The Washer,key, cataloged under National Stock Number 5310-01-043-7342, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-043-7342 |
| Primary Part Number | 16H1716-23 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co |
| Status | ACTIVE |
| Internal Straight Key Width | 0.125 INCHES NOMINAL IN |
| Distance From Centerline to Top of Internal Key | 1.169 INCHES NOMINAL IN |
| Overall Distance Including Keys | 3.380 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | AMS 5520 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 3.000 INCHES NOMINAL IN |
| Material Thickness | 0.071 INCHES NOMINAL IN |
| External Straight Key Width | 0.125 INCHES NOMINAL IN |
| External Key Quantity | 2 |
| Material | STEEL OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 2.530 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 |
|---|---|
| 16H1716-23 | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co (USA) |
| Reference | Meaning |
|---|---|
| 16H1716-17 | 5/9 Secondary reference U.S. Government activity |
| 16H1716-23 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-043-7342 is a Washer,key, manufactured by Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-043-7342 has 1 manufacturer part number on file: 16H1716-23 (Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co).
Key specifications for 16H1716-23: Internal Straight Key Width: 0.125 INCHES NOMINAL IN; Distance From Centerline to Top of Internal Key: 1.169 INCHES NOMINAL IN; Overall Distance Including Keys: 3.380 INCHES NOMINAL IN; Style Designator: KEY. 12 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.