The Screw,machine, cataloged under National Stock Number 5305-01-256-6789, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Keysight Technologies Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-256-6789 |
| Primary Part Number | 0515-0604 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| External Thread Tolerance Class | 6G G |
| Screw Surface Treatment | CHROMATE |
| Fastener Length | 8.00 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 0.80 |
| Thread Length | 3.6 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 5.0 MILLIMETERS MM |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 90.0 DEGREES NOMINAL |
| Thread Series Designator | M |
| Head Diameter | 9.2 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 0515-0604 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 0515-0604 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| 0515-0604 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
NSN 5305-01-256-6789 is a Screw,machine, manufactured by Keysight Technologies Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-256-6789 has 1 manufacturer part number on file: 0515-0604 (Keysight Technologies Inc).
Key specifications for 0515-0604: External Thread Tolerance Class: 6G G; Screw Surface Treatment: CHROMATE; Fastener Length: 8.00 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 0.80. 13 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.