The Cock,plug, cataloged under National Stock Number 4820-00-258-1546, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Lunkenheimer Co. Government technical data includes 10 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-258-1546 |
| Primary Part Number | 1178 |
| Item Name | Cock,plug |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Lunkenheimer Co |
| Status | CANCELLED |
| Thread Series Designator | NPT FIRST END |
| Material | STEEL BODY |
| Thread Quantity Per Inch | 18 FIRST END |
| Connection Style | PLAIN, OPTIONAL END (PIPE) FIRST END |
| Flow Style | TWO WAY TWO PORT 90 DEGREE PLUG TURN |
| Nominal Pipe Size Accommodated | 0.250 INCHES FIRST END IN |
| Valve Operation Method | MANUAL |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1178 | Lunkenheimer Co (USA) |
NSN 4820-00-258-1546 is a Cock,plug, manufactured by Lunkenheimer Co, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-258-1546 has 1 cross-referenced part number: 1178 (Lunkenheimer Co).
There are 12 known substitutes for 4820-00-258-1546: 5996-00-078-7515, 5310-00-252-4078, 4820-00-272-3353 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1178: Thread Series Designator: NPT FIRST END; Material: STEEL BODY; Thread Quantity Per Inch: 18 FIRST END; Connection Style: PLAIN, OPTIONAL END (PIPE) FIRST END. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-258-1546 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.