The Disk,valve, cataloged under National Stock Number 4820-00-371-8951, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | Disk,valve |
| FSC / FSG | 4820 — No Item Name Available (FSG 48) |
| Manufacturers | Naval Ship Systems Command (CAGE 80064); Derbyshire Machine & Tool Co (CAGE 71905) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-371-8951 |
| Primary Part Number | 563-4901-932551PC8 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 563-4901-932551PC8 PRIMARY | Naval Ship Systems Command (USA) |
| 569-4901-1191548ALTAPC7 PRIMARY | Naval Ship Systems Command (USA) |
| 6894 PRIMARY | Derbyshire Machine & Tool Co (USA) |
| 572-4903-1415503ALTAPC9 PRIMARY | Naval Ship Systems Command (USA) |
| 69D153 PRIMARY | Derbyshire Machine & Tool Co (USA) |
NSN 4820-00-371-8951 is a Disk,valve, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-371-8951 has 5 cross-referenced part numbers: 563-4901-932551PC8 (Naval Ship Systems Command), 569-4901-1191548ALTAPC7 (Naval Ship Systems Command), 6894 (Derbyshire Machine & Tool Co), 572-4903-1415503ALTAPC9 (Naval Ship Systems Command), 69D153 (Derbyshire Machine & Tool Co).
There are 6 known substitutes for 4820-00-371-8951: 2825-00-391-8599, 5985-00-522-5494, 5985-00-791-4333 and 3 more. Verify interchangeability with system specifications before substitution.