The Valve,gate, cataloged under National Stock Number 4820-01-287-3993, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is W. & O. Supply, Inc. Div W&o Norfolk. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,gate |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Zf Industrieantriebe Witten Gmbh (CAGE D9182); W. & O. Supply, Inc. Div W&o Norfolk (CAGE 6R256) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-287-3993 |
| Primary Part Number | 993102.100 100MM |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | W. & O. Supply, Inc. Div W&o Norfolk |
| 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 |
|---|---|
| 3-783-5036-0 4IN | Zf Industrieantriebe Witten Gmbh (DEU) |
| 993102.100 100MM PRIMARY | W. & O. Supply, Inc. Div W&o Norfolk (USA) |
| 3/7837/5036/0 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 09-063 4IN | Zf Industrieantriebe Witten Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| 09-063 4IN | 5/9 Secondary reference Bauer Compressors, Inc. |
NSN 4820-01-287-3993 is a Valve,gate, manufactured by W. & O. Supply, Inc. Div W&o Norfolk, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-287-3993 has 4 manufacturer part numbers on file: 3-783-5036-0 4IN (Zf Industrieantriebe Witten Gmbh), 993102.100 100MM (W. & O. Supply, Inc. Div W&o Norfolk), 3/7837/5036/0 (Zf Industrieantriebe Witten Gmbh), 09-063 4IN (Zf Industrieantriebe Witten Gmbh).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-287-7969, 4820-01-288-3974. Verify interchangeability with system specifications before substitution.
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.