The Screw,machine, cataloged under National Stock Number 5305-01-641-0929, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mainstream Engineering Corp. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-641-0929 |
| Primary Part Number | 10-52935-03 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Mainstream Engineering Corp |
| Status | ACTIVE |
| Extended Washer Thickness | 0.015 INCHES NOMINAL IN |
| Head Height | 0.080 INCHES NOMINAL IN |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.375 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Features Provided | LOCK WASHER |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.250 INCHES NOMINAL IN |
| Screw Material | STEEL COMP 302 |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| 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 |
|---|---|
| 10-52935-03 PRIMARY | Mainstream Engineering Corp (USA) |
| 10-52935-03 | Department of Defense Project Manager-Mobile Electric Power (USA) |
| 91241A416 | Mcmaster-Carr Supply Co (USA) |
NSN 5305-01-641-0929 is a Screw,machine, manufactured by Mainstream Engineering Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-641-0929 has 3 manufacturer part numbers on file: 10-52935-03 (Mainstream Engineering Corp), 10-52935-03 (Department of Defense Project Manager-Mobile Electric Power), 91241A416 (Mcmaster-Carr Supply Co).
Key specifications for 10-52935-03: Extended Washer Thickness: 0.015 INCHES NOMINAL IN; Head Height: 0.080 INCHES NOMINAL IN; Fastener Length: 0.375 INCHES NOMINAL IN; Extended Washer Diameter: 0.250 INCHES NOMINAL IN. 15 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.