The Tappet,engine Poppet Valve, cataloged under National Stock Number 2805-00-401-9525, 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 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2805-00-401-9525 |
| Primary Part Number | 48030A |
| 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 |
| Cam End Diameter | 1.190 INCHES NOMINAL IN |
| Width Across Flats | 0.494 INCHES NOMINAL IN |
| Concentric Hole Depth | 1.750 INCHES NOMINAL IN |
| Body Outside Diameter | 0.623 INCHES NOMINAL IN |
| Body Groove Width | 0.115 INCHES NOMINAL IN |
| Style Designator | INTERNAL THREAD AND WRENCHING FLATS PUSH ROD END |
| Distance From Body Groove Center to Cam End | 0.745 INCHES NOMINAL IN |
| Flats Length | 0.312 INCHES NOMINAL IN |
| Adjustability | ADJUSTABLE |
| Body Groove Diameter | 0.610 INCHES NOMINAL IN |
| Cam End Height | 0.210 INCHES NOMINAL IN |
| Size Designation | STANDARD |
| Casehardening Indicator | CASEHARDENED |
| Concentric Hole Diameter | 0.375 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Casehardened Location | CAM END |
| 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 |
|---|---|
| 48030A PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 48030A | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 2805-00-401-9525 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 2805-00-401-9525 has 1 manufacturer part number on file: 48030A (Brinkley Technology Group Llc Dba Hercules Manufacturing).
Key specifications for 48030A: Cam End Diameter: 1.190 INCHES NOMINAL IN; Width Across Flats: 0.494 INCHES NOMINAL IN; Concentric Hole Depth: 1.750 INCHES NOMINAL IN; Body Outside Diameter: 0.623 INCHES NOMINAL IN. 18 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.