The Screw,self-Drilling, cataloged under National Stock Number 5305-01-679-2797, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Grainger Div of W W Grainger Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-679-2797 |
| Primary Part Number | 36K143 |
| Item Name | Screw,self-Drilling |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Grainger Div of W W Grainger Inc |
| Status | ACTIVE |
| Fastener Length | 1.5 INCHES NOMINAL IN |
| Thread Pitch in Millimeters | 1.75 |
| Nonmachine Thread Style | SELF DRILLING |
| Nominal Thread Diameter | 12.0 MILLIMETERS MM |
| Head Style | HEXAGON EXTENDED WASHER |
| Point Style | SELF-DRILLING |
| Color | SILVER OVERALL |
| Surface Treatment | ZINC OVERALL |
| Minimum Tensile Strength | 2778 POUNDS PER SQUARE INCH LBS |
| Head Diameter | 0.3125 INCHES NOMINAL 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 |
|---|---|
| 36K143 | Grainger Div of W W Grainger Inc (USA) |
| Reference | Meaning |
|---|---|
| 112300 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5305-01-679-2797 is a Screw,self-Drilling, manufactured by Grainger Div of W W Grainger Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-679-2797 has 1 manufacturer part number on file: 36K143 (Grainger Div of W W Grainger Inc).
Key specifications for 36K143: Fastener Length: 1.5 INCHES NOMINAL IN; Thread Pitch in Millimeters: 1.75; Nonmachine Thread Style: SELF DRILLING; Nominal Thread Diameter: 12.0 MILLIMETERS MM. 10 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.