The Tappet,engine Poppet Valve, cataloged under National Stock Number 2805-00-422-5918, 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 Cnh Industrial America Llc Dba Cnh America. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-422-5918 |
| Primary Part Number | 4472A |
| Item Name | Tappet,engine Poppet Valve |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Cnh Industrial America Llc Dba Cnh America |
| Status | ACTIVE |
| FSC Application Data | TAPPETS,ENGINE POPPET VALVE,GASOLINE RECEIPROCATING,EXCEPT AIRCRAFT PRIME MOVING AND STARTING ENGINE TYPES |
| Cam End Diameter | 1.547 INCHES NOMINAL IN |
| Crown Height | 0.003 INCHES MAXIMUM IN |
| Concentric Hole Depth | 2.589 INCHES MINIMUM AND 2.599 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.997 INCHES MINIMUM AND 0.998 INCHES MAXIMUM IN |
| Cup Spherical Radius | 0.297 INCHES NOMINAL IN |
| Cup Depth | 0.125 INCHES NOMINAL IN |
| Metallic Hardness Rating and Location | 45.7 ROCKWELL C MINIMUM CAM END AND 52.1 ROCKWELL C MAXIMUM CAM END |
| Adjustability | NONADJUSTABLE |
| Cam End Height | 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Size Designation | STANDARD |
| Casehardening Indicator | NOT CASEHARDENED |
| Concentric Hole Diameter | 0.750 INCHES NOMINAL IN |
| Material | IRON CAST 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 |
|---|---|
| 4472A PRIMARY | Cnh Industrial America Llc Dba Cnh America (USA) |
NSN 2805-00-422-5918 is a Tappet,engine Poppet Valve, manufactured by Cnh Industrial America Llc Dba Cnh America, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-422-5918 has 1 manufacturer part number on file: 4472A (Cnh Industrial America Llc Dba Cnh America).
Key specifications for 4472A: FSC Application Data: TAPPETS,ENGINE POPPET VALVE,GASOLINE RECEIPROCATING,EXCEPT AIRCRAFT PRIME MOVING AND STARTING ENGINE TYPES; Cam End Diameter: 1.547 INCHES NOMINAL IN; Crown Height: 0.003 INCHES MAXIMUM IN; Concentric Hole Depth: 2.589 INCHES MINIMUM AND 2.599 INCHES MAXIMUM IN. 15 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.