The Tappet,engine Poppet Valve, cataloged under National Stock Number 2805-00-392-4711, 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 Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-392-4711 |
| Primary Part Number | 220215BS |
| Item Name | Tappet,engine Poppet Valve |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| FSC Application Data | CYLINDER BLOCK GROUP,GASOLINE ENGINE,NONAIRCRAFT |
| Cam End Diameter | 1.178 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN |
| Width Across Flats | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Crown Height | 0.031 INCHES NOMINAL IN |
| Body Outside Diameter | 0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN |
| Metallic Hardness Rating and Location | 58.0 ROCKWELL C MINIMUM OVERALL |
| Metallic Hardness Rating and Location | 64.0 ROCKWELL C MAXIMUM OVERALL |
| Flats Length | 0.219 INCHES NOMINAL IN |
| Adjustability | ADJUSTABLE |
| Cam End Height | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Size Designation | STANDARD |
| Casehardening Indicator | CASEHARDENED |
| Material | STEEL OVERALL |
| Casehardened Location | OVERALL |
| Adjusting Device | INCLUDED |
| 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 |
|---|---|
| 220215BS PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 220215BS | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 2805-00-392-4711 is a Tappet,engine Poppet Valve, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-392-4711 has 1 manufacturer part number on file: 220215BS (Brinkley Technology Group Llc Dba Hercules Manufacturing).
Key specifications for 220215BS: FSC Application Data: CYLINDER BLOCK GROUP,GASOLINE ENGINE,NONAIRCRAFT; Cam End Diameter: 1.178 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN; Width Across Flats: 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Crown Height: 0.031 INCHES NOMINAL IN. 16 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.