The Guide,valve Stem, cataloged under National Stock Number 4820-01-447-1161, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-447-1161 |
| Primary Part Number | N46979 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Major Diameter Length | 2.000 INCHES NOMINAL IN |
| Bb End Shank Diameter | 2.125 INCHES NOMINAL IN |
| Style Designator | PLAIN, SHOULDERED |
| Bore Counterbore | NOT INCLUDED |
| Outside Diameter | 5.240 INCHES NOMINAL IN |
| Material | NICKEL ALLOY |
| Bore Countersink | NOT INCLUDED |
| 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 |
|---|---|
| N46979 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 21851N PC 19 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 21851N | D/9 Drawing number reference only Leslie Controls, Inc. Dba Leslie Controls Inc |
| 46979 | 5/9 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 4820-01-447-1161 is a Guide,valve Stem, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-447-1161 has 2 manufacturer part numbers on file: N46979 (Leslie Controls, Inc. Dba Leslie Controls Inc), 21851N PC 19 (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for N46979: Major Diameter Length: 2.000 INCHES NOMINAL IN; Bb End Shank Diameter: 2.125 INCHES NOMINAL IN; Style Designator: PLAIN, SHOULDERED; Overall Length: 2.563 INCHES NOMINAL IN. 7 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.