The Seat,valve Spring, cataloged under National Stock Number 2805-00-173-2161, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Seat,valve Spring |
| FSC / FSG | 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components (FSG 28) |
| Parameter | Value |
|---|---|
| NSN | 2805-00-173-2161 |
| Item Name | Seat,valve Spring |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Reference | Meaning |
|---|---|
| 204K475 | 5/2 Secondary reference U.S. Government activity |
| 47278-D | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 42040D | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 42040D | 3/9 Design control — primary reference International Harvester Co Agricultural Equipment Div |
NSN 2805-00-173-2161 is a Seat,valve Spring, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
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.