The Washer,recessed, cataloged under National Stock Number 5310-00-052-4409, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Commercial. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-052-4409 |
| Primary Part Number | BACW10BN7C |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Commercial |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Outside Diameter | 0.873 INCHES NOMINAL IN |
| Material Thickness | 0.068 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN |
| Specification/standard Data | 81205-BACW10BN MANUFACTURERS STANDARD |
| Recess Diameter | 0.545 INCHES MINIMUM AND 0.569 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.439 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN |
| Recess Angle | 80.000 DEGREES MINIMUM AND 100.000 DEGREES MAXIMUM |
| 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 |
|---|---|
| BACW10BN7C PRIMARY | The Boeing Company Div Commercial (USA) |
| Reference | Meaning |
|---|---|
| BACW10AKC7 | 3/2 Design control — primary reference U.S. Government activity |
| BACW10BN7C | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-052-4409 is a Washer,recessed, manufactured by The Boeing Company Div Commercial, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-052-4409 has 1 manufacturer part number on file: BACW10BN7C (The Boeing Company Div Commercial).
Key specifications for BACW10BN7C: Style Designator: RECESSED; Outside Diameter: 0.873 INCHES NOMINAL IN; Material Thickness: 0.068 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN; Specification/standard Data: 81205-BACW10BN MANUFACTURERS STANDARD. 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.