The Disk and Stem Assembly, cataloged under National Stock Number 4820-00-433-2966, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-433-2966 |
| Primary Part Number | 810-1385789PC6708-11-12-2IN |
| Item Name | Disk and Stem Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | BRASS W/SYNTHETIC RUBBER SEATING,2.938 IN. DISK OD,CRES STEM W/1 IN. ACME EXTERNAL THD IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 810-1385789PC6708-11-12-2IN | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 542-9174DA2INPC6TO8-11-12 | 3/2 Design control — primary reference U.S. Government activity |
| 810-1385789PC6708-11-12-2IN | 5/9 Secondary reference U.S. Government activity |
| 542-9174DPC6T08-11-12-2IN | 3/9 Design control — primary reference U.S. Government activity |
| D3A20-S5 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-00-433-2966 is a Disk and Stem Assembly, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-433-2966 has 1 manufacturer part number on file: 810-1385789PC6708-11-12-2IN (Naval Sea Systems Command).
Key specifications for 810-1385789PC6708-11-12-2IN: General Characteristics Item Description: BRASS W/SYNTHETIC RUBBER SEATING,2.938 IN. DISK OD,CRES STEM W/1 IN. ACME EXTERNAL THD IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.