The Screw,machine, cataloged under National Stock Number 5305-01-642-3499, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Aarons General Store Inc Dba Aaron's Machine Screws.com. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-642-3499 |
| Primary Part Number | 7028SL1504 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Aarons General Store Inc Dba Aaron's Machine Screws.com |
| Status | ACTIVE |
| Head Height | 0.070 INCHES NOMINAL IN |
| Screw Surface Treatment | ZINC |
| Fastener Length | 0.258 INCHES NOMINAL IN |
| Thread Length | 0.118 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLAT COUNTERSUNK UNDERCUT |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Internal Drive Style | SLOT |
| Countersink Angle | 82.0 DEGREES NOMINAL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.312 INCHES NOMINAL 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 |
|---|---|
| 7028SL1504 PRIMARY | Aarons General Store Inc Dba Aaron's Machine Screws.com (USA) |
| 90275A189 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 1001SN3264 | 5/9 Secondary reference Aarons General Store Inc Dba Aaron's Machine Screws.com |
NSN 5305-01-642-3499 is a Screw,machine, manufactured by Aarons General Store Inc Dba Aaron's Machine Screws.com, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-642-3499 has 2 manufacturer part numbers on file: 7028SL1504 (Aarons General Store Inc Dba Aaron's Machine Screws.com), 90275A189 (Mcmaster-Carr Supply Co).
Key specifications for 7028SL1504: Head Height: 0.070 INCHES NOMINAL IN; Screw Surface Treatment: ZINC; Fastener Length: 0.258 INCHES NOMINAL IN; Thread Length: 0.118 INCHES NOMINAL IN. 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.