The Stem,fluid Valve, cataloged under National Stock Number 4820-01-227-1155, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Universal Industrial Products Co Div of Core Industries Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-227-1155 |
| Primary Part Number | 10-0-51-21-Q |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Universal Industrial Products Co Div of Core Industries Inc |
| Status | ACTIVE |
| Features Provided | LOWER STEM |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| 10-0-51-21-Q PRIMARY | Universal Industrial Products Co Div of Core Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 10-0-51-21 | 5/9 Secondary reference Universal Industrial Products Co Div of Core Industries Inc |
NSN 4820-01-227-1155 is a Stem,fluid Valve, manufactured by Universal Industrial Products Co Div of Core Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-227-1155 has 1 manufacturer part number on file: 10-0-51-21-Q (Universal Industrial Products Co Div of Core Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-474-5023. Verify interchangeability with system specifications before substitution.
Key specifications for 10-0-51-21-Q: Features Provided: LOWER STEM; Material: NICKEL ALLOY. 2 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.