The Valve,safety Relief, cataloged under National Stock Number 4820-00-240-9081, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Gast Mfg Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-240-9081 |
| Primary Part Number | AA307 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Gast Mfg Corp |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Material | ALUMINUM BODY |
| Renewable Seat Ring Type | PRESSED-IN |
| Thread Series Designator | NPT FIRST END |
| Flow Control Device | DISK |
| Disk Loading Method | SPRING |
| Thread Direction | RIGHT-HAND FIRST END |
| Valve Operation Method | AUTOMATIC |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-240-9081 is a Valve,safety Relief, manufactured by Gast Mfg Corp, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-240-9081 has 2 cross-referenced part numbers: 66162 (Oshkosh Aerotech Uk Limited), AA307 (Gast Mfg Corp).
There are 7 known substitutes for 4820-00-240-9081: 3020-00-153-6642, 5120-00-222-4383, 5955-00-483-4432 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for AA307: Style Designator: STRAIGHT THRU; Connection Type: THREADED EXTERNAL PIPE FIRST END; Connection Style: PLAIN (PIPE) FIRST END; Material: ALUMINUM BODY. 11 total characteristics are documented in the Federal Logistics Information System.