The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-559-5273, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is International Electrotechnical Commission (iec). Government technical data includes 9 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 | 5310-01-559-5273 |
| Primary Part Number | ISO4036-M4-A2-70 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | International Electrotechnical Commission (iec) |
| Status | ACTIVE |
| Width Across Flats | 7.0 MILLIMETERS NOMINAL MM |
| Thread Series | M |
| Thread Pitch in Millimeters | 0.70 |
| Hardness Rating | 60.0 ROCKWELL B NOMINAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 4.0 MILLIMETERS MM |
| Nut Height | 2.2 MILLIMETERS NOMINAL MM |
| Nut Style | HEXAGON |
| Material | STEEL 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 |
|---|---|
| ISO4036-M4-A2-70 PRIMARY | International Electrotechnical Commission (iec) (CHE) |
| 90710A035 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 5310-01-559-5273 is a Nut,plain,hexagon, manufactured by International Electrotechnical Commission (iec), classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-559-5273 has 2 manufacturer part numbers on file: ISO4036-M4-A2-70 (International Electrotechnical Commission (iec)), 90710A035 (Mcmaster-Carr Supply Co).
Key specifications for ISO4036-M4-A2-70: Width Across Flats: 7.0 MILLIMETERS NOMINAL MM; Thread Series: M; Thread Pitch in Millimeters: 0.70; Hardness Rating: 60.0 ROCKWELL B NOMINAL. 9 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.