The Washer,keyway, cataloged under National Stock Number 5310-00-107-2065, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Textron Aviation Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-107-2065 |
| Primary Part Number | 3408-1 |
| Item Name | Washer,keyway |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| Distance From Centerline to Bottom of Internal Keyway | 1.336 INCHES NOMINAL IN |
| Internal Keyway Width | 0.250 INCHES NOMINAL IN |
| Outside Diameter | 3.345 INCHES NOMINAL IN |
| Material Thickness | 0.031 INCHES NOMINAL IN |
| Material | FIBERBOARD OVERALL |
| Hole Diameter | 2.422 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 |
|---|---|
| 3408-1 PRIMARY | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| 3408-1 | 3/9 Design control — primary reference Cessna Aircraft Company Dba Textron Aviation |
NSN 5310-00-107-2065 is a Washer,keyway, manufactured by Textron Aviation Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-107-2065 has 1 manufacturer part number on file: 3408-1 (Textron Aviation Inc).
4 possible matches (shared part number, not a government interchangeability claim): 6760-00-334-5121, 4410-00-962-2750, 5998-01-320-1713. Verify interchangeability with system specifications before substitution.
Key specifications for 3408-1: Distance From Centerline to Bottom of Internal Keyway: 1.336 INCHES NOMINAL IN; Internal Keyway Width: 0.250 INCHES NOMINAL IN; Outside Diameter: 3.345 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.