The Washer,key, cataloged under National Stock Number 5310-01-327-6416, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Dba Insight Technology Div Integrated Vision Solutions. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-327-6416 |
| Primary Part Number | A3142026 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | L3 Technologies, Inc. Dba Insight Technology Div Integrated Vision Solutions |
| Status | ACTIVE |
| Hardness Rating | 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM |
| Outside Diameter | 0.755 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN |
| Material Thickness | 0.047 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN |
| External Straight Key Width | 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN |
| Distance From Centerline to End of Key | 1.850 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN |
| Material | RUBBER OVERALL |
| Hole Diameter | 0.480 INCHES MINIMUM AND 0.510 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 |
|---|---|
| A3142026 | L3 Technologies, Inc. Dba Insight Technology Div Integrated Vision Solutions (USA) |
| Reference | Meaning |
|---|---|
| A3142026 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-327-6416 is a Washer,key, manufactured by L3 Technologies, Inc. Dba Insight Technology Div Integrated Vision Solutions, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-327-6416 has 1 manufacturer part number on file: A3142026 (L3 Technologies, Inc. Dba Insight Technology Div Integrated Vision Solutions).
Key specifications for A3142026: Hardness Rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM; Outside Diameter: 0.755 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN; Material Thickness: 0.047 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN; External Straight Key Width: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN. 7 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.