The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-517-5022, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Altech Corporation. Government technical data includes 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-517-5022 |
| Primary Part Number | 86.521 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Altech Corporation |
| Status | ACTIVE |
| Width Across Flats | 0.740 INCHES NOMINAL IN |
| Nut Height | 0.180 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 86.521 PRIMARY | Altech Corporation (USA) |
| Reference | Meaning |
|---|---|
| 161K0000 ITEM 168 | 5/9 Secondary reference U.S. Government activity |
| 160K0384 PN 86.521 | 5/9 Secondary reference U.S. Government activity |
| 160K0384-2 | 7/9 Vendor item drawing reference U.S. Government activity |
NSN 5310-01-517-5022 is a Nut,plain,hexagon, manufactured by Altech Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-517-5022 has 1 manufacturer part number on file: 86.521 (Altech Corporation).
Key specifications for 86.521: Width Across Flats: 0.740 INCHES NOMINAL IN; Nut Height: 0.180 INCHES NOMINAL IN; Nut Style: HEXAGON; End Item Identification: REVERSE OSMOSIS WATER PURIFICATION UNIT. 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.