The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-357-0088, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-357-0088 |
| Primary Part Number | MHN1-4 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Width Across Flats | 5.25 MILLIMETERS MINIMUM AND 5.50 MILLIMETERS MAXIMUM MM |
| Thread Series | ISO M |
| Thread Pitch in Millimeters | 0.50 |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 3.0 MILLIMETERS MM |
| Nut Height | 2.02 MILLIMETERS MINIMUM AND 2.40 MILLIMETERS MAXIMUM MM |
| Nut Style | HEXAGON |
| Material | STEEL 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 |
| Part Number | Manufacturer |
|---|---|
| MHN1-4 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
NSN 5310-01-357-0088 is a Nut,plain,hexagon, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-357-0088 has 1 manufacturer part number on file: MHN1-4 (Roller Bearing Co of America, Inc Div Pic Design).
Key specifications for MHN1-4: Width Across Flats: 5.25 MILLIMETERS MINIMUM AND 5.50 MILLIMETERS MAXIMUM MM; Thread Series: ISO M; Thread Pitch in Millimeters: 0.50; Thread Direction: RIGHT-HAND. 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.