The Valve,safety Relief, cataloged under National Stock Number 4820-00-406-6602, 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. Government technical data includes 16 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 | 4820-00-406-6602 |
| Primary Part Number | 2961-100 |
| 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 | CANCELLED |
| Connection Style | PLAIN (PIPE) FIRST END |
| Style Designator | ANGLE |
| Material | STEEL FLOW CONTROL DEVICE |
| Operating Pressure | 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Thread Series Designator | NPT FIRST END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Material | COPPER ALLOY BODY |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Bonnet Attachment Method | THREADED |
| Disk Loading Method | SPRING |
| Bonnet Type | INSIDE SCREW |
| Opening Pressure Setting | 100.0 POUNDS PER SQUARE INCH LBS |
| Valve Operation Method | AUTOMATIC |
| Flow Control Device | DISK |
| Thread Direction | RIGHT-HAND FIRST END |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2961-100 PRIMARY | Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA) |
| 2961 PRIMARY | Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA) |
| 4SC1093 PRIMARY | Striegel Supply, Inc. Dba Striegel Supply Inc (USA) |
| 4SC1011 | Striegel Supply, Inc. Dba Striegel Supply Inc (USA) |
NSN 4820-00-406-6602 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: cancelled.
NSN 4820-00-406-6602 has 4 cross-referenced part numbers: 2961-100 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor), 2961 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor), 4SC1093 (Striegel Supply, Inc. Dba Striegel Supply Inc), 4SC1011 (Striegel Supply, Inc. Dba Striegel Supply Inc).
There are 12 known substitutes for 4820-00-406-6602: 5120-00-032-9460, 5961-00-103-3844, 5961-00-235-9431 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2961-100: Connection Style: PLAIN (PIPE) FIRST END; Style Designator: ANGLE; Material: STEEL FLOW CONTROL DEVICE; Operating Pressure: 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 18 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-406-6602 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.