The Lock,valve Spring Retainer, cataloged under National Stock Number 2805-00-658-7286, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-658-7286 |
| Item Name | Lock,valve Spring Retainer |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Status | ACTIVE |
| Minimum Inside Diameter | 0.345 INCHES IN |
| Second Groove Width | 0.025 INCHES NOMINAL IN |
| Thread Provision | UNTHREADED |
| Largest Outside Diameter | 0.518 INCHES NOMINAL IN |
| Distance Between First and Second Groove Centers | 0.089 INCHES NOMINAL IN |
| Largest Inside Diameter | 0.370 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE W/TWO GROOVES |
| Distance From Bottom to First Groove Center | 0.125 INCHES NOMINAL IN |
| Outside Included Angle in Deg | 20.0 |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | STEEL |
| First Groove Width | 0.025 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| B8A-6518-A | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| B8A-6518-A | 3/9 Design control — primary reference Ford Motor Company |
NSN 2805-00-658-7286 is a Lock,valve Spring Retainer, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
Key specifications for 2805-00-658-7286: Overall Height: 0.378 INCHES NOMINAL IN; Minimum Inside Diameter: 0.345 INCHES IN; Second Groove Width: 0.025 INCHES NOMINAL IN; Thread Provision: UNTHREADED. 12 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.