The Cover,engine Poppet Valve Rocker, cataloged under National Stock Number 2815-01-583-8209, 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. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-583-8209 |
| Primary Part Number | 342-4977 |
| Item Name | Cover,engine Poppet Valve Rocker |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| 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 |
|---|---|
| 342-4977 | William Adams Pty Ltd (AUS) |
| 342-4977 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 342-4977 | Westrac Equipment Pty Ltd (AUS) |
| 342-4977 | Hastings Deering (aust) Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 22KP182 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 2815-01-583-8209 is a Cover,engine Poppet Valve Rocker, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-583-8209 has 4 manufacturer part numbers on file: 342-4977 (William Adams Pty Ltd), 342-4977 (Caterpillar Inc Div Caterpillar Defense), 342-4977 (Westrac Equipment Pty Ltd), 342-4977 (Hastings Deering (aust) Pty Ltd).
Key specifications for 342-4977: Special Features: NAME-COVER-SIDE 238-6884 COVER GP CYLINDER BLOCK; Part Name Assigned by Controlling Agency: COVER-SIDE; End Item Identification: MRAP M-ATV; MRAP - COUGAR; MRAP - M-ATV; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS). 0 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.