The Screw,machine, cataloged under National Stock Number 5305-01-628-1646, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hoffman Engineering, Llc Dba Hoffman Engineering Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-628-1646 |
| Primary Part Number | YCE-0012 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hoffman Engineering, Llc Dba Hoffman Engineering Llc |
| Status | ACTIVE |
| Head Height | 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Thread Length | 0.420 INCHES NOMINAL IN |
| Spline Major Diameter | 0.150 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | BUTTON |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL CORROSION RESISTING |
| Internal Drive Style | TORX |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.256 INCHES MINIMUM AND 0.272 INCHES MAXIMUM 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 |
|---|---|
| YCE-0012 PRIMARY | Hoffman Engineering, Llc Dba Hoffman Engineering Llc (USA) |
| Reference | Meaning |
|---|---|
| 725-1013-9001 ITEM 9 | C/1 Advisory reference — outside the item-of-supply concept Hoffman Engineering, Llc Dba Hoffman Engineering Llc |
NSN 5305-01-628-1646 is a Screw,machine, manufactured by Hoffman Engineering, Llc Dba Hoffman Engineering Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-628-1646 has 1 manufacturer part number on file: YCE-0012 (Hoffman Engineering, Llc Dba Hoffman Engineering Llc).
Key specifications for YCE-0012: Head Height: 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN; Fastener Length: 0.500 INCHES NOMINAL IN; Thread Length: 0.420 INCHES NOMINAL IN; Spline Major Diameter: 0.150 INCHES NOMINAL IN. 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.