The Seat,valve, cataloged under National Stock Number 4820-01-104-4048, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-104-4048 |
| Primary Part Number | B1950MV-DE |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Material | PLASTIC ACETAL OVERALL |
| Seating Surface Shape | ANGULAR |
| 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 |
|---|---|
| B1950MV-DE PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| ST-1950DLRN | 5/9 Secondary reference Hunt Valve Company, Inc. |
| M-1861A SHEET 6 PC 10DLRN | 5/9 Secondary reference Morland Valve Co Inc Sub of Smith Valve Corp |
| M-1861A SHEET 6 PC 10DLRN | 5/9 Secondary reference Hunt Valve Company, Inc. |
| ST-1950DLRN | 5/9 Secondary reference Morland Valve Co Inc Sub of Smith Valve Corp |
NSN 4820-01-104-4048 is a Seat,valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-104-4048 has 1 manufacturer part number on file: B1950MV-DE (Hunt Valve Company, Inc.).
Key specifications for B1950MV-DE: End Item Identification: VARIOUS SUBMARINE PUMPS; Material: PLASTIC ACETAL OVERALL; Seating Surface Shape: ANGULAR. 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.