The Washer,key, cataloged under National Stock Number 5310-01-116-4435, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-116-4435 |
| Primary Part Number | 145D0114-100 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-P-16232,TYPE Z,CLASS 4A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| Style Designator | KEY |
| Material Document and Classification | AMS6359 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 6.010 INCHES MINIMUM AND 6.030 INCHES MAXIMUM IN |
| External Straight Key Width | 0.485 INCHES NOMINAL IN |
| External Key Quantity | 2 |
| Surface Treatment | PHOSPHATE OVERALL |
| Material | STEEL OVERALL |
| Internal Key Quantity | 9 |
| Hole Diameter | 5.290 INCHES MINIMUM AND 5.310 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 |
|---|---|
| 145D0114-100 PRIMARY | The Boeing Company (USA) |
NSN 5310-01-116-4435 is a Washer,key, manufactured by The Boeing Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-116-4435 has 1 manufacturer part number on file: 145D0114-100 (The Boeing Company).
Key specifications for 145D0114-100: Surface Treatment Document and Classification: MIL-P-16232,TYPE Z,CLASS 4A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A; Hardness Rating: 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM; Style Designator: KEY; Material Document and Classification: AMS6359 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6415 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.