The Guide Yoke, cataloged under National Stock Number 4820-01-389-0838, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is O. C. Keckley 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-389-0838 |
| Primary Part Number | A56222 |
| Item Name | Guide Yoke |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | O. C. Keckley Company |
| Status | ACTIVE |
| General Characteristics Item Description | BRONZE MATERIAL; 1.500 IN. OD 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 |
|---|---|
| A56222 PRIMARY | O. C. Keckley Company (USA) |
NSN 4820-01-389-0838 is a Guide Yoke, manufactured by O. C. Keckley Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-389-0838 has 1 manufacturer part number on file: A56222 (O. C. Keckley Company).
Key specifications for A56222: General Characteristics Item Description: BRONZE MATERIAL; 1.500 IN. OD 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.