The Parts Kit,supercharger, cataloged under National Stock Number 2990-01-040-0631, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2990-01-040-0631 |
| Item Name | Parts Kit,supercharger |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Status | ACTIVE |
| Component Quantity | 23 |
| Nonsupply Items and Quantities | 08179 407442-4 IMPELLER 1; 407527 CENTER HOUSING ASSY 1; 406787-9 WHEEL ASSY 1; 407657 SHROUD,WHEEL 1; 406795-8 BACKPLATE ASSY 1; 403818 RING,PISTON 1; 403818-8 RING,PISTON 1; 406967-1 SPACER,THRUST 1; COLLAR,THRUST 1; 402588 BEARING,INBOARD 1; 400424-4 RING,SEAL 1; 400379 LOCKNUT 1; 407134 BEARING 1; 407135 WASHER 2; 400408 RING,RETAINING 3; 407577-2 LOCKPLATE 4 |
| 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 |
|---|---|
| 407524-1 | D/9 Drawing number reference only Garrett Transportation I, Inc. |
| 407524-5002 | 3/9 Design control — primary reference Garrett Transportation I, Inc. |
| 407524-2 | 5/9 Secondary reference Garrett Transportation I, Inc. |
NSN 2990-01-040-0631 is a Parts Kit,supercharger, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6620-01-143-9111. Verify interchangeability with system specifications before substitution.
Key specifications for 2990-01-040-0631: Component Quantity: 23; Nonsupply Items and Quantities: 08179 407442-4 IMPELLER 1; 407527 CENTER HOUSING ASSY 1; 406787-9 WHEEL ASSY 1; 407657 SHROUD,WHEEL 1; 406795-8 BACKPLATE ASSY 1; 403818 RING,PISTON 1; 403818-8 RING,PISTON 1; 406967-1 SPACER,THRUST 1; COLLAR,THRUST 1; 402588 BEARING,INBOARD 1; 400424-4 RING,SEAL 1; 400379 LOCKNUT 1; 407134 BEARING 1; 407135 WASHER 2; 400408 RING,RETAINING 3; 407577-2 LOCKPLATE 4. 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.