The Shroud,wheel, cataloged under National Stock Number 2950-00-617-7594, is classified within Federal Supply Class 2950 (Turbosupercharger and Components) of the Engine Accessories group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2950-00-617-7594 |
| Primary Part Number | 3S4490 |
| Item Name | Shroud,wheel |
| FSC / FSG | 2950 / 29 — Turbosupercharger and Components |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| General Characteristics Item Description | 4.670 IN. OD,1.320 IN. LG 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 |
|---|---|
| 405475 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| 3S4490 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 7N7360 | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 3S4490 | 5/9 Secondary reference Holt Bros |
| 9S9327 | 5/9 Secondary reference Holt Bros |
NSN 2950-00-617-7594 is a Shroud,wheel, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2950, Turbosupercharger and Components. Status: active.
NSN 2950-00-617-7594 has 3 manufacturer part numbers on file: 405475 (Honeywell International Inc. Div Aerospace - Torrance), 3S4490 (Caterpillar Inc Div Caterpillar Defense), 7N7360 (Caterpillar Inc Div Caterpillar Defense).
2 possible matches (shared part number, not a government interchangeability claim): 2950-00-689-3129, 4820-01-265-3149. Verify interchangeability with system specifications before substitution.
Key specifications for 3S4490: General Characteristics Item Description: 4.670 IN. OD,1.320 IN. LG IN; End Item Identification: 61159333498. 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.