The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-668-5839, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Grove U.s. Llc Dba Grove Us Llc. Government technical data includes 12 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 | 5305-01-668-5839 |
| Primary Part Number | 01686242 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Grove U.s. Llc Dba Grove Us Llc |
| Status | ACTIVE |
| Width Across Flats | 6.14 MILLIMETERS NOMINAL MM |
| Head Height | 8.0 MILLIMETERS NOMINAL MM |
| External Thread Tolerance Class | 50.0 |
| Thread Pitch in Millimeters | 1.25 |
| Thread Length | 4.0 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 8.0 MILLIMETERS MM |
| Head Style | CHAMFER FLANGE |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL OVERALL |
| Hole Type | THREADED |
| Head Diameter | 13.27 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 01686242 PRIMARY | Grove U.s. Llc Dba Grove Us Llc (USA) |
| MS2580050A2000 | Fastenal Company Dba Fastenal Co (USA) |
NSN 5305-01-668-5839 is a Screw,cap,socket Head, manufactured by Grove U.s. Llc Dba Grove Us Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-668-5839 has 2 manufacturer part numbers on file: 01686242 (Grove U.s. Llc Dba Grove Us Llc), MS2580050A2000 (Fastenal Company Dba Fastenal Co).
Key specifications for 01686242: Width Across Flats: 6.14 MILLIMETERS NOMINAL MM; Head Height: 8.0 MILLIMETERS NOMINAL MM; External Thread Tolerance Class: 50.0; Thread Pitch in Millimeters: 1.25. 12 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.