The Insert,engine Valve Seat, cataloged under National Stock Number 2805-00-448-0664, 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 Wisconsin Motors, Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-448-0664 |
| Primary Part Number | HG156D |
| Item Name | Insert,engine Valve Seat |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Wisconsin Motors, Llc |
| Status | ACTIVE |
| Body Outside Diameter | 1.190 INCHES MINIMUM AND 1.191 INCHES MAXIMUM IN |
| Hardness Rating | 53.0 ROCKWELL C MINIMUM BODY |
| Hardness Rating | 58.0 ROCKWELL C MAXIMUM FACE |
| Style Designator | PLAIN |
| Body Inside Diameter | 0.965 INCHES MINIMUM AND 0.969 INCHES MAXIMUM IN |
| Material | COBALT ALLOY OVERALL |
| Seat Angle in Deg | 0.750 NOMINAL |
| Seating Surface Shape | ANGULAR |
| 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 |
|---|---|
| HG156D PRIMARY | Wisconsin Motors, Llc (USA) |
| Reference | Meaning |
|---|---|
| WPP82 | 5/9 Secondary reference Siemens Water Technologies Corp. Div Wallace & Tiernan Products |
| WAUG3200 | 5/9 Secondary reference Wausau Plant- Machining Div Muskegon Piston Ring Co a Questor Co |
NSN 2805-00-448-0664 is a Insert,engine Valve Seat, manufactured by Wisconsin Motors, Llc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-448-0664 has 1 manufacturer part number on file: HG156D (Wisconsin Motors, Llc).
Key specifications for HG156D: Overall Height: 0.185 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN; Body Outside Diameter: 1.190 INCHES MINIMUM AND 1.191 INCHES MAXIMUM IN; Hardness Rating: 53.0 ROCKWELL C MINIMUM BODY; Hardness Rating: 58.0 ROCKWELL C MAXIMUM FACE. 8 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.