The Stem,fluid Valve, cataloged under National Stock Number 4820-00-035-9439, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 20 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-00-035-9439 |
| Primary Part Number | WW6665771SH2PC17 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa |
| Status | ACTIVE |
| Material | IRON CAST UNS F11501 |
| 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 |
|---|---|
| WW6665771SH2PC17 PRIMARY | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| WW5599110SH2PC17 PRIMARY | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| 1980FSH1PC17 PRIMARY | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| 2552FSH1PC17 PRIMARY | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| 2552FSH3PC17 PRIMARY | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| 2276FSH1PC17 PRIMARY | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| 2381FSH2PC17 PRIMARY | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| 2381FSH1PC17 PRIMARY | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| 10334B PRIMARY | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| WW6665713SH2PC17 PRIMARY | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| WW6667888SH2PC17 PRIMARY | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| WW6665713SH1PC17 PRIMARY | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| 1980FSH2PC17 PRIMARY | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| 2552FSH2PC17 PRIMARY | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| WW6667888SH1PC17 PRIMARY | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| 2276FSH2PC17 PRIMARY | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| W6665771SH1PC17 PRIMARY | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| WW6665771SH3PC17 PRIMARY | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| WW5599110SH1PC17 PRIMARY | Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA) |
| WW5599110SH2PC17 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| CL55S61-18PC17 | 5/2 Secondary reference U.S. Government activity |
| CL55S61-17PC17 | 5/2 Secondary reference U.S. Government activity |
| AV7S61-31PC17 | 5/2 Secondary reference U.S. Government activity |
| CA68S6100-23PC17 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-00-035-9439 is a Stem,fluid Valve, manufactured by Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-035-9439 has 20 manufacturer part numbers on file: WW6665771SH2PC17 (Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa), WW5599110SH2PC17 (Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa), 1980FSH1PC17 (Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa), 2552FSH1PC17 (Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa), 2552FSH3PC17 (Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa) and 15 more.
Key specifications for WW6665771SH2PC17: Material: IRON CAST UNS F11501. 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.