The Valve,float, cataloged under National Stock Number 4820-01-394-8182, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Young & Cunningham America, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-394-8182 |
| Primary Part Number | 991-407-017-006 |
| Item Name | Valve,float |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Young & Cunningham America, Inc. |
| Status | ACTIVE |
| Material | PLASTIC POLYVINYL CHLORIDE (PVC) BODY |
| 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 |
|---|---|
| 991-407-017-006 PRIMARY | Young & Cunningham America, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 991-407-017-006 | 5/9 Secondary reference Young and Cunningham America Inc a Joint Venture |
| 000-991-407 | D/9 Drawing number reference only Waukesha Bearings Corporation |
| 991-407-017-006 | 5/9 Secondary reference Waukesha Bearings Corporation |
NSN 4820-01-394-8182 is a Valve,float, manufactured by Young & Cunningham America, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-394-8182 has 1 manufacturer part number on file: 991-407-017-006 (Young & Cunningham America, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-397-5724. Verify interchangeability with system specifications before substitution.
Key specifications for 991-407-017-006: End Item Identification: NPC SSRS M4 VENT CHECK VALVE 4IN;WAUKESHA BEARING CORP IN; Material: PLASTIC POLYVINYL CHLORIDE (PVC) BODY. 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.