The Screw,machine, cataloged under National Stock Number 5305-01-217-0659, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is International Business Machines Corp Parts Order Center Dept E - 54. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-217-0659 |
| Primary Part Number | 438586 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | International Business Machines Corp Parts Order Center Dept E - 54 |
| Status | ACTIVE |
| Fastener Length | 0.875 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 438586 PRIMARY | International Business Machines Corp Parts Order Center Dept E - 54 (USA) |
| Reference | Meaning |
|---|---|
| 438586 | 5/9 Secondary reference International Business Machines Corporation Dba IBM |
NSN 5305-01-217-0659 is a Screw,machine, manufactured by International Business Machines Corp Parts Order Center Dept E - 54, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-217-0659 has 1 manufacturer part number on file: 438586 (International Business Machines Corp Parts Order Center Dept E - 54).
Key specifications for 438586: Fastener Length: 0.875 INCHES NOMINAL IN; Nominal Thread Diameter: 0.164 INCHES IN; Thread Direction: RIGHT-HAND; Thread Class: 2A A. 6 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.