The Washer,slotted, cataloged under National Stock Number 5310-01-020-6920, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-020-6920 |
| Item Name | Washer,slotted |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | SLOTTED |
| Material Document and Classification | QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR MIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Material Thickness | 0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 302 OR STEEL COMP 303 OVERALL |
| Hole Diameter | 0.280 INCHES MINIMUM AND 0.282 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 |
|---|---|
| 2733847 | 3/9 Design control — primary reference U.S. Government activity |
| 2733847 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-020-6920 is a Washer,slotted, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-020-6920: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: SLOTTED; Material Document and Classification: QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR MIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL; Outside Diameter: 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN. 8 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.