The Washer,key, cataloged under National Stock Number 5310-01-107-7815, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-107-7815 |
| Primary Part Number | 7793040-101 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Distance Including Keys | 4.156 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | AMS-5528 ASSN STD SINGLE MATERIAL RESPONSE OR AMS-5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 4.000 INCHES NOMINAL IN |
| Material Thickness | 0.079 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN |
| External Straight Key Width | 0.500 INCHES NOMINAL IN |
| External Key Quantity | 3 |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 631 OR STEEL COMP 630 OVERALL |
| Hole Diameter | 3.000 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 |
|---|---|
| 7793040-101 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics (USA) |
| Reference | Meaning |
|---|---|
| 7793040-101 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5310-01-107-7815 is a Washer,key, manufactured by Parker-Hannifin Corporation Dba Pneutronics, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-107-7815 has 1 manufacturer part number on file: 7793040-101 (Parker-Hannifin Corporation Dba Pneutronics).
Key specifications for 7793040-101: Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Distance Including Keys: 4.156 INCHES NOMINAL IN; Style Designator: KEY; Material Document and Classification: AMS-5528 ASSN STD SINGLE MATERIAL RESPONSE OR AMS-5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.