The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-017-9859, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 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 | 5305-00-017-9859 |
| Primary Part Number | 179859 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Thread Quantity Per Inch | 14 |
| Head Style | HEXAGON |
| Head Height | 0.281 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Nondefinitive Spec/std Data | 2 TYPE AND 10P STYLE AND 5 GRADE |
| Minimum Yield Strength | 85000 POUNDS PER SQUARE INCH LBS |
| Hardness Rating | 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL |
| Material | STEEL OVERALL |
| Thread Length | 1.125 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Fastener Length | 1.125 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Width Between Flats | 0.625 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 179859 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| S279 | Kaitlin Corp (USA) |
| S279 | Meritor Heavy Vehicle Systems, Llc (USA) |
| FFS85TYPE2STYLE10PGRADE5 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| BB36246 | Diamond Reo Truck Co (USA) |
| 179859 | General Motors Llc Dba General Motors Llc (USA) |
| 179859 | General Motors Corp (USA) |
| 179859 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| S279 | Meritor Industrial Products, Llc (USA) |
NSN 5305-00-017-9859 is a Screw,cap,hexagon Head, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-017-9859 has 9 cross-referenced part numbers: 179859 (Army Weapons Command Attn Amswe-Ree-S), S279 (Kaitlin Corp), S279 (Meritor Heavy Vehicle Systems, Llc), FFS85TYPE2STYLE10PGRADE5 (Federal Specifications Promulgated by General Services Administration Washington DC), BB36246 (Diamond Reo Truck Co) and 4 more.
There are 6 known substitutes for 5305-00-017-9859: 5306-00-038-1956, 5305-00-071-1787, 5360-01-435-4720 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 179859: Thread Quantity Per Inch: 14; Head Style: HEXAGON; Head Height: 0.281 INCHES NOMINAL IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 14 total characteristics are documented in the Federal Logistics Information System.