The Washer,lock, cataloged under National Stock Number 5310-01-435-1727, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Key Bellevilles Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-435-1727 |
| Primary Part Number | 34-16 .3-2.0 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Key Bellevilles Inc |
| Status | ACTIVE |
| Outside Diameter | 1.340 INCHES NOMINAL IN |
| Material Thickness | 0.079 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Diameter | 0.642 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 |
|---|---|
| 34-16 .3-2.0 PRIMARY | Key Bellevilles Inc (USA) |
| 211075673 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 211075673 | Naval Sea Systems Command (USA) |
| 6405283 FIND 35 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 34-16.3-2.0 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 6405283 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5310-01-435-1727 is a Washer,lock, manufactured by Key Bellevilles Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-435-1727 has 4 manufacturer part numbers on file: 34-16 .3-2.0 (Key Bellevilles Inc), 211075673 (Huntington Ingalls Inc Div Newport News Shipbuilding), 211075673 (Naval Sea Systems Command), 6405283 FIND 35 (Naval Sea Systems Command).
Key specifications for 34-16 .3-2.0: Outside Diameter: 1.340 INCHES NOMINAL IN; Material Thickness: 0.079 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING OVERALL; Hole Diameter: 0.642 INCHES NOMINAL IN. 4 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.