The Washer,key, cataloged under National Stock Number 5310-01-374-2300, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-374-2300 |
| Primary Part Number | 741062A00 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 1.000 INCHES NOMINAL IN |
| Split Key Length | 0.230 INCHES NOMINAL IN |
| External Prebent Key Length | 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 1.965 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN |
| External Tapered Key Width | 0.655 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN |
| Material Thickness | 0.031 INCHES NOMINAL IN |
| External Key Quantity | 3 |
| External Prebent Key Width | 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| Material | STEEL COMP 304 OVERALL |
| Angle Between External Keys | 90.0 DEGREES NOMINAL |
| Hole Diameter | 1.360 INCHES MINIMUM AND 1.390 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 |
|---|---|
| 741062A00 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
NSN 5310-01-374-2300 is a Washer,key, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-374-2300 has 1 manufacturer part number on file: 741062A00 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.).
Key specifications for 741062A00: Distance From Centerline to Inside of Prebent Key: 1.000 INCHES NOMINAL IN; Split Key Length: 0.230 INCHES NOMINAL IN; External Prebent Key Length: 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN; Overall Distance Including Keys: 1.965 INCHES NOMINAL IN. 14 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.