The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-261-1971, 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 16 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 | 5305-00-261-1971 |
| 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 Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL OVERALL |
| Minimum Yield Strength | 52000 POUNDS PER SQUARE INCH LBS |
| Hardness Rating | 100.0 ROCKWELL B MAXIMUM OVERALL |
| Nondefinitive Spec/std Data | 2 TYPE AND 10 STYLE |
| Thread Quantity Per Inch | 10 |
| Minimum Tensile Strength | 64000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Length | 1.750 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN |
| Fastener Length | 3.000 INCHES NOMINAL IN |
| Head Height | 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN |
| Width Between Flats | 1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFS85AMEND2TYPE2STYLE10PGRADE2 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5305-00-261-1971 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 5305-00-261-1971 has 1 cross-referenced part number: FFS85AMEND2TYPE2STYLE10PGRADE2 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 12 known substitutes for 5305-00-261-1971: 5305-00-261-1868, 5305-00-261-1898, 5305-00-261-1916 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for FFS85AMEND2TYPE2STYLE10PGRADE2: Head Style: HEXAGON; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL OVERALL. 16 total characteristics are documented in the Federal Logistics Information System.