The Washer,recessed, cataloged under National Stock Number 5310-00-209-2907, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Schneider Electric Usa, Inc.. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-209-2907 |
| Primary Part Number | 306D1X3 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Schneider Electric Usa, Inc. |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Outside Diameter | 0.778 INCHES MINIMUM AND 0.784 INCHES MAXIMUM IN |
| Recess Depth | 0.1565 INCHES NOMINAL IN |
| Material Thickness | 0.031 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.266 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 |
| Part Number | Manufacturer |
|---|---|
| 306D1X3 PRIMARY | Schneider Electric Usa, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 306D1X3 | 5/9 Secondary reference Schneider Electric Usa, Inc. |
NSN 5310-00-209-2907 is a Washer,recessed, manufactured by Schneider Electric Usa, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-209-2907 has 1 manufacturer part number on file: 306D1X3 (Schneider Electric Usa, Inc.).
Key specifications for 306D1X3: Overall Height: 0.188 INCHES NOMINAL IN; Style Designator: RECESSED; Outside Diameter: 0.778 INCHES MINIMUM AND 0.784 INCHES MAXIMUM IN; Recess Depth: 0.1565 INCHES NOMINAL IN. 7 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.