The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-047-1069, 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 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-047-1069 |
| Primary Part Number | ST3M506-5-17 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fastener Length | 1.513 INCHES MINIMUM AND 1.560 INCHES MAXIMUM IN |
| Thread Length | 0.467 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.461 INCHES MINIMUM AND 0.509 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 |
|---|---|
| ST3M506-5-17 PRIMARY | The Boeing Company Div Defense (USA) |
| 11919-5-17 | Reid Products Inc. Dba Reid Products Inc (USA) |
| HT4011-5-17 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HT4011-5-17 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HT4011-5-17 | 5/9 Secondary reference U.S. Government activity |
| HT4011-5-17 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HT4011-5-17 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| HT4011-5-17 | 5/9 Secondary reference U.S. Government activity |
| HT4011-5-17 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-047-1069 is a Screw,cap,socket Head, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-047-1069 has 4 manufacturer part numbers on file: ST3M506-5-17 (The Boeing Company Div Defense), 11919-5-17 (Reid Products Inc. Dba Reid Products Inc), HT4011-5-17 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HT4011-5-17 (Hi-Shear Corporation).
Key specifications for ST3M506-5-17: Fastener Length: 1.513 INCHES MINIMUM AND 1.560 INCHES MAXIMUM IN; Thread Length: 0.467 INCHES NOMINAL IN; Nominal Thread Diameter: 0.312 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.