The Body and Slide,directional Contr, cataloged under National Stock Number 4820-00-557-6553, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-557-6553 |
| Primary Part Number | 6838287 |
| Item Name | Body and Slide,directional Contr |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Valve Design Control Activity | 73342 |
| 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 |
|---|---|
| 6838287 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 6839018 | D/9 Drawing number reference only Allison Transmission Inc Dba Allison Transmission, Inc |
| 6836860 | D/9 Drawing number reference only Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 4820-00-557-6553 is a Body and Slide,directional Contr, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-557-6553 has 1 manufacturer part number on file: 6838287 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6838287: Valve Design Control Activity: 73342; End Item Identification: GMC ALLISON TRANSMISSION DIV MODEL MT650 TRANSMISSION. 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.