The Ball and Seat Kit,valve, cataloged under National Stock Number 4820-01-479-8212, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-479-8212 |
| Primary Part Number | 803-5001004-X1XX-05B,07 |
| Item Name | Ball and Seat Kit,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| 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 |
|---|---|
| 803-5001004-X1XX-05B,7 | Naval Inventory Control Point Mechanicsburg (USA) |
| 803-5001004-B1XX-05B,7 | Naval Sea Systems Command (USA) |
| 803-5001004-X1XX-05B,07 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 803-5001004 | D/9 Drawing number reference only Naval Sea Systems Command |
| 803-5001004-B1X | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 4820-01-479-8212 is a Ball and Seat Kit,valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-479-8212 has 3 manufacturer part numbers on file: 803-5001004-X1XX-05B,7 (Naval Inventory Control Point Mechanicsburg), 803-5001004-B1XX-05B,7 (Naval Sea Systems Command), 803-5001004-X1XX-05B,07 (Naval Sea Systems Command).
Key specifications for 803-5001004-X1XX-05B,07: Special Features: 3 INCH; STRAIGHT LINE 400 PSI IN; End Item Identification: SHIP, OHIO CLASS SSN TRIDENT VENTILATION. 0 specifications are 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.