The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-261-1898, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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 | 5305-00-261-1898 |
| Primary Part Number | FFS85AMEND2TYPE2STYLE10PGRADE2 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Head Style | HEXAGON |
| Thread Quantity Per Inch | 14 |
| Nondefinitive Spec/std Data | 2 TYPE AND 10P STYLE AND 2 GRADE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material | STEEL OVERALL |
| Head Height | 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| Thread Length | 1.125 INCHES MAXIMUM IN |
| Fastener Length | 1.500 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Width Between Flats | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Hardness Rating | 100.0 ROCKWELL B MAXIMUM OVERALL |
| Minimum Tensile Strength | 69000 POUNDS PER SQUARE INCH LBS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFS85AMEND2TYPE2STYLE10PGRADE2 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| MS35289-89 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5305-00-261-1898 is a Screw,cap,hexagon Head, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-261-1898 has 2 cross-referenced part numbers: FFS85AMEND2TYPE2STYLE10PGRADE2 (Federal Specifications Promulgated by General Services Administration Washington DC), MS35289-89 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 5305-00-261-1898: 5305-00-261-1868, 5305-00-261-1916, 5305-00-261-1971 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for FFS85AMEND2TYPE2STYLE10PGRADE2: Head Style: HEXAGON; Thread Quantity Per Inch: 14; Nondefinitive Spec/std Data: 2 TYPE AND 10P STYLE AND 2 GRADE; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 14 total characteristics are documented in the Federal Logistics Information System.