The Valve,safety Relief, cataloged under National Stock Number 4820-00-288-6924, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 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 | 4820-00-288-6924 |
| Primary Part Number | FIG1AIN50LBAIR |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| Status | CANCELLED |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Valve Discharge Flow Rate | 134.0 CUBIC FEET PER MINUTE |
| Flow Control Device | DISK |
| Valve Operation Method | AUTOMATIC OR MANUAL |
| Disk Loading Method | SPRING |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Opening Pressure Setting | 50.0 POUNDS PER SQUARE INCH LBS |
| Thread Series Designator | NPT ALL ENDS |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Style Designator | STRAIGHT THRU |
| Nominal Thread Size | 1.000 INCHES ALL ENDS IN |
| Material | COPPER ALLOY BODY |
| Material | STEEL STEM |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Material | COPPER ALLOY SEAT |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 569 | De Koven Mfg Co (USA) |
| 15-21-2 | Dresser Industries Inc Leroi Div (USA) |
| A15-21-2 | Dresser Industries Inc Leroi Div (USA) |
| FIG1AIN50LBAIR PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 1A-1IN-50PSI-AIR PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 1A1IN50LBAIR | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 15-1211 PRIMARY | Dresser Industries Inc Leroi Div (USA) |
| 1-1IN50LBAIR | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-00-288-6924 is a Valve,safety Relief, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-288-6924 has 8 cross-referenced part numbers: 569 (De Koven Mfg Co), 15-21-2 (Dresser Industries Inc Leroi Div), A15-21-2 (Dresser Industries Inc Leroi Div), FIG1AIN50LBAIR (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 1A-1IN-50PSI-AIR (Anderson Greenwood Lp Dba Anderson Greenwood Crosby) and 3 more.
There are 12 known substitutes for 4820-00-288-6924: 6110-00-092-5063, 3110-00-143-2937, 6350-00-174-5231 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for FIG1AIN50LBAIR: Thread Direction: RIGHT-HAND ALL ENDS; Connection Style: PLAIN (PIPE) ALL ENDS; Valve Discharge Flow Rate: 134.0 CUBIC FEET PER MINUTE; Flow Control Device: DISK. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-288-6924 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.