The Valve,check, cataloged under National Stock Number 4820-01-435-2949, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Core Industries Inc. Dba Mueller Steam Specialty. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Valve,check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Core Industries Inc. Dba Mueller Steam Specialty (CAGE 76588) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-435-2949 |
| Primary Part Number | 1-216-32-098 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Core Industries Inc. Dba Mueller Steam Specialty |
| 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 |
|---|---|
| M6708337 | Core Industries Inc. Dba Mueller Steam Specialty (USA) |
| 1-216-32-098 PRIMARY | Core Industries Inc. Dba Mueller Steam Specialty (USA) |
| Reference | Meaning |
|---|---|
| D-06505 | 5/9 Secondary reference Daniel Industries Inc |
| 216-32-098 | 5/9 Secondary reference Daniel Industries Inc |
NSN 4820-01-435-2949 is a Valve,check, manufactured by Core Industries Inc. Dba Mueller Steam Specialty, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-435-2949 has 2 manufacturer part numbers on file: M6708337 (Core Industries Inc. Dba Mueller Steam Specialty), 1-216-32-098 (Core Industries Inc. Dba Mueller Steam Specialty).
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.