The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-017-9851, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-017-9851 |
| Primary Part Number | 179851 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Thread Class | 2A A |
| Fastener Length | 3.000 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 2 TYPE AND 10P STYLE AND 5 GRADE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hardness Rating | 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL |
| Material | STEEL OVERALL |
| Thread Quantity Per Inch | 16 |
| Thread Direction | RIGHT-HAND |
| Thread Length | 1.000 INCHES MINIMUM IN |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Width Between Flats | 0.551 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN |
| Head Style | HEXAGON |
| Head Height | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 179851 | General Motors Corp (USA) |
| MS35295-70 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 179851 | Rolls-Royce Solutions America Inc (USA) |
| FFS85TYPE2STYLE10PGRADE5 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5305-00-017-9851 is a Screw,cap,hexagon Head, manufactured by General Motors Corp, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-017-9851 has 4 cross-referenced part numbers: 179851 (General Motors Corp), MS35295-70 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 179851 (Rolls-Royce Solutions America Inc), FFS85TYPE2STYLE10PGRADE5 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 2 known substitutes for 5305-00-017-9851: 5305-00-103-6721, 5355-01-486-7823. Verify interchangeability with system specifications before substitution.
Key specifications for 179851: Thread Class: 2A A; Fastener Length: 3.000 INCHES NOMINAL IN; Nondefinitive Spec/std Data: 2 TYPE AND 10P STYLE AND 5 GRADE; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 14 total characteristics are documented in the Federal Logistics Information System.