The Screw,machine, cataloged under National Stock Number 5305-01-188-0641, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-188-0641 |
| Primary Part Number | 398225 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Head Height | 0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN |
| Screw Surface Treatment | NICKEL |
| Fastener Length | 0.230 INCHES NOMINAL IN |
| Thread Length | 0.168 INCHES NOMINAL IN |
| Hardness Rating | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Hole Quantity | 2 |
| Thread Series Designator | UNF |
| Hole Diameter | 0.046 INCHES NOMINAL IN |
| Head Diameter | 0.292 INCHES MINIMUM AND 0.313 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 |
|---|---|
| 398225 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 5305-01-188-0641 is a Screw,machine, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-188-0641 has 1 manufacturer part number on file: 398225 (Eaton Aerospace, Llc Dba Jackson South).
Key specifications for 398225: Head Height: 0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN; Screw Surface Treatment: NICKEL; Fastener Length: 0.230 INCHES NOMINAL IN; Thread Length: 0.168 INCHES NOMINAL IN. 17 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.