The Washer,lock, cataloged under National Stock Number 5310-01-162-9745, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lehigh Armstrong Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-162-9745 |
| Primary Part Number | A6.4DIN6797 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lehigh Armstrong Inc |
| Status | ACTIVE |
| Hardness Rating | 41.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| Style Designator | FLAT EXTERNAL TEETH |
| Material Document and Classification | DIN 17222,FSCM D8286 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 11.0 MILLIMETERS NOMINAL MM |
| Material Thickness | 0.7 MILLIMETERS NOMINAL MM |
| Material | STEEL OVERALL |
| Hole Diameter | 6.4 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| A6.4DIN6797 PRIMARY | Lehigh Armstrong Inc (USA) |
| Reference | Meaning |
|---|---|
| DIN6797-A6.4 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| DIN6797-A6.4 | 5/9 Secondary reference Lehigh Armstrong Inc |
NSN 5310-01-162-9745 is a Washer,lock, manufactured by Lehigh Armstrong Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-162-9745 has 1 manufacturer part number on file: A6.4DIN6797 (Lehigh Armstrong Inc).
Key specifications for A6.4DIN6797: Hardness Rating: 41.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM; Style Designator: FLAT EXTERNAL TEETH; Material Document and Classification: DIN 17222,FSCM D8286 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 11.0 MILLIMETERS NOMINAL MM. 7 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.