The Seat,valve, cataloged under National Stock Number 4820-01-351-5897, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-351-5897 |
| Primary Part Number | A48549MEC |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Material Document and Classification | ASTM-A276 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material | STEEL COMP 304 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 |
|---|---|
| D50342-1ITEM6 | Hunt Valve Company, Inc. (USA) |
| A48549MECVM | Naval Inventory Control Point Mechanicsburg (USA) |
| A48549MEC PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| A48549MEC | 3/9 Design control — primary reference Hunt Valve Company Inc Dba Union Flonetics |
| D50342-1ITEM6 | 5/9 Secondary reference Hunt Valve Company Inc Dba Union Flonetics |
NSN 4820-01-351-5897 is a Seat,valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-351-5897 has 3 manufacturer part numbers on file: D50342-1ITEM6 (Hunt Valve Company, Inc.), A48549MECVM (Naval Inventory Control Point Mechanicsburg), A48549MEC (Hunt Valve Company, Inc.).
Key specifications for A48549MEC: Material Document and Classification: ASTM-A276 ASSN STD SINGLE MATERIAL RESPONSE SEAT; Special Features: EXT THD; End Item Identification: HUNT VALVE CO SAFETY RELIEF VALVE MODEL NO. R10,SZ 1.000 IN. IN; Material: STEEL COMP 304 SEAT. 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.