The Valve,safety Relief, cataloged under National Stock Number 4820-01-642-0492, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-642-0492 |
| Primary Part Number | 40055 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 40055 PRIMARY | Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA) |
NSN 4820-01-642-0492 is a Valve,safety Relief, manufactured by Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-642-0492 has 1 cross-referenced part number: 40055 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).
There are 10 known substitutes for 4820-01-642-0492: 1670-00-406-2654, 6105-00-411-6226, 5999-01-178-4116 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 40055: Part Name Assigned by Controlling Agency: UNLOADER ASSEMBLY; End Item Identification: LIFT HEAD ASSEMBLY - COMPRESSOR. 2 total characteristics are documented in the Federal Logistics Information System.