The Stem,fluid Valve, cataloged under National Stock Number 4820-01-220-2172, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is DC Fabricators Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-220-2172 |
| Primary Part Number | EW100J |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | DC Fabricators Inc |
| 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 |
|---|---|
| EW100J PRIMARY | DC Fabricators Inc (USA) |
| Reference | Meaning |
|---|---|
| F-3,105,162 PIECE 11 | 5/2 Secondary reference U.S. Government activity |
| F-3,105,162 | D/9 Drawing number reference only U.S. Government activity |
| 51693-11 | 5/9 Secondary reference Siemens Energy, Inc. |
NSN 4820-01-220-2172 is a Stem,fluid Valve, manufactured by DC Fabricators Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-220-2172 has 1 manufacturer part number on file: EW100J (DC Fabricators Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-220-2301, 5895-01-260-1894. Verify interchangeability with system specifications before substitution.
Key specifications for EW100J: Special Features: NAVAL BRASS MIL-B-994 COMPOSITION A. 0 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.