The Screw,machine, cataloged under National Stock Number 5305-01-242-5951, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kohler Co Engine Plant Div. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-242-5951 |
| Primary Part Number | X-51-8 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Kohler Co Engine Plant Div |
| Status | ACTIVE |
| Screw Material | STEEL |
| Head Style | PAN NO. 2 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Thread Quantity Per Inch | 32 |
| Thread Class | 2A A |
| Head Height | 0.085 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Thread Length | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Fastener Length | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Screw Surface Treatment | ZINC |
| Screw Material Document and Classification | Z-304 MFR REF SINGLE MATERIAL RESPONSE |
| Internal Drive Style | SLOT |
| Head Diameter | 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| X-51-8 PRIMARY | Kohler Co Engine Plant Div (USA) |
| 83-00138 | Countryman Group Ltd (GBR) |
| U-25 086 00 | Kohler Co Engine Plant Div (USA) |
| 83-00138 | Winder Power Limited (GBR) |
| X-51-8 | Hancox Ltd (GBR) |
NSN 5305-01-242-5951 is a Screw,machine, manufactured by Kohler Co Engine Plant Div, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-242-5951 has 5 cross-referenced part numbers: X-51-8 (Kohler Co Engine Plant Div), 83-00138 (Countryman Group Ltd), U-25 086 00 (Kohler Co Engine Plant Div), 83-00138 (Winder Power Limited), X-51-8 (Hancox Ltd).
There are 5 known substitutes for 5305-01-242-5951: 5950-00-080-2724, 5310-00-262-8283, 6130-00-520-4352 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for X-51-8: Screw Material: STEEL; Head Style: PAN NO. 2; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Nominal Thread Diameter: 0.164 INCHES IN. 14 total characteristics are documented in the Federal Logistics Information System.