The Screw,self-Drilling, cataloged under National Stock Number 5305-01-481-3197, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Guild Associates Inc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-481-3197 |
| Primary Part Number | 863-000519 |
| Item Name | Screw,self-Drilling |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Guild Associates Inc |
| Status | ACTIVE |
| Extended Washer Thickness | 0.153 INCHES NOMINAL0.153 INCHES NOMINAL IN |
| Head Height | 0.255 INCHES NOMINAL0.255 INCHES NOMINAL IN |
| Fastener Length | 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.400 INCHES NOMINAL0.400 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES0.190 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHERHEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Point Style | SELF-DRILLINGSELF-DRILLING |
| Width Between Flats | 0.313 INCHES NOMINAL0.313 INCHES NOMINAL IN |
| Pilot Length | 0.140 INCHES MINIMUM AND 0.140 INCHES MINIMUM AND 0.203 INCHES MAXIMUM0.203 INCHES MAXIMUM IN |
| Internal Drive Style | W/O INTERNAL DRIVEW/O INTERNAL DRIVE |
| Thread Class | 2A2A |
| Thread Quantity Per Inch | 1616 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNS |
| 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 |
|---|---|
| 90628A284 | Mcmaster-Carr Supply Co (USA) |
| 863-000519 PRIMARY | Guild Associates Inc (USA) |
NSN 5305-01-481-3197 is a Screw,self-Drilling, manufactured by Guild Associates Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-481-3197 has 2 manufacturer part numbers on file: 90628A284 (Mcmaster-Carr Supply Co), 863-000519 (Guild Associates Inc).
Key specifications for 863-000519: Extended Washer Thickness: 0.153 INCHES NOMINAL0.153 INCHES NOMINAL IN; Head Height: 0.255 INCHES NOMINAL0.255 INCHES NOMINAL IN; Fastener Length: 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN; Extended Washer Diameter: 0.400 INCHES NOMINAL0.400 INCHES NOMINAL 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.