The Screw,machine, cataloged under National Stock Number 5305-01-043-9266, 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 12 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-043-9266 |
| Primary Part Number | ST3M496-3-10 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fastener Length | 0.941 INCHES MINIMUM AND 0.971 INCHES MAXIMUM IN |
| Thread Length | 0.331 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL CORROSION RESISTING |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.376 INCHES MINIMUM AND 0.385 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 |
|---|---|
| ST3M496-3-10 PRIMARY | The Boeing Company Div Defense (USA) |
| 11913-3-10 | Reid Products Inc. Dba Reid Products Inc (USA) |
| HT4008-3-10 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HT4008-3-10 | Huck International, Inc (USA) |
| HT4008-3-10 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HT4008-3-10 | 5/2 Secondary reference U.S. Government activity |
| HT4008-3-10 | 5/9 Secondary reference U.S. Government activity |
| HT4008-3-10 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-043-9266 is a Screw,machine, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-043-9266 has 5 manufacturer part numbers on file: ST3M496-3-10 (The Boeing Company Div Defense), 11913-3-10 (Reid Products Inc. Dba Reid Products Inc), HT4008-3-10 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HT4008-3-10 (Huck International, Inc), HT4008-3-10 (Hi-Shear Corporation).
Key specifications for ST3M496-3-10: Fastener Length: 0.941 INCHES MINIMUM AND 0.971 INCHES MAXIMUM IN; Thread Length: 0.331 INCHES NOMINAL IN; Nominal Thread Diameter: 0.190 INCHES IN; Head Style: FLAT COUNTERSUNK. 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.