The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-028-8869, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-028-8869 |
| Primary Part Number | S155 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Thread Class | 2A A |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Thread Length | 1.126 INCHES MINIMUM AND 1.314 INCHES MAXIMUM IN |
| Head Height | 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| Material Document and Classification | SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL OVERALL |
| Thread Direction | RIGHT-HAND |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 14 |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| Fastener Length | 1.438 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Width Between Flats | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Head Style | HEXAGON |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S155 PRIMARY | Cummins Inc. (USA) |
| 10087758 | Nimikkeistokeskus Ncb Finland (FIN) |
| 5305010288869 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5305-01-028-8869 is a Screw,cap,hexagon Head, manufactured by Cummins Inc., classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-028-8869 has 3 cross-referenced part numbers: S155 (Cummins Inc.), 10087758 (Nimikkeistokeskus Ncb Finland), 5305010288869 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales).
There are 6 known substitutes for 5305-01-028-8869: 4820-00-138-1831, 3110-00-186-5017, 4810-00-842-2270 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for S155: Thread Class: 2A A; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Thread Length: 1.126 INCHES MINIMUM AND 1.314 INCHES MAXIMUM IN; Head Height: 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.