The Turbocharger Assembly, cataloged under National Stock Number 2990-01-030-4376, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Kirby - Smith Machinery, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-030-4376 |
| Primary Part Number | 680436C93 |
| Item Name | Turbocharger Assembly |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Kirby - Smith Machinery, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTING OF 1 EA COVER P/N 630681C1,1 EA CLAMP P/N 615328C91,1 EA RING P/N 615331C1,1 EA LOCKNUT P/N 615340C1,1 EA WHEEL COMPRESSOR P/N 630683C1,1 EA RING INSERT P/N 615332C1,1 EA INSERT P/N 615333C1,1 EA PACKING PREFORMED P/N 615334C1,1 EA RING PISTON P/N 313156R1,1 EA SLEEVE FLINGER P/N 615342C1,1 EA DEFLECTOR,OIL P/N 615335C1,2 EA RING,THRUST P/N 615343C1,1 EA BEARING,THRUST P/N 630685C1,1 EA SLEEVE P/N 615344C1,2 EA BUSHING P/N 615388C1,1 EA SLEEVE P/N 615377C1,4 EA RING SNAP P/N 313147R1,1 EA HOUSING BEARING P/N 684946C1,1 EA WHEEL AND SHAFT P/N 630686C1,1 EA CLAMP,HOUSING P/N 615330C91,1 EA HOUSING,TURBINE P/N 630682C1,1 EA RING,TURBINE PISTON,P/N 619819C1,1 EA RING,INSERT P/N 457505R1,1 EA P/N 630688C1 PLATE |
| 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 |
|---|---|
| 680436C93 PRIMARY | Kirby - Smith Machinery, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 680436C93 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 680436C92 | 5/9 Secondary reference U.S. Government activity |
| 680436C92 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 680436C93 | 3/9 Design control — primary reference Komatsu American Intl Co |
| 680436C93 | 5/9 Secondary reference U.S. Government activity |
NSN 2990-01-030-4376 is a Turbocharger Assembly, manufactured by Kirby - Smith Machinery, Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-030-4376 has 1 manufacturer part number on file: 680436C93 (Kirby - Smith Machinery, Inc.).
Key specifications for 680436C93: General Characteristics Item Description: CONSISTING OF 1 EA COVER P/N 630681C1,1 EA CLAMP P/N 615328C91,1 EA RING P/N 615331C1,1 EA LOCKNUT P/N 615340C1,1 EA WHEEL COMPRESSOR P/N 630683C1,1 EA RING INSERT P/N 615332C1,1 EA INSERT P/N 615333C1,1 EA PACKING PREFORMED P/N 615334C1,1 EA RING PISTON P/N 313156R1,1 EA SLEEVE FLINGER P/N 615342C1,1 EA DEFLECTOR,OIL P/N 615335C1,2 EA RING,THRUST P/N 615343C1,1 EA BEARING,THRUST P/N 630685C1,1 EA SLEEVE P/N 615344C1,2 EA BUSHING P/N 615388C1,1 EA SLEEVE P/N 615377C1,4 EA RING SNAP P/N 313147R1,1 EA HOUSING BEARING P/N 684946C1,1 EA WHEEL AND SHAFT P/N 630686C1,1 EA CLAMP,HOUSING P/N 615330C91,1 EA HOUSING,TURBINE P/N 630682C1,1 EA RING,TURBINE PISTON,P/N 619819C1,1 EA RING,INSERT P/N 457505R1,1 EA P/N 630688C1 PLATE; End Item Identification: INTERNATIONAL HARVESTER CORP TRACTOR TD25 C SERIES. 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.