The Washer,key, cataloged under National Stock Number 5310-00-186-1069, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-186-1069 |
| Primary Part Number | 12Z335-243 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Internal Prebent Key Width | 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 3.344 INCHES MAXIMUM IN |
| Hardness Rating | 50.0 ROCKWELL B MINIMUM AND 81.0 ROCKWELL B MAXIMUM |
| Style Designator | KEY |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 2.844 INCHES MINIMUM AND 2.874 INCHES MAXIMUM IN |
| Material Thickness | 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN |
| External Key Quantity | 17 |
| Internal Prebent Key Length | 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| External Prebent Key Width | 0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN |
| Material | STEEL COMP 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1025 OR STEEL COMP 1030 OR STEEL COMP 1035 OVERALL |
| Hole Diameter | 2.400 INCHES MINIMUM AND 2.425 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 |
| Part Number | Manufacturer |
|---|---|
| 12Z335-243 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| MILW21338TYPE1CLASS2SIZ12 | 4/1 Identification reference U.S. Government activity |
NSN 5310-00-186-1069 is a Washer,key, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-186-1069 has 1 manufacturer part number on file: 12Z335-243 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 12Z335-243: Internal Prebent Key Width: 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN; Overall Distance Including Keys: 3.344 INCHES MAXIMUM IN; Hardness Rating: 50.0 ROCKWELL B MINIMUM AND 81.0 ROCKWELL B MAXIMUM; Style Designator: KEY. 13 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.