The Tappet,engine Poppet Valve, cataloged under National Stock Number 2805-00-776-0512, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-776-0512 |
| Primary Part Number | FA42C |
| Item Name | Tappet,engine Poppet Valve |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Wisconsin Motors, Llc |
| Status | ACTIVE |
| Cam End Diameter | 1.010 INCHES NOMINAL IN |
| Body Outside Diameter | 0.310 INCHES NOMINAL IN |
| Adjustability | NONADJUSTABLE |
| Cam End Height | 0.142 INCHES NOMINAL IN |
| Size Designation | STANDARD |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | STEEL OVERALL |
| Operation Method | MECHANICAL |
| 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 |
|---|---|
| FA42C PRIMARY | Wisconsin Motors, Llc (USA) |
| Reference | Meaning |
|---|---|
| 28612 | 5/2 Secondary reference U.S. Government activity |
NSN 2805-00-776-0512 is a Tappet,engine Poppet Valve, manufactured by Wisconsin Motors, Llc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-776-0512 has 1 manufacturer part number on file: FA42C (Wisconsin Motors, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-299-8497. Verify interchangeability with system specifications before substitution.
Key specifications for FA42C: Cam End Diameter: 1.010 INCHES NOMINAL IN; Body Outside Diameter: 0.310 INCHES NOMINAL IN; Overall Length: 2.432 INCHES NOMINAL IN; Adjustability: NONADJUSTABLE. 8 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.