The Valve,poppet,engine, cataloged under National Stock Number 2815-00-192-7549, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Deere & Company Dba Deere John Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2815-00-192-7549 |
| Primary Part Number | R43883 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Deere & Company Dba Deere John Co |
| Status | ACTIVE |
| Stem Diameter | 0.3735 INCHES NOMINAL IN |
| Head Height | 0.1835 INCHES NOMINAL IN |
| Second Groove Width | 0.0725 INCHES NOMINAL IN |
| Stem Length | 6.1875 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Chamfer Length | 0.0315 INCHES NOMINAL IN |
| Neck Radius | 0.3281 INCHES NOMINAL IN |
| Outside Diameter | 1.9000 INCHES NOMINAL IN |
| Distance From First Groove to Stem End | 0.3755 INCHES NOMINAL IN |
| Stem Style | DOUBLE GROOVED |
| First Groove Diameter | 0.3325 INCHES NOMINAL IN |
| Head Style | FLAT |
| Distance From Second Groove to Stem End | 0.5040 INCHES NOMINAL IN |
| Carbon Relief Groove | NOT INCLUDED |
| Chamfer Angle in Deg | 45.0 |
| Second Groove Diameter | 0.3008 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| First Groove Width | 0.0755 INCHES NOMINAL IN |
| 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 |
|---|---|
| R43883 PRIMARY | Deere & Company Dba Deere John Co (USA) |
| Reference | Meaning |
|---|---|
| R43883 | 5/9 Secondary reference Deere & Co |
NSN 2815-00-192-7549 is a Valve,poppet,engine, manufactured by Deere & Company Dba Deere John Co, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-192-7549 has 1 manufacturer part number on file: R43883 (Deere & Company Dba Deere John Co).
Key specifications for R43883: Stem Diameter: 0.3735 INCHES NOMINAL IN; Head Height: 0.1835 INCHES NOMINAL IN; Second Groove Width: 0.0725 INCHES NOMINAL IN; Stem Length: 6.1875 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.