The Seat,valve, cataloged under National Stock Number 4820-01-574-2732, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-574-2732 |
| Primary Part Number | 1970 502-3-1-19-2-5CP |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 1970 502-3-1-19-2-5CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 1970-502-305-1CP | Naval Inventory Control Point Mechanicsburg (USA) |
| G547-0002-1970 502-3-1-19-2-5CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 7550478-1970 502-3-1-19-2-5CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 1970 502-3-1-19-2-5 | 5/1 Secondary reference Mission Systems Orchard Park Inc |
| 7550478-1970 502-3-1-19-2-5 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 1970-502-305-1 | 5/1 Secondary reference Mission Systems Orchard Park Inc |
| G547-0002-1970 502-3-1-19-2-5 | 5/1 Secondary reference U.S. Government activity |
NSN 4820-01-574-2732 is a Seat,valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-574-2732 has 4 manufacturer part numbers on file: 1970 502-3-1-19-2-5CP (Naval Inventory Control Point Mechanicsburg), 1970-502-305-1CP (Naval Inventory Control Point Mechanicsburg), G547-0002-1970 502-3-1-19-2-5CP (Naval Inventory Control Point Mechanicsburg), 7550478-1970 502-3-1-19-2-5CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for 1970 502-3-1-19-2-5CP: Criticality Code Justification: ZZZY; Special Features: CTFE(KEL-F) PER MIL-P-46036.; Part Name Assigned by Controlling Agency: RING, BACK-UP; End Item Identification: VALVE HEAD ASSEMBLY. 2 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.