The Screw,machine, cataloged under National Stock Number 5305-01-591-9045, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Cummins Power Generation Inc.. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-591-9045 |
| Primary Part Number | AESZAC190375AW6A41 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Cummins Power Generation Inc. |
| Status | ACTIVE |
| Head Height | 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Screw Surface Treatment | ZINC |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Screw Material Document and Classification | ASTM A325M, GRADE TYPE I ASSN STD SINGLE MATERIAL RESPONSE |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Surface Treatment | ZINC |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Head Surface Treatment Document and Classification | ASTM B633, TYPE I, SC 1 ASSN STD SINGLE TREATMENT RESPONSE |
| Width Between Flats | 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Screw Material | STEEL |
| Thread Class | 2A A |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Screw Surface Treatment Document and Classification | ASTM B633, TYPE I, SC 1 ASSN STD SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| AESZAC190375AW6A41 PRIMARY | Cummins Power Generation Inc. (USA) |
| Reference | Meaning |
|---|---|
| AESZAC190375AW6A41 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-591-9045 is a Screw,machine, manufactured by Cummins Power Generation Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-591-9045 has 1 manufacturer part number on file: AESZAC190375AW6A41 (Cummins Power Generation Inc.).
Key specifications for AESZAC190375AW6A41: Head Height: 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Screw Surface Treatment: ZINC; Fastener Length: 0.375 INCHES NOMINAL IN; Screw Material Document and Classification: ASTM A325M, GRADE TYPE I ASSN STD SINGLE MATERIAL RESPONSE. 14 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.