The Valve,safety Relief, cataloged under National Stock Number 4820-00-812-9009, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 18 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: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-812-9009 |
| Primary Part Number | 48A1-4IN205PSI |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| Status | ACTIVE |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Valve Discharge Flow Rate | 110.0 CUBIC FEET PER MINUTE |
| Flow Control Device | DISK |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Media for Which Designed | AIR FIRST RESPONSE |
| Bonnet Type | INSIDE SPRING |
| Material | COPPER ALLOY OVERALL |
| Media for Which Designed | GAS, NATURAL SECOND RESPONSE |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Operating Pressure | 225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Series Designator | NPT ALL ENDS |
| Disk Loading Method | SPRING |
| Style Designator | ANGLE |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Bonnet Attachment Method | THREADED |
| Valve Operation Method | AUTOMATIC |
| Opening Pressure Setting | 205.0 POUNDS PER SQUARE INCH LBS |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 48 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 48A1-4IN205PSI PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 112C1-4-205PSI | F.c.kingston Co. Dba Storm Manufacturing (USA) |
| 48A | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-00-812-9009 is a Valve,safety Relief, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-812-9009 has 4 cross-referenced part numbers: 48 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 48A1-4IN205PSI (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 112C1-4-205PSI (F.c.kingston Co. Dba Storm Manufacturing), 48A (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 12 known substitutes for 4820-00-812-9009: 4820-00-005-7394, 4820-00-027-0994, 4940-00-181-7590 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 48A1-4IN205PSI: Maximum Operating Temp: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF; Valve Discharge Flow Rate: 110.0 CUBIC FEET PER MINUTE; Flow Control Device: DISK; Connection Style: PLAIN (PIPE) ALL ENDS. 18 total characteristics are documented in the Federal Logistics Information System.