The Stem,nut, cataloged under National Stock Number 4820-01-198-0889, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cincinnati Valve Company. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-198-0889 |
| Primary Part Number | 6D-13263 PIECE 12 |
| Item Name | Stem,nut |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Cincinnati Valve Company |
| Status | ACTIVE |
| General Characteristics Item Description | MAGNESIUM BRONZE; LENGTH 4.000 IN.; DIAMETER 2.186 IN. MAX OR 2.184 IN. MIN IN |
| 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 |
|---|---|
| 6D-13263 PIECE 12 PRIMARY | Cincinnati Valve Company (USA) |
| Reference | Meaning |
|---|---|
| 2-314027 | C/1 Advisory reference — outside the item-of-supply concept Lunkenheimer Co |
| 6D-13263 | D/9 Drawing number reference only Lunkenheimer Co |
| 6D-13263 PIECE 12 | 5/9 Secondary reference Lunkenheimer Co |
NSN 4820-01-198-0889 is a Stem,nut, manufactured by Cincinnati Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-198-0889 has 1 manufacturer part number on file: 6D-13263 PIECE 12 (Cincinnati Valve Company).
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-198-0890, 4820-01-198-0912, 4820-01-200-3228. Verify interchangeability with system specifications before substitution.
Key specifications for 6D-13263 PIECE 12: General Characteristics Item Description: MAGNESIUM BRONZE; LENGTH 4.000 IN.; DIAMETER 2.186 IN. MAX OR 2.184 IN. MIN IN. 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.
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.