The Washer,recessed, cataloged under National Stock Number 5310-01-019-8898, 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 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-019-8898 |
| Primary Part Number | 63-8605 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Commercial |
| Status | ACTIVE |
| Outside Diameter | 1.250 INCHES NOMINAL IN |
| Recess Depth | 0.160 INCHES NOMINAL IN |
| Hole Diameter | 0.750 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 |
|---|---|
| 63-8605 PRIMARY | The Boeing Company Div Commercial (USA) |
| Reference | Meaning |
|---|---|
| 63-8605 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-019-8898 is a Washer,recessed, manufactured by The Boeing Company Div Commercial, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-019-8898 has 1 manufacturer part number on file: 63-8605 (The Boeing Company Div Commercial).
Key specifications for 63-8605: Overall Height: 0.400 INCHES NOMINAL IN; Outside Diameter: 1.250 INCHES NOMINAL IN; Recess Depth: 0.160 INCHES NOMINAL IN; Hole Diameter: 0.750 INCHES NOMINAL IN. 3 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.