The Stem,fluid Valve, cataloged under National Stock Number 4820-01-368-9942, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Donaldson Company, Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-368-9942 |
| Primary Part Number | 427959 ITEM 1 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Donaldson Company, Inc. |
| Status | ACTIVE |
| Valve Type for Which Designed | BALL |
| Largest Outside Diameter | 10.000 INCHES NOMINAL IN |
| Valve Model Number for Which Designed | 430621 |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 430621 ITEM 69 | Donaldson Company, Inc. (USA) |
| 327970 | Donaldson Company, Inc. (USA) |
| 427959 ITEM 1 PRIMARY | Donaldson Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 430621 | D/9 Drawing number reference only Donaldson Company, Inc. |
| 431384 ITEM 69 | C/1 Advisory reference — outside the item-of-supply concept Donaldson Company, Inc. |
| 427959 | D/9 Drawing number reference only Donaldson Company, Inc. |
NSN 4820-01-368-9942 is a Stem,fluid Valve, manufactured by Donaldson Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-368-9942 has 3 manufacturer part numbers on file: 430621 ITEM 69 (Donaldson Company, Inc.), 327970 (Donaldson Company, Inc.), 427959 ITEM 1 (Donaldson Company, Inc.).
Key specifications for 427959 ITEM 1: Valve Type for Which Designed: BALL; Largest Outside Diameter: 10.000 INCHES NOMINAL IN; Valve Model Number for Which Designed: 430621; Overall Length: 18.000 INCHES NOMINAL IN. 4 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.