The Valve,test, cataloged under National Stock Number 4820-01-285-6237, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-285-6237 |
| Primary Part Number | 1808476 |
| Item Name | Valve,test |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | MANUAL CONTROL,STRAIGHT THRU FLOW |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1808476 | Northrop Grumman Systems Corporation (USA) |
| 1977621 ITEM 40 | Northrop Grumman Systems Corporation (USA) |
| 5D3-02043 ITEM 31 | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5D3-02043 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
| U200F-03 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-285-6237 is a Valve,test, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-285-6237 has 3 manufacturer part numbers on file: 1808476 (Northrop Grumman Systems Corporation), 1977621 ITEM 40 (Northrop Grumman Systems Corporation), 5D3-02043 ITEM 31 (Lake Shore Systems, Inc.).
Key specifications for 1808476: General Characteristics Item Description: MANUAL CONTROL,STRAIGHT THRU FLOW. 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.
NSN 4820-01-285-6237 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.