The Screw,machine, cataloged under National Stock Number 5305-01-124-1220, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-124-1220 |
| Primary Part Number | 330-4026-050 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Head Height | 0.049 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Thread Length | 0.310 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.181 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Screw Material | STEEL COMP 303 |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| 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 |
|---|---|
| 330-4026-050 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| P330-4026-050 | 5/9 Secondary reference Allied Products Corp Pheoll Mfg Co Div |
| 330-4026-050 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-124-1220 is a Screw,machine, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-124-1220 has 1 manufacturer part number on file: 330-4026-050 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 330-4026-050: Head Height: 0.049 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Thread Length: 0.310 INCHES MINIMUM AND 0.390 INCHES MAXIMUM 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.