The Tappet Assembly,lifter, cataloged under National Stock Number 2910-00-217-0144, is classified within Federal Supply Class 2910 (Engine Fuel System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is The W.w. Williams Company, Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2910-00-217-0144 |
| Primary Part Number | 652ADDAC |
| Item Name | Tappet Assembly,lifter |
| FSC / FSG | 2910 / 29 — Engine Fuel System Components, Nonaircraft |
| Manufacturer | The W.w. Williams Company, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | MATL STEEL,ASSEMBLY INCLUDES BODY,LIFTER,ROLLER BUSHING AND PIN 3.372 IN. LARGEST DIA 3.183 IN. H 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 |
|---|---|
| 652ADDAC PRIMARY | The W.w. Williams Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 652ADDAC | 5/9 Secondary reference U.S. Government activity |
NSN 2910-00-217-0144 is a Tappet Assembly,lifter, manufactured by The W.w. Williams Company, Llc, classified under FSC 2910, Engine Fuel System Components, Nonaircraft. Status: active.
NSN 2910-00-217-0144 has 1 manufacturer part number on file: 652ADDAC (The W.w. Williams Company, Llc).
Key specifications for 652ADDAC: General Characteristics Item Description: MATL STEEL,ASSEMBLY INCLUDES BODY,LIFTER,ROLLER BUSHING AND PIN 3.372 IN. LARGEST DIA 3.183 IN. H IN. 1 specification is 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.