The Rocker Arm,engine Poppet Valve, cataloged under National Stock Number 2815-01-309-1014, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Walker Power Systems, Inc. Dba Tiernay Turbines. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2815-01-309-1014 |
| Primary Part Number | 212754-1 |
| Item Name | Rocker Arm,engine Poppet Valve |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Walker Power Systems, Inc. Dba Tiernay Turbines |
| Status | ACTIVE |
| 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 |
|---|---|
| 212754-1 PRIMARY | Walker Power Systems, Inc. Dba Tiernay Turbines (USA) |
| Reference | Meaning |
|---|---|
| 359673 | 5/9 Secondary reference U.S. Government activity |
NSN 2815-01-309-1014 is a Rocker Arm,engine Poppet Valve, manufactured by Walker Power Systems, Inc. Dba Tiernay Turbines, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-309-1014 has 1 manufacturer part number on file: 212754-1 (Walker Power Systems, Inc. Dba Tiernay Turbines).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-382-6469. Verify interchangeability with system specifications before substitution.
Key specifications for 212754-1: Special Features: STEEL,O/A W 0.540 IN.,NOSE HARDENED TO 58 ROCKWELL C,A MIN. DEPTH OF 0.020 IN. W/THREE HOLES,CENTER HOLE 0.626 IN. NOMINAL DIA. THRU,THREADED HOLE 0.217 IN. THRU TAP 1/4-28 UNF THRU,COUNTERSINK 1/4 MM BY 90 DEG.,TOP HOLE 4MM THRU COUNTERSINK 6MM BY 60 DEGREE,FOR EXHAUST END MM. 0 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.