The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-668-3583, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-668-3583 |
| Primary Part Number | MS2580030A20000 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Fastenal Company Dba Fastenal Co |
| Status | ACTIVE |
| Width Across Flats | 1.58 MILLIMETERS NOMINAL MM |
| Head Height | 2.0 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 2.0 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HEXAGON |
| Material | STEEL OVERALL |
| Head Diameter | 3.98 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 |
|---|---|
| MS2580030A20000 | Fastenal Company Dba Fastenal Co (USA) |
| Reference | Meaning |
|---|---|
| 02311869 | 3/9 Design control — primary reference Grove U.s. Llc Dba Grove Us Llc |
NSN 5305-01-668-3583 is a Screw,cap,socket Head, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-668-3583 has 1 manufacturer part number on file: MS2580030A20000 (Fastenal Company Dba Fastenal Co).
Key specifications for MS2580030A20000: Width Across Flats: 1.58 MILLIMETERS NOMINAL MM; Head Height: 2.0 MILLIMETERS NOMINAL MM; Nominal Thread Diameter: 2.0 INCHES IN; Thread Direction: RIGHT-HAND. 8 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.