The Guide,valve Stem, cataloged under National Stock Number 2815-01-573-1666, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-573-1666 |
| Primary Part Number | 268-2953 |
| Item Name | Guide,valve Stem |
| 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 |
|---|---|
| SEBP4356-08 PAGE 125 REF NO 4 | Caterpillar Inc Div Caterpillar Defense (USA) |
| 268-2953 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 2815-01-573-1666 is a Guide,valve Stem, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-573-1666 has 2 manufacturer part numbers on file: SEBP4356-08 PAGE 125 REF NO 4 (Caterpillar Inc Div Caterpillar Defense), 268-2953 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 268-2953: Special Features: GUIDE VALVE; Part Name Assigned by Controlling Agency: GUIDE, VALVE STEM; End Item Identification: ENGINE GROUP. 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.