The Seat,valve, cataloged under National Stock Number 4820-01-282-8520, 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 1 specification, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-282-8520 |
| Primary Part Number | D-5200-4 PIECE 10 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Material | PLASTIC FLUORINATED ETHYLENE PROPYLENE SEAT |
| 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 |
|---|---|
| D-5200-4 PIECE 10 PRIMARY | Hunt Valve Company, Inc. (USA) |
| D-5200 SHEET 4 PIECE 10 | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| D-5200 SHEET 4 PIECE 10 | 5/9 Secondary reference Morland Valve Co Inc Sub of Smith Valve Corp |
| D-5200-4 PIECE 10 | 5/9 Secondary reference Morland Valve Co Inc Sub of Smith Valve Corp |
NSN 4820-01-282-8520 is a Seat,valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-282-8520 has 2 manufacturer part numbers on file: D-5200-4 PIECE 10 (Hunt Valve Company, Inc.), D-5200 SHEET 4 PIECE 10 (Hunt Valve Company, Inc.).
Key specifications for D-5200-4 PIECE 10: Material: PLASTIC FLUORINATED ETHYLENE PROPYLENE SEAT. 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.