The Washer,recessed, cataloged under National Stock Number 5310-00-219-0719, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-219-0719 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Material Document and Classification | QQ-A-250/4,TEMPER 0 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 3.625 INCHES MINIMUM AND 3.688 INCHES MAXIMUM IN |
| Recess Depth | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Material Thickness | 0.054 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Hole Diameter | 1.250 INCHES MINIMUM AND 1.281 INCHES MAXIMUM 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 |
|---|---|
| 2406311 | 3/2 Design control — primary reference U.S. Government activity |
| 2406311 | 5/9 Secondary reference The Boeing Company |
NSN 5310-00-219-0719 is a Washer,recessed, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-219-0719: Overall Height: 0.131 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN; Style Designator: RECESSED; Material Document and Classification: QQ-A-250/4,TEMPER 0 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 3.625 INCHES MINIMUM AND 3.688 INCHES MAXIMUM 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.