The Washer,keyway, cataloged under National Stock Number 5310-00-369-2228, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-369-2228 |
| Item Name | Washer,keyway |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| External Keyway Width | 0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| External Keyway Quantity | 1 |
| Surface Treatment Document and Classification | MIL-C-26074 CL 2 GR B MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.720 INCHES MINIMUM AND 1.735 INCHES MAXIMUM IN |
| Material Thickness | 0.031 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 1.460 INCHES MINIMUM AND 1.480 INCHES MAXIMUM IN |
| External Keyway Length | 0.035 INCHES MINIMUM AND 0.050 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 |
|---|---|
| 366609-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-369-2228 is a Washer,keyway, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-369-2228: External Keyway Width: 0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; External Keyway Quantity: 1; Surface Treatment Document and Classification: MIL-C-26074 CL 2 GR B MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 10 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.