The Tappet,engine Poppet Valve, cataloged under National Stock Number 2805-00-188-9008, 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 Elgin Industries Inc. Dba. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2805-00-188-9008 |
| Primary Part Number | HL-1976 |
| Item Name | Tappet,engine Poppet Valve |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Elgin Industries Inc. Dba |
| Status | ACTIVE |
| Cam End Diameter | 0.904 INCHES NOMINAL IN |
| Body Outside Diameter | 0.902 INCHES NOMINAL IN |
| Cup Spherical Radius | 0.188 INCHES NOMINAL IN |
| Body Groove Width | 0.140 INCHES NOMINAL IN |
| Style Designator | COUNTERBORED PUSH ROD END |
| Distance From Body Groove Center to Cam End | 1.480 INCHES NOMINAL IN |
| Adjustability | NONADJUSTABLE |
| Counterbore Diameter | 0.644 INCHES NOMINAL IN |
| Body Groove Diameter | 0.783 INCHES NOMINAL IN |
| Size Designation | STANDARD |
| Casehardening Indicator | NOT CASEHARDENED |
| Concentric Hole Diameter | 0.531 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Casehardened Location | OVERALL |
| Operation Method | HYDRAULIC |
| 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 |
|---|---|
| HL-1976 | Elgin Industries Inc. Dba (USA) |
| VL65 | Trw Inc Trw Intl Trade Government Sales Dept (USA) |
| 3004647 | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| Reference | Meaning |
|---|---|
| 3004647 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2805-00-188-9008 is a Tappet,engine Poppet Valve, manufactured by Elgin Industries Inc. Dba, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-188-9008 has 3 manufacturer part numbers on file: HL-1976 (Elgin Industries Inc. Dba), VL65 (Trw Inc Trw Intl Trade Government Sales Dept), 3004647 (Chrysler Realty Company Llc Dba Daimler Chrysler).
1 possible match (shared part number, not a government interchangeability claim): 5320-01-004-0893. Verify interchangeability with system specifications before substitution.
Key specifications for HL-1976: Cam End Diameter: 0.904 INCHES NOMINAL IN; Body Outside Diameter: 0.902 INCHES NOMINAL IN; Cup Spherical Radius: 0.188 INCHES NOMINAL IN; Body Groove Width: 0.140 INCHES NOMINAL 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.