The Guide,valve Stem, cataloged under National Stock Number 4820-01-237-6442, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fisher Controls Co Inc. Government technical data includes 7 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 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 | 4820-01-237-6442 |
| Primary Part Number | 1E3922 35132 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fisher Controls Co Inc |
| Status | ACTIVE |
| Style Designator | PLAIN |
| Material Document and Classification | QQ-S-763, CLASS 416 FED SPEC 1ST MATERIAL RESPONSE |
| Bore Counterbore | NOT INCLUDED |
| Outside Diameter | 0.313 INCHES NOMINAL IN |
| Bore Diameter | 0.1882 INCHES NOMINAL IN |
| Material | STEEL COMP 416 |
| 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 |
|---|---|
| 1E3922 35132 PRIMARY | Fisher Controls Co Inc (USA) |
NSN 4820-01-237-6442 is a Guide,valve Stem, manufactured by Fisher Controls Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-237-6442 has 1 manufacturer part number on file: 1E3922 35132 (Fisher Controls Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-605-2980. Verify interchangeability with system specifications before substitution.
Key specifications for 1E3922 35132: Style Designator: PLAIN; Material Document and Classification: QQ-S-763, CLASS 416 FED SPEC 1ST MATERIAL RESPONSE; Overall Length: 0.375 INCHES NOMINAL IN; Bore Counterbore: NOT INCLUDED. 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.