The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-203-8392, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Micro Plastics Inc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-203-8392 |
| Primary Part Number | 04M030050HN |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Micro Plastics Inc |
| Status | ACTIVE |
| Width Across Flats | 5.40 MILLIMETERS NOMINAL MM |
| Thread Tolerance Class | 4H6H INTERNAL |
| Thread Series | M |
| Thread Pitch in Millimeters | 0.60 |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 3.5 MILLIMETERS MM |
| Nut Height | 2.2 MILLIMETERS NOMINAL MM |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Material | PLASTIC POLYAMIDE NYLON 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 |
|---|---|
| B90873 | Mbda Uk Ltd (GBR) |
| 04M030050HN PRIMARY | Micro Plastics Inc (USA) |
| 999/4/30458/000 | Bae Systems Maritime Services (GBR) |
| Reference | Meaning |
|---|---|
| 999/4/30458/000 | 5/9 Secondary reference G E C Marconi S3i Ltd Combat Systems Division |
NSN 5310-01-203-8392 is a Nut,plain,hexagon, manufactured by Micro Plastics Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-203-8392 has 3 manufacturer part numbers on file: B90873 (Mbda Uk Ltd), 04M030050HN (Micro Plastics Inc), 999/4/30458/000 (Bae Systems Maritime Services).
Key specifications for 04M030050HN: Width Across Flats: 5.40 MILLIMETERS NOMINAL MM; Thread Tolerance Class: 4H6H INTERNAL; Thread Series: M; Thread Pitch in Millimeters: 0.60. 11 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.