The Mounting Leg,turbosupercharger, cataloged under National Stock Number 2990-01-292-8579, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Borgwarner Turbo Systems Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2990-01-292-8579 |
| Primary Part Number | 157571 |
| Item Name | Mounting Leg,turbosupercharger |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Borgwarner Turbo Systems Llc |
| Status | ACTIVE |
| General Characteristics Item Description | FRONT LEG,DESIGNED TO MOUNT SCHWITZER TURBOSUPERCHARGER MODEL 5HDR TO ENGINE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2990-01-292-8579 is a Mounting Leg,turbosupercharger, manufactured by Borgwarner Turbo Systems Llc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-292-8579 has 2 manufacturer part numbers on file: 157571 (Schwitzer Engine Components a Household Intl Co), 157571 (Borgwarner Turbo Systems Llc).
1 possible match (shared part number, not a government interchangeability claim): 2930-01-706-0432. Verify interchangeability with system specifications before substitution.
Key specifications for 157571: General Characteristics Item Description: FRONT LEG,DESIGNED TO MOUNT SCHWITZER TURBOSUPERCHARGER MODEL 5HDR TO ENGINE. 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.