The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-01-717-2774, 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 8 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 | 5310-01-717-2774 |
| Primary Part Number | BN14476M5A2 |
| Item Name | Nut,plain,extended Washer,hexago |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bossard Intl Inc |
| Status | ACTIVE |
| Washer Outside Diameter | 11.8 MILLIMETERS MAXIMUM11.8 MILLIMETERS MAXIMUM MM |
| Width Across Flats | 8.0 MILLIMETERS NOMINAL8.0 MILLIMETERS NOMINAL MM |
| Thread Series | MM |
| Thread Pitch in Millimeters | 0.80.8 |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Nominal Thread Size | 5.0 MILLIMETERS5.0 MILLIMETERS MM |
| Nut Style | HEXAGONHEXAGON |
| 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 |
|---|---|
| IN34530437X | Illca S.m.i S.r.l. (ITA) |
| BN14476M5A2 PRIMARY | Bossard Intl Inc (USA) |
NSN 5310-01-717-2774 is a Nut,plain,extended Washer,hexago, manufactured by Bossard Intl Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-717-2774 has 2 manufacturer part numbers on file: IN34530437X (Illca S.m.i S.r.l.), BN14476M5A2 (Bossard Intl Inc).
Key specifications for BN14476M5A2: Overall Height: 5.0 MILLIMETERS MAXIMUM5.0 MILLIMETERS MAXIMUM MM; Washer Outside Diameter: 11.8 MILLIMETERS MAXIMUM11.8 MILLIMETERS MAXIMUM MM; Width Across Flats: 8.0 MILLIMETERS NOMINAL8.0 MILLIMETERS NOMINAL MM; Thread Series: MM. 8 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.