The Lock,valve Spring Retainer, cataloged under National Stock Number 2805-00-451-4830, 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 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-451-4830 |
| Item Name | Lock,valve Spring Retainer |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Status | ACTIVE |
| Minimum Inside Diameter | 0.318 INCHES IN |
| Thread Provision | UNTHREADED |
| Largest Outside Diameter | 0.508 INCHES NOMINAL IN |
| Largest Inside Diameter | 0.380 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 387109C1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2805-00-451-4830 is a Lock,valve Spring Retainer, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
Key specifications for 2805-00-451-4830: Overall Height: 0.395 INCHES NOMINAL IN; Minimum Inside Diameter: 0.318 INCHES IN; Thread Provision: UNTHREADED; Largest Outside Diameter: 0.508 INCHES NOMINAL IN. 5 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.