The Valve,safety Relief, cataloged under National Stock Number 4820-00-541-0443, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Government technical data includes 7 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-541-0443 |
| Primary Part Number | 27960 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Hydro-Aire Aerospace Corp |
| Status | ACTIVE |
| Connection Style | GASKET SEAL(BOSS) FIRST END |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Thread Series Designator | UNF FIRST END |
| Thread Class | 3A FIRST END A |
| Connection Type | THREADED INTERNAL BOSS FIRST END |
| Thread Quantity Per Inch | 16 FIRST END |
| Thread Direction | RIGHT-HAND FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 27960 PRIMARY | Hydro-Aire Aerospace Corp (USA) |
NSN 4820-00-541-0443 is a Valve,safety Relief, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-541-0443 has 1 cross-referenced part number: 27960 (Hydro-Aire Aerospace Corp).
There are 3 known substitutes for 4820-00-541-0443: 3110-00-120-4200, 5330-00-482-2753, 5950-01-205-4893. Verify interchangeability with system specifications before substitution.
Key specifications for 27960: Connection Style: GASKET SEAL(BOSS) FIRST END; Nominal Thread Size: 0.750 INCHES FIRST END IN; Thread Series Designator: UNF FIRST END; Thread Class: 3A FIRST END A. 7 total characteristics are documented in the Federal Logistics Information System.