The Oil Pump Assembly,engine, cataloged under National Stock Number 2815-01-580-4110, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 2 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-580-4110 |
| Primary Part Number | 161-4111 |
| Item Name | Oil Pump Assembly,engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Engine Model Number for Which Designed | 3406C |
| Nonsupply Items and Quantities | 1W-7238 SHAFT PUMP DRIVE 1; 1W-7239 SHAFT IDLER 1; 2P-3205 BOLT-WASHER HEAD 4; 2S-2760 SPRING 1; 6N-1931 PLUNGER 1; 9Y-1800 RETAINER 1; 235-1587 BODY 1; 7N-2156 BEARING-SLEEVE 2; 8M-8489 DOWEL 2; 127-6356 PUMP COVER 1; 8S-6511 BEARING-SLEEVE 2; 1M-0644 BOLT 2; 2S-7905 PLUG-PIPE 1; 5M-2894 HARD WASHER 2 W |
| 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 |
|---|---|
| 161-4111 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 2815-01-580-4110 is a Oil Pump Assembly,engine, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-580-4110 has 1 manufacturer part number on file: 161-4111 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 161-4111: Engine Model Number for Which Designed: 3406C; Nonsupply Items and Quantities: 1W-7238 SHAFT PUMP DRIVE 1; 1W-7239 SHAFT IDLER 1; 2P-3205 BOLT-WASHER HEAD 4; 2S-2760 SPRING 1; 6N-1931 PLUNGER 1; 9Y-1800 RETAINER 1; 235-1587 BODY 1; 7N-2156 BEARING-SLEEVE 2; 8M-8489 DOWEL 2; 127-6356 PUMP COVER 1; 8S-6511 BEARING-SLEEVE 2; 1M-0644 BOLT 2; 2S-7905 PLUG-PIPE 1; 5M-2894 HARD WASHER 2 W; Special Features: UNIT WEIGHT IS 20 LBS LBS; Part Name Assigned by Controlling Agency: PUMP GP-ENGINE OIL. 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.