The Washer,key, cataloged under National Stock Number 5310-00-186-0995, 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 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-186-0995 |
| Primary Part Number | 12Z10002-3 |
| 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 |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Internal Prebent Key Width | 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 1.156 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 ROCKWELL B MINIMUM AND 90.0 ROCKWELL B MAXIMUM |
| Style Designator | KEY |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.812 INCHES MINIMUM AND 0.827 INCHES MAXIMUM IN |
| Material Thickness | 0.038 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN |
| Departure From Cited Designator | AS MODIFIED BY EXTERNAL PREBENT KEY WIDTH |
| External Key Quantity | 11 |
| Internal Prebent Key Length | 0.062 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| External Prebent Key Width | 0.108 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL |
| Hole Diameter | 0.601 INCHES MINIMUM AND 0.616 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 |
|---|---|
| 12Z10002-3 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 183400PC14 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| MILW21338TYPE1CLASS4SIZE02 | 4/1 Identification reference U.S. Government activity |
| MS19070-023 | 4/1 Identification reference U.S. Government activity |
NSN 5310-00-186-0995 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 5310-00-186-0995 has 2 manufacturer part numbers on file: 12Z10002-3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 183400PC14 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 12Z10002-3: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Internal Prebent Key Width: 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Overall Distance Including Keys: 1.156 INCHES MAXIMUM IN; Hardness Rating: 70.0 ROCKWELL B MINIMUM AND 90.0 ROCKWELL B MAXIMUM. 15 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.