The Screw,tapping, cataloged under National Stock Number 5305-01-710-9487, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Grainger Integrated Supply Div Grainger Integrated Supply. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-710-9487 |
| Primary Part Number | 4BU93 |
| Item Name | Screw,tapping |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Grainger Integrated Supply Div Grainger Integrated Supply |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 9.5 MILLIMETERS MM |
| Fastener Length | 44.5 MILLIMETERS NOMINAL MM |
| Extended Washer Diameter | 0.8125 INCHES NOMINAL IN |
| Supplementary Features | SHEAR: 3400LB / TENSION: 1900LB / DRILL BIT SIZE: 5/16 INCH / HARDNESS RATING: 5 / MADE OF CARBON STEEL LBS |
| Nonmachine Thread Style | SELF DRILLING |
| Head Style | HEXAGON EXTENDED WASHER |
| Width Between Flats | 0.5625 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 4BU93 | Grainger Integrated Supply Div Grainger Integrated Supply (USA) |
| Reference | Meaning |
|---|---|
| LDT-3816 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-710-9487 is a Screw,tapping, manufactured by Grainger Integrated Supply Div Grainger Integrated Supply, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-710-9487 has 1 manufacturer part number on file: 4BU93 (Grainger Integrated Supply Div Grainger Integrated Supply).
Key specifications for 4BU93: Nonmachine Nominal Thread Diameter: 9.5 MILLIMETERS MM; Fastener Length: 44.5 MILLIMETERS NOMINAL MM; Extended Washer Diameter: 0.8125 INCHES NOMINAL IN; Supplementary Features: SHEAR: 3400LB / TENSION: 1900LB / DRILL BIT SIZE: 5/16 INCH / HARDNESS RATING: 5 / MADE OF CARBON STEEL LBS. 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.