The Washer,slotted, cataloged under National Stock Number 5310-00-822-0469, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-822-0469 |
| Primary Part Number | 503820 |
| Item Name | Washer,slotted |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Style Designator | SLOTTED |
| Material Document and Classification | AISI ASSN STD 1ST MATERIAL RESPONSE OR AMS5513 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5516 ASSN STD 3RD MATERIAL RESPONSE OR AMS 5518 ASSN STD 4TH MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.380 INCHES NOMINAL IN |
| Material Thickness | 0.031 INCHES NOMINAL IN |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL |
| Hole Diameter | 0.160 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 |
|---|---|
| 503820 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 503820 | 3/9 Design control — primary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 5310-00-822-0469 is a Washer,slotted, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-822-0469 has 1 manufacturer part number on file: 503820 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 503820: Style Designator: SLOTTED; Material Document and Classification: AISI ASSN STD 1ST MATERIAL RESPONSE OR AMS5513 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5516 ASSN STD 3RD MATERIAL RESPONSE OR AMS 5518 ASSN STD 4TH MATERIAL RESPONSE OVERALL; Outside Diameter: 0.380 INCHES NOMINAL IN; Material Thickness: 0.031 INCHES NOMINAL IN. 6 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.