The Screw,machine, cataloged under National Stock Number 5305-01-163-2425, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Leonardo Spa Aeronautics Division - Venegono Superiore Site. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-163-2425 |
| Primary Part Number | NAS8100U6 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Leonardo Spa Aeronautics Division - Venegono Superiore Site |
| Status | ACTIVE |
| Head Height | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Screw Material Document and Classification | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.300 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS8100 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Screw Material | IRON ALLOY 660 |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNJC |
| Head Diameter | 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | NAS4003 ASSN STD SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| NAS8100U6 | Leonardo Spa Aeronautics Division - Venegono Superiore Site (ITA) |
| Reference | Meaning |
|---|---|
| 10115489 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| NAS8100U6 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-163-2425 is a Screw,machine, manufactured by Leonardo Spa Aeronautics Division - Venegono Superiore Site, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-163-2425 has 1 manufacturer part number on file: NAS8100U6 (Leonardo Spa Aeronautics Division - Venegono Superiore Site).
Key specifications for NAS8100U6: Head Height: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN; Screw Material Document and Classification: AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE. 17 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.