The Screw,machine, cataloged under National Stock Number 5305-00-925-0478, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-925-0478 |
| Primary Part Number | 3M47-6-19 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 1.328 INCHES NOMINAL IN |
| Thread Length | 0.140 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Features Provided | O RING |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Thread Series Designator | UNF |
| Head Diameter | 0.755 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| 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 |
|---|---|
| HT403A6-19 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| HT6UA19 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HT6UA19 | Hi-Shear Corporation (USA) |
| HT6UA19 | Satair A/s (DNK) |
| HT6UA19 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| 3M47-6-19 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 54266-6-19 | 5/9 Secondary reference U.S. Government activity |
| 54266-6-19 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HT403A6-19 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| HT403A6-19 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-00-925-0478 is a Screw,machine, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-925-0478 has 6 manufacturer part numbers on file: HT403A6-19 (Fairchild Fasteners Europe - Vsd Gmbh), HT6UA19 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HT6UA19 (Hi-Shear Corporation), HT6UA19 (Satair A/s), HT6UA19 (Fairchild Fasteners Europe - Vsd Gmbh) and 1 more.
Key specifications for 3M47-6-19: Screw Surface Treatment: CADMIUM; Fastener Length: 1.328 INCHES NOMINAL IN; Thread Length: 0.140 INCHES MINIMUM IN; Nominal Thread Diameter: 0.375 INCHES IN. 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.