The Guide,valve Crosshead, cataloged under National Stock Number 4820-01-020-7227, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cummins Inc.. Government technical data includes 2 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 | 4820-01-020-7227 |
| Primary Part Number | 154220 |
| Item Name | Guide,valve Crosshead |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Overall Diameter | 0.375 INCHES NOMINAL IN |
| General Characteristics Item Description | BOTH ENDS 0.360 IN. DIA, 15 DEG CHAMFER BOTH ENDS, 2.060 IN. PRESS INTO CYLINDER HEAD TO THIS @DIM CY HEAD 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 |
|---|---|
| 154220 PRIMARY | Cummins Inc. (USA) |
NSN 4820-01-020-7227 is a Guide,valve Crosshead, manufactured by Cummins Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-020-7227 has 1 manufacturer part number on file: 154220 (Cummins Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-549-0237. Verify interchangeability with system specifications before substitution.
Key specifications for 154220: Overall Diameter: 0.375 INCHES NOMINAL IN; General Characteristics Item Description: BOTH ENDS 0.360 IN. DIA, 15 DEG CHAMFER BOTH ENDS, 2.060 IN. PRESS INTO CYLINDER HEAD TO THIS @DIM CY HEAD IN; Overall Length: 2.760 INCHES NOMINAL IN. 2 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.