The Screw,machine, cataloged under National Stock Number 5305-01-339-8640, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Metric and Multistandard Components Corp. Government technical data includes 12 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 | 5305-01-339-8640 |
| Primary Part Number | DIN 963 ST M5X20 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Metric and Multistandard Components Corp |
| Status | ACTIVE |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 20.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 0.8 |
| Thread Length | 15.9 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 5.0 MILLIMETERS MM |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 304 |
| Internal Drive Style | SLOT |
| Countersink Angle | 90.0 DEGREES NOMINAL |
| Thread Series Designator | M |
| Head Diameter | 9.2 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 |
|---|---|
| DIN 963 ST M5X20 PRIMARY | Metric and Multistandard Components Corp (USA) |
NSN 5305-01-339-8640 is a Screw,machine, manufactured by Metric and Multistandard Components Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-339-8640 has 1 manufacturer part number on file: DIN 963 ST M5X20 (Metric and Multistandard Components Corp).
Key specifications for DIN 963 ST M5X20: External Thread Tolerance Class: 6G G; Fastener Length: 20.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 0.8; Thread Length: 15.9 MILLIMETERS NOMINAL MM. 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.