The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-141-0434, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lehigh Armstrong Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-141-0434 |
| Primary Part Number | M4X16 DIN 912 STL |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lehigh Armstrong Inc |
| Status | ACTIVE |
| Width Across Flats | 3.0 MILLIMETERS NOMINAL MM |
| Head Height | 4.0 MILLIMETERS NOMINAL MM |
| Fastener Length | 16.00 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 0.7 |
| Thread Length | 14.6 MILLIMETERS MINIMUM AND 16.0 MILLIMETERS MAXIMUM MM |
| Hardness Rating | 18.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | DIN 912 8.8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 4.0 MILLIMETERS MM |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Minimum Tensile Strength | 113000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Material | STEEL 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 |
|---|---|
| M4X16 DIN 912 STL PRIMARY | Lehigh Armstrong Inc (USA) |
| Reference | Meaning |
|---|---|
| 4010604 M4X16 LG | C/1 Advisory reference — outside the item-of-supply concept Racal Survey Inc Div of Racal Data Communications Inc |
NSN 5305-01-141-0434 is a Screw,cap,socket Head, manufactured by Lehigh Armstrong Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-141-0434 has 1 manufacturer part number on file: M4X16 DIN 912 STL (Lehigh Armstrong Inc).
Key specifications for M4X16 DIN 912 STL: Width Across Flats: 3.0 MILLIMETERS NOMINAL MM; Head Height: 4.0 MILLIMETERS NOMINAL MM; Fastener Length: 16.00 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 0.7. 15 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.