The Screw,machine, cataloged under National Stock Number 5305-01-017-1172, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bethlehem Steel Corp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-017-1172 |
| Primary Part Number | 1-4-20X1-2 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Bethlehem Steel Corp |
| Status | ACTIVE |
| Thread Quantity Per Inch | 20 |
| Fastener Length | 5.000 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Screw Material | STEEL |
| Screw Surface Treatment | CADMIUM |
| Thread Class | 2A A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1-4-20X1-2 | Bethlehem Steel Corp (USA) |
NSN 5305-01-017-1172 is a Screw,machine, manufactured by Bethlehem Steel Corp, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-017-1172 has 1 cross-referenced part number: 1-4-20X1-2 (Bethlehem Steel Corp).
There are 3 known substitutes for 5305-01-017-1172: 5305-00-182-9483, 5305-01-238-1096, 5305-01-314-2804. Verify interchangeability with system specifications before substitution.
Key specifications for 1-4-20X1-2: Thread Quantity Per Inch: 20; Fastener Length: 5.000 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN; Thread Direction: RIGHT-HAND. 8 total characteristics are documented in the Federal Logistics Information System.