The Cock,drain, cataloged under National Stock Number 4820-01-620-8487, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Yanmar America Corporation. Government technical data includes 5 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-620-8487 |
| Primary Part Number | X-256-3 |
| Item Name | Cock,drain |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Yanmar America Corporation |
| Status | ACTIVE |
| Valve Operation Method | MANUAL |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Thread Series Designator | NPTF FIRST END |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Style Designator | STRAIGHT THRU |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-620-8487 is a Cock,drain, manufactured by Yanmar America Corporation, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-620-8487 has 2 cross-referenced part numbers: X-256-3 (Yanmar America Corporation), X-256-3 (Yanmar Diesel America Corp).
There is 1 known substitute for 4820-01-620-8487: 4820-01-237-0113. Verify interchangeability with system specifications before substitution.
Key specifications for X-256-3: End Item Identification: 6115016132486; Valve Operation Method: MANUAL; Connection Type: THREADED EXTERNAL PIPE FIRST END; Thread Series Designator: NPTF FIRST END. 6 total characteristics are documented in the Federal Logistics Information System.