The Nut,plain,barrel, cataloged under National Stock Number 5310-01-642-0561, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Vfc Incorporated. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-642-0561 |
| Primary Part Number | GRC58SS |
| Item Name | Nut,plain,barrel |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Vfc Incorporated |
| Status | ACTIVE |
| Nut Length | 0.625 INCHES NOMINAL IN |
| Nut Style | PLAIN BARREL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-642-0561 is a Nut,plain,barrel, manufactured by Vfc Incorporated, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-642-0561 has 2 manufacturer part numbers on file: 70-00255 (L3harris Imsa Systems Australia Pty Ltd L3harris Integrated Mission), GRC58SS (Vfc Incorporated).
Key specifications for GRC58SS: Nut Length: 0.625 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: COUPLING GROUND ROD TO ROD; Nut Style: PLAIN BARREL; End Item Identification: ASSY.TRANSIT CASE 2/2,EBEM MODEM KIT P/N SP-0193-2100-01T. 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.