The Screw,machine, cataloged under National Stock Number 5305-01-618-4798, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Designatronics Inc Stock Drive Products Div. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-618-4798 |
| Primary Part Number | A 9B41-B2520C |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Designatronics Inc Stock Drive Products Div |
| Status | ACTIVE |
| Head Height | 0.187 INCHES NOMINAL IN |
| Screw Surface Treatment | NICKEL |
| Fastener Length | 1.00 INCHES NOMINAL IN |
| Thread Length | 0.375 INCHES NOMINAL IN |
| Shank Surface Treatment | NICKEL |
| Bearing Surface of Head Surface Treatment | NICKEL |
| Nominal Thread Diameter | 0.25 INCHES IN |
| Head Surface Treatment | NICKEL |
| Head Style | FLAT FILLISTER |
| Thread Direction | RIGHT-HAND |
| Screw Material | COPPER ALLOY |
| Internal Drive Style | SLOT |
| Thread Quantity Per Inch | 20 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.625 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 |
|---|---|
| A 9B41-B2520C PRIMARY | Designatronics Inc Stock Drive Products Div (USA) |
| Reference | Meaning |
|---|---|
| 09018B6745 | 7/2 Vendor item drawing reference Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
NSN 5305-01-618-4798 is a Screw,machine, manufactured by Designatronics Inc Stock Drive Products Div, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-618-4798 has 1 manufacturer part number on file: A 9B41-B2520C (Designatronics Inc Stock Drive Products Div).
Key specifications for A 9B41-B2520C: Head Height: 0.187 INCHES NOMINAL IN; Screw Surface Treatment: NICKEL; Fastener Length: 1.00 INCHES NOMINAL IN; Thread Length: 0.375 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.