The Housing Assembly, cataloged under National Stock Number 2990-01-138-4122, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-138-4122 |
| Item Name | Housing Assembly |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Status | ACTIVE |
| General Characteristics Item Description | ASSEMBLY CONSISTS OF 1 EA HOUSING DIE CAST P/N 525-001-0,1 EA SHAFT CENTER CAST IN HOUSING P/N 525-004-0,1 EA ROPE BUSHING P/N 525-043-0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 525-500-0 | 3/9 Design control — primary reference Eaton Stamping Co |
NSN 2990-01-138-4122 is a Housing Assembly, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
Key specifications for 2990-01-138-4122: General Characteristics Item Description: ASSEMBLY CONSISTS OF 1 EA HOUSING DIE CAST P/N 525-001-0,1 EA SHAFT CENTER CAST IN HOUSING P/N 525-004-0,1 EA ROPE BUSHING P/N 525-043-0. 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.