The Valve,safety Relief, cataloged under National Stock Number 4820-00-780-6877, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Stewart Avionics Inc. Government technical data includes 14 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-780-6877 |
| Primary Part Number | A6567 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Stewart Avionics Inc |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND SECOND END |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Thread Direction | RIGHT-HAND FIRST END |
| Thread Series Designator | NPTF FIRST END |
| Nominal Thread Size | 0.375 INCHES FIRST END IN |
| Thread Quantity Per Inch | 18 SECOND END |
| Thread Series Designator | NPTF SECOND END |
| Connection Style | PLAIN,OPTIONAL END(PIPE) SECOND END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Style Designator | ANGLE |
| Nominal Pipe Size Accommodated | 0.375 INCHES FIRST END IN |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Nominal Pipe Size Accommodated | 0.250 INCHES SECOND END IN |
| Thread Quantity Per Inch | 18 FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-780-6877 is a Valve,safety Relief, manufactured by Stewart Avionics Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-780-6877 has 2 cross-referenced part numbers: A6567 (Stewart Avionics Inc), A6567 (Metadure Parts & Sales, Inc.).
There are 3 known substitutes for 4820-00-780-6877: 5930-00-777-2285, 2520-00-931-4638, 5310-01-149-9548. Verify interchangeability with system specifications before substitution.
Key specifications for A6567: Thread Direction: RIGHT-HAND SECOND END; Nominal Thread Size: 0.250 INCHES SECOND END IN; Thread Direction: RIGHT-HAND FIRST END; Thread Series Designator: NPTF FIRST END. 14 total characteristics are documented in the Federal Logistics Information System.