The Valve,safety Relief, cataloged under National Stock Number 4820-00-916-5881, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Saylor-Beall Manufacturing Company. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-916-5881 |
| Primary Part Number | 4144 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Saylor-Beall Manufacturing Company |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Thread Direction | RIGHT-HAND FIRST END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Thread Series Designator | NPT FIRST END |
| Valve Operation Method | AUTOMATIC |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Style Designator | ANGLE |
| Material | STEEL OVERALL |
| Nominal Pipe Size Accommodated | 0.250 INCHES FIRST END IN |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4144 PRIMARY | Saylor-Beall Manufacturing Company (USA) |
NSN 4820-00-916-5881 is a Valve,safety Relief, manufactured by Saylor-Beall Manufacturing Company, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-916-5881 has 1 cross-referenced part number: 4144 (Saylor-Beall Manufacturing Company).
There are 9 known substitutes for 4820-00-916-5881: 4820-00-213-7670, 5120-00-277-2697, 5340-00-290-7274 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4144: Flow Control Device: DISK; Thread Direction: RIGHT-HAND FIRST END; Connection Style: PLAIN (PIPE) FIRST END; Nominal Thread Size: 0.250 INCHES FIRST END IN. 12 total characteristics are documented in the Federal Logistics Information System.