The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-143-6547, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Metric and Multistandard Components Corp. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-143-6547 |
| Primary Part Number | DIN 934 2.5X.45 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Metric and Multistandard Components Corp |
| Status | ACTIVE |
| Width Across Flats | 4.82 MILLIMETERS MINIMUM AND 4.82 MILLIMETERS MINIMUM AND 5.00 MILLIMETERS MAXIMUM5.00 MILLIMETERS MAXIMUM MM |
| Thread Tolerance Class | 6H INTERNAL6H INTERNAL |
| Thread Series | ISO MISO M |
| Thread Pitch in Millimeters | 0.450.45 |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Nominal Thread Size | 2.5 MILLIMETERS2.5 MILLIMETERS MM |
| Nut Height | 1.35 MILLIMETERS MINIMUM AND 1.35 MILLIMETERS MINIMUM AND 1.60 MILLIMETERS MAXIMUM1.60 MILLIMETERS MAXIMUM MM |
| Nut Style | HEXAGONHEXAGON |
| Material | STEEL CORROSION RESISTING OVERALL |
| Bearing Surface Type | FLATFLAT |
| 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 |
|---|---|
| DIN 934 2.5X.45 PRIMARY | Metric and Multistandard Components Corp (USA) |
| B4024749 | Department of the Army Hq United States Army Communications Research and Development Command (USA) |
| 74856 | Thales Defense & Security Inc Dba Thales Communications Inc (USA) |
| DIN 439B 2.5X.45 | Metric and Multistandard Components Corp (USA) |
| Reference | Meaning |
|---|---|
| M2.5X.45 | 5/9 Secondary reference Metric and Multistandard Components Corp |
| 439 ST M2.5X.45 | 5/9 Secondary reference Metric and Multistandard Components Corp |
NSN 5310-01-143-6547 is a Nut,plain,hexagon, manufactured by Metric and Multistandard Components Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-143-6547 has 4 manufacturer part numbers on file: DIN 934 2.5X.45 (Metric and Multistandard Components Corp), B4024749 (Department of the Army Hq United States Army Communications Research and Development Command), 74856 (Thales Defense & Security Inc Dba Thales Communications Inc), DIN 439B 2.5X.45 (Metric and Multistandard Components Corp).
1 possible match (shared part number, not a government interchangeability claim): 1630-01-391-9368. Verify interchangeability with system specifications before substitution.
Key specifications for DIN 934 2.5X.45: Width Across Flats: 4.82 MILLIMETERS MINIMUM AND 4.82 MILLIMETERS MINIMUM AND 5.00 MILLIMETERS MAXIMUM5.00 MILLIMETERS MAXIMUM MM; Thread Tolerance Class: 6H INTERNAL6H INTERNAL; Thread Series: ISO MISO M; Thread Pitch in Millimeters: 0.450.45. 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.