The Valve,poppet,engine, cataloged under National Stock Number 2815-00-127-9015, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Deere & Co. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2815-00-127-9015 |
| Primary Part Number | T20174 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Deere & Co |
| Status | ACTIVE |
| Stem Diameter | 0.3720 INCHES NOMINAL IN |
| Head Height | 0.1780 INCHES NOMINAL IN |
| Stem Length | 4.9820 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Neck Radius | 0.3750 INCHES NOMINAL IN |
| Groove Diameter | 0.3280 INCHES NOMINAL IN |
| Distance From Groove to Stem End | 0.3490 INCHES NOMINAL IN |
| Outside Diameter | 1.7720 INCHES NOMINAL IN |
| Stem Style | GROOVED |
| Head Style | FLAT |
| Carbon Relief Groove | NOT INCLUDED |
| Material | STEEL OVERALL |
| Groove Width | 0.1000 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 |
|---|---|
| T20174 PRIMARY | Deere & Co (USA) |
| Reference | Meaning |
|---|---|
| 36299 | 5/9 Secondary reference U.S. Government activity |
NSN 2815-00-127-9015 is a Valve,poppet,engine, manufactured by Deere & Co, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-127-9015 has 1 manufacturer part number on file: T20174 (Deere & Co).
1 possible match (shared part number, not a government interchangeability claim): 5330-00-297-7018. Verify interchangeability with system specifications before substitution.
Key specifications for T20174: Stem Diameter: 0.3720 INCHES NOMINAL IN; Head Height: 0.1780 INCHES NOMINAL IN; Stem Length: 4.9820 INCHES NOMINAL IN; Seat Angle in Deg: 45.0. 13 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.