The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-580-3620, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastar Incorporated. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-580-3620 |
| Primary Part Number | 25CNFH1 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastar Incorporated |
| Status | ACTIVE |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Quantity Per Inch | 20 |
| 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 |
|---|---|
| 25CNFH1 | Fastar Incorporated (USA) |
| Reference | Meaning |
|---|---|
| JF700670 | 3/2 Design control — primary reference U.S. Government activity |
| JF700670 | 3/9 Design control — primary reference Dhs Systems Llc |
NSN 5310-01-580-3620 is a Nut,plain,hexagon, manufactured by Fastar Incorporated, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-580-3620 has 1 manufacturer part number on file: 25CNFH1 (Fastar Incorporated).
Key specifications for 25CNFH1: Nominal Thread Size: 0.250 INCHES IN; Part Name Assigned by Controlling Agency: NUT, 1/4-20, FOR J HUBS; End Item Identification: J SERIES SHELTER; ARMY; NHA: SY1-101-0002G, SY101-0002T G; Thread Quantity Per Inch: 20. 3 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.