The Valve,expansion, cataloged under National Stock Number 4820-00-595-2257, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Singer Co the Controls Div. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-595-2257 |
| Primary Part Number | 104A70034-181 |
| Item Name | Valve,expansion |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Singer Co the Controls Div |
| Status | ACTIVE |
| Adjustable Pressure Range | 0.0 TO 80.0 CAMERA MOUNT |
| Second End Relationship with First End | NOT IDENTICAL |
| Temp Rating | 100.0 FAHRENHEIT DEGF |
| Body Style | ANGLE GIVE "ADQM" OR "ADQN" IF FLANGED ONE OR TWO ENDS |
| Refrigeration Capacity in Btu Per Hour | 36.0 |
| First End Style Designator | SOCKET |
| Material | COPPER ALLOY BODY |
| End Connection Quantity | 2 |
| First End Connection Type | UNTHREADED INTERNAL TUBE |
| Second End Style Designator | SOCKET |
| Flow Control Device | DIAPHRAGM |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| First End Outside Diameter Tube Accommodated | 0.380 INCHES NOMINAL IN |
| Valve Expansion Control Type | PRESSURE |
| Valve Equalizer Location | INTERNAL |
| Second End Outside Diameter Tube Accommodated | 0.252 INCHES NOMINAL IN |
| Valve Pressure Limiting Device | NOT INCLUDED |
| Second End Connection Type | UNTHREADED INTERNAL TUBE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 104A70034-181 | Singer Co the Controls Div (USA) |
| D4524-7354 | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA) |
| 104581 | Singer Co the Controls Div (USA) |
NSN 4820-00-595-2257 is a Valve,expansion, manufactured by Singer Co the Controls Div, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-595-2257 has 3 cross-referenced part numbers: 104A70034-181 (Singer Co the Controls Div), D4524-7354 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters), 104581 (Singer Co the Controls Div).
There are 5 known substitutes for 4820-00-595-2257: 4820-00-106-1973, 4820-00-169-5334, 6605-00-630-1288 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 104A70034-181: Adjustable Pressure Range: 0.0 TO 80.0 CAMERA MOUNT; Second End Relationship with First End: NOT IDENTICAL; Temp Rating: 100.0 FAHRENHEIT DEGF; Body Style: ANGLE GIVE "ADQM" OR "ADQN" IF FLANGED ONE OR TWO ENDS. 18 total characteristics are documented in the Federal Logistics Information System.