The Washer,key, cataloged under National Stock Number 5310-00-099-8377, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Keysight Technologies Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-099-8377 |
| Primary Part Number | 08620-40008 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Internal Straight Key Width | 0.125 INCHES NOMINAL IN |
| Distance From Centerline to Top of Internal Key | 0.167 INCHES NOMINAL IN |
| Distance From Centerline to Inside of Prebent Key | 0.323 INCHES NOMINAL IN |
| External Prebent Key Length | 0.031 INCHES NOMINAL IN |
| Overall Distance Including Keys | 0.705 INCHES NOMINAL IN |
| Style Designator | KEY |
| Outside Diameter | 0.656 INCHES NOMINAL IN |
| Material Thickness | 0.038 INCHES NOMINAL IN |
| External Prebent Key Width | 0.207 INCHES NOMINAL IN |
| Material | PLASTIC OVERALL |
| Hole Diameter | 0.396 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 |
|---|---|
| 08620-40008 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 08620-40008 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 08620-40008 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
NSN 5310-00-099-8377 is a Washer,key, manufactured by Keysight Technologies Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-099-8377 has 1 manufacturer part number on file: 08620-40008 (Keysight Technologies Inc).
Key specifications for 08620-40008: Internal Straight Key Width: 0.125 INCHES NOMINAL IN; Distance From Centerline to Top of Internal Key: 0.167 INCHES NOMINAL IN; Distance From Centerline to Inside of Prebent Key: 0.323 INCHES NOMINAL IN; External Prebent Key Length: 0.031 INCHES NOMINAL IN. 11 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.