The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-406-5449, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lep Special Fasteners, Inc Div Fontana Fasteners, Inc.. Government technical data includes 14 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 | 5305-01-406-5449 |
| Primary Part Number | LE1091217530 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lep Special Fasteners, Inc Div Fontana Fasteners, Inc. |
| Status | ACTIVE |
| Head Height | 6.17 MILLIMETERS MINIMUM AND 6.63 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 30.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 1.75 |
| Thread Length | 26.0 MILLIMETERS NOMINAL MM |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | SAE J1199 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 12.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 15.73 MILLIMETERS MINIMUM AND 16.00 MILLIMETERS MAXIMUM MM |
| Minimum Tensile Strength | 150800 POUNDS PER SQUARE INCH LBS |
| Material | STEEL PROPERTY CLASS 10.9 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 |
|---|---|
| LE1091217530 PRIMARY | Lep Special Fasteners, Inc Div Fontana Fasteners, Inc. (USA) |
NSN 5305-01-406-5449 is a Screw,cap,hexagon Head, manufactured by Lep Special Fasteners, Inc Div Fontana Fasteners, Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-406-5449 has 1 manufacturer part number on file: LE1091217530 (Lep Special Fasteners, Inc Div Fontana Fasteners, Inc.).
Key specifications for LE1091217530: Head Height: 6.17 MILLIMETERS MINIMUM AND 6.63 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 6G G; Fastener Length: 30.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 1.75. 14 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.