The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-559-3192, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company Div Flpan. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-559-3192 |
| Primary Part Number | M42600040A20000 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Fastenal Company Div Flpan |
| Status | ACTIVE |
| Width Across Flats | 6.0 MILLIMETERS MINIMUM AND 6.1 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 40.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 1.5 |
| Nominal Thread Diameter | 10.0 MILLIMETERS MM |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | M |
| Head Diameter | 19.5 MILLIMETERS MINIMUM AND 20.0 MILLIMETERS MAXIMUM 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 |
|---|---|
| M42600040A20000 PRIMARY | Fastenal Company Div Flpan (USA) |
NSN 5305-01-559-3192 is a Screw,cap,socket Head, manufactured by Fastenal Company Div Flpan, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-559-3192 has 1 manufacturer part number on file: M42600040A20000 (Fastenal Company Div Flpan).
Key specifications for M42600040A20000: Width Across Flats: 6.0 MILLIMETERS MINIMUM AND 6.1 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 6G G; Fastener Length: 40.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 1.5. 11 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.