The Washer,key, cataloged under National Stock Number 5310-00-343-4161, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-343-4161 |
| Primary Part Number | 68A450671-2001 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Wire Hole Diameter | 0.074 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | PS13145,TY 1,CL 2 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Internal Prebent Key Width | 0.114 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN |
| Style Designator | INTERNAL PREBENT KEY |
| Material Document and Classification | MIL-S-18729 COND A,N MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.980 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN |
| Material Thickness | 0.090 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Material | STEEL OVERALL |
| Hole Diameter | 0.751 INCHES MINIMUM AND 0.765 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 |
|---|---|
| 68A450671-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| 1850A89 | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1850A89 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 5310-00-343-4161 is a Washer,key, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-343-4161 has 2 manufacturer part numbers on file: 68A450671-2001 (The Boeing Company Div Defense), 1850A89 (Goodrich Corporation).
Key specifications for 68A450671-2001: Wire Hole Diameter: 0.074 INCHES NOMINAL IN; Surface Treatment Document and Classification: PS13145,TY 1,CL 2 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Internal Prebent Key Width: 0.114 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN; Style Designator: INTERNAL PREBENT KEY. 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.