328-3339, 5315-00-869-5121, 8120-01-512-8180. Verify interchangeability with system specifications before substitution.
Key specifications for HC1-2FW55-1/4X1/2X3/8SAE,AG5FT: Second End Relationship with First End: NOT IDENTICAL; Bulb Media Type: REFRIGERANT 12; Mounting Method: CLAMP BULB; Refrigeration Capacity in Btu Per Hour: 6.0. 30 total characteristics are documented in the Federal Logistics Information System.