The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-278-1990, 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 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-278-1990 |
| Primary Part Number | 11010 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Thread Length | 0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNRF |
| 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 |
|---|---|
| 11010 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
| Reference | Meaning |
|---|---|
| 847533 FIND 022 | 5/9 Secondary reference Eaton Aerospace, Llc Dba Jackson South |
NSN 5305-01-278-1990 is a Screw,cap,socket Head, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-278-1990 has 1 manufacturer part number on file: 11010 (Eaton Aerospace, Llc Dba Jackson South).
Key specifications for 11010: Fastener Length: 0.500 INCHES NOMINAL IN; Thread Length: 0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.190 INCHES IN; Thread Direction: RIGHT-HAND. 8 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.