The Setscrew, cataloged under National Stock Number 5305-00-365-2551, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 17 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-365-2551 |
| Primary Part Number | 8203 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Style | HEXAGON |
| Width Between Flats | 0.500 INCHES NOMINAL IN |
| Point Style | DOG |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Quantity Per Inch | 18 |
| Thread Length | 0.562 INCHES MINIMUM IN |
| Head Height | 0.188 INCHES NOMINAL IN |
| Point Diameter | 0.234 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Point Length | 0.125 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Fastener Length | 0.594 INCHES NOMINAL IN |
| Material | STEEL COMP 1015 OR STEEL COMP 1536 OR STEEL COMP 1115 OR STEEL COMP 1137 OVERALL |
| Hardness Rating | 74.0 ROCKWELL B NOMINAL OVERALL |
| Material Document and Classification | ASTM A576 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A576 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A576 ASSN STD 3RD MATERIAL RESPONSE OR QQ-S-637 FED SPEC 4TH MATERIAL RESPONSE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8203 PRIMARY | Cummins Inc. (USA) |
NSN 5305-00-365-2551 is a Setscrew, manufactured by Cummins Inc., classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-365-2551 has 1 cross-referenced part number: 8203 (Cummins Inc.).
There are 12 known substitutes for 5305-00-365-2551: 5960-00-071-7553, 6530-00-104-7552, 3110-00-156-4674 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8203: Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Head Style: HEXAGON; Width Between Flats: 0.500 INCHES NOMINAL IN. 18 total characteristics are documented in the Federal Logistics Information System.