The Insert,engine Valve Seat, cataloged under National Stock Number 2805-00-392-4714, 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 Trw Inc Trw Intl Trade Government Sales Dept. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-392-4714 |
| Primary Part Number | K06A |
| Item Name | Insert,engine Valve Seat |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Trw Inc Trw Intl Trade Government Sales Dept |
| Status | ACTIVE |
| Body Outside Diameter | 1.503 INCHES MINIMUM AND 1.504 INCHES MAXIMUM IN |
| Hardness Rating | 37.0 ROCKWELL C MINIMUM BODY |
| Hardness Rating | 48.0 ROCKWELL C MAXIMUM FACE |
| Style Designator | PLAIN |
| Body Inside Diameter | 1.120 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL 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 |
|---|---|
| 220218B | Hobart Bros Co (USA) |
| 220218B | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| 220222B | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| K06A PRIMARY | Trw Inc Trw Intl Trade Government Sales Dept (USA) |
| Reference | Meaning |
|---|---|
| WAVG1708 | 5/9 Secondary reference Wausau Plant- Machining Div Muskegon Piston Ring Co a Questor Co |
| 220218B | 5/9 Secondary reference Hercules Engine Co Inc |
| 220222B | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 2805-00-392-4714 is a Insert,engine Valve Seat, manufactured by Trw Inc Trw Intl Trade Government Sales Dept, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-392-4714 has 4 manufacturer part numbers on file: 220218B (Hobart Bros Co), 220218B (Brinkley Technology Group Llc Dba Hercules Manufacturing), 220222B (Brinkley Technology Group Llc Dba Hercules Manufacturing), K06A (Trw Inc Trw Intl Trade Government Sales Dept).
Key specifications for K06A: Overall Height: 0.218 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN; Body Outside Diameter: 1.503 INCHES MINIMUM AND 1.504 INCHES MAXIMUM IN; Hardness Rating: 37.0 ROCKWELL C MINIMUM BODY; Hardness Rating: 48.0 ROCKWELL C MAXIMUM FACE. 9 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.