The Guide,valve Stem, cataloged under National Stock Number 4820-00-177-8422, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-177-8422 |
| Primary Part Number | N48636 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Aa End Chamfer Angle in Deg | 45.0 |
| Aa End Chamfer Length | 0.114 INCHES NOMINAL IN |
| Bb End Shank Diameter | 1.935 INCHES NOMINAL IN |
| Bore Counterbore | INCLUDED |
| Outside Diameter | 2.500 INCHES NOMINAL IN |
| Counterbore Depth | 2.305 INCHES NOMINAL IN |
| Counterbore Location | BB END |
| Counterbore Diameter | 1.500 INCHES NOMINAL IN |
| Aa End Diameter | 2.065 INCHES NOMINAL IN |
| Bore Diameter | 1.3821 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| N48636 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 48636 | 5/9 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 4820-00-177-8422 is a Guide,valve Stem, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-177-8422 has 1 manufacturer part number on file: N48636 (Leslie Controls, Inc. Dba Leslie Controls Inc).
2 possible matches (shared part number, not a government interchangeability claim): 2910-01-227-8896, 3120-01-233-1984. Verify interchangeability with system specifications before substitution.
Key specifications for N48636: Aa End Chamfer Angle in Deg: 45.0; Aa End Chamfer Length: 0.114 INCHES NOMINAL IN; Bb End Shank Diameter: 1.935 INCHES NOMINAL IN; Overall Length: 3.435 INCHES NOMINAL IN. 11 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.