The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-206-8408, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-206-8408 |
| Primary Part Number | M4X16DIN912A2 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Width Across Flats | 3.0 MILLIMETERS NOMINAL MM |
| Head Height | 4.0 MILLIMETERS NOMINAL MM |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 16.00 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 0.70 |
| Thread Length | 14.6 MILLIMETERS MINIMUM AND 16.0 MILLIMETERS MAXIMUM MM |
| Nominal Thread Diameter | 4.0 MILLIMETERS MM |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Material | STEEL COMP 304 OVERALL |
| Thread Series Designator | M |
| Head Diameter | 7.0 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 |
|---|---|
| M4X16DIN912A2 | Din Deutsches Institut Fur Normung Ev (DEU) |
| M4X16DIN912A2 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| M4X16DIN912A2 | 5/9 Secondary reference U.S. Government activity |
| 301004-0116 | 5/9 Secondary reference A & H (aircraft) Ltd |
NSN 5305-01-206-8408 is a Screw,cap,socket Head, manufactured by Huck International, Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-206-8408 has 2 manufacturer part numbers on file: M4X16DIN912A2 (Din Deutsches Institut Fur Normung Ev), M4X16DIN912A2 (Huck International, Inc).
Key specifications for M4X16DIN912A2: Width Across Flats: 3.0 MILLIMETERS NOMINAL MM; Head Height: 4.0 MILLIMETERS NOMINAL MM; External Thread Tolerance Class: 6G G; Fastener Length: 16.00 MILLIMETERS NOMINAL MM. 13 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.