The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-411-9019, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Bossard Intl Inc. 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 | 5305-01-411-9019 |
| Primary Part Number | BN624 M6X20 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Bossard Intl Inc |
| Status | ACTIVE |
| Head Height | 3.85 MILLIMETERS MINIMUM AND 4.15 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 20.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 1.0 |
| Thread Length | 20.0 MILLIMETERS MAXIMUM MM |
| Material Document and Classification | AISI, COMP 316 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 6.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 9.78 MILLIMETERS MINIMUM AND 10.00 MILLIMETERS MAXIMUM MM |
| Material | STEEL COMP 316 OVERALL |
| Thread Series Designator | M |
| 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 |
|---|---|
| BN624 M6X20 PRIMARY | Bossard Intl Inc (USA) |
NSN 5305-01-411-9019 is a Screw,cap,hexagon Head, manufactured by Bossard Intl Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-411-9019 has 1 manufacturer part number on file: BN624 M6X20 (Bossard Intl Inc).
Key specifications for BN624 M6X20: Head Height: 3.85 MILLIMETERS MINIMUM AND 4.15 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 6G G; Fastener Length: 20.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 1.0. 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.