The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-661-7022, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bossard Intl Inc. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-661-7022 |
| Primary Part Number | 1348426 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bossard Intl Inc |
| Status | ACTIVE |
| Width Across Flats | 5.0 MILLIMETERS NOMINAL MM |
| Thread Tolerance Class | 6H INTERNAL |
| Thread Series | M |
| Thread Pitch in Millimeters | 0.45 |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 2.5 MILLIMETERS MM |
| Nut Height | 2.0 MILLIMETERS NOMINAL MM |
| Nut Style | HEXAGON |
| Material | STEEL COMP A4 OVERALL |
| Bearing Surface Type | FLAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-661-7022 is a Nut,plain,hexagon, manufactured by Bossard Intl Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-661-7022 has 2 manufacturer part numbers on file: 1348426 (Bossard Intl Inc), BN629M2.5 (Bossard Intl Inc).
Key specifications for 1348426: Width Across Flats: 5.0 MILLIMETERS NOMINAL MM; Thread Tolerance Class: 6H INTERNAL; Thread Series: M; Thread Pitch in Millimeters: 0.45. 10 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.