The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-445-3333, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Spectro Scientific, Inc Dba Spectro Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-445-3333 |
| Primary Part Number | H10109 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Spectro Scientific, Inc Dba Spectro Inc |
| Status | ACTIVE |
| Width Across Flats | 5.5 MILLIMETERS NOMINAL MM |
| Thread Tolerance Class | 6H INTERNAL |
| Thread Series | M |
| Thread Pitch in Millimeters | 0.50 |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 3.0 MILLIMETERS MM |
| Nut Height | 2.5 MILLIMETERS NOMINAL MM |
| Nut Style | HEXAGON |
| Material | STEEL COMP 304 OVERALL |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| H10109 PRIMARY | Spectro Scientific, Inc Dba Spectro Inc (USA) |
| Reference | Meaning |
|---|---|
| 934M3X2.5-A2 | C/1 Advisory reference — outside the item-of-supply concept Metric and Multistandard Components Corp |
| 934M3X0.5X2.5-A2 | 5/9 Secondary reference Metric and Multistandard Components Corp |
NSN 5310-01-445-3333 is a Nut,plain,hexagon, manufactured by Spectro Scientific, Inc Dba Spectro Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-445-3333 has 1 manufacturer part number on file: H10109 (Spectro Scientific, Inc Dba Spectro Inc).
Key specifications for H10109: Width Across Flats: 5.5 MILLIMETERS NOMINAL MM; Thread Tolerance Class: 6H INTERNAL; Thread Series: M; Thread Pitch in Millimeters: 0.50. 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.