The Nut,plain,castellated,hexagon, cataloged under National Stock Number 5310-00-221-4708, is classified within Federal Supply Class 5310 (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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-221-4708 |
| Primary Part Number | FFN836TYPE5STYLE1 |
| Item Name | Nut,plain,castellated,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | CANCELLED |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Width Across Flats | 0.500 INCHES NOMINAL IN |
| Thread Class | 2B |
| Material | STEEL OVERALL |
| Nondefinitive Spec/std Data | 5 TYPE AND 1 STYLE |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Nominal Thread Size | 0.312 INCHES IN |
| Departure From Cited Designator | AS MODIFIED BY THD RQMT |
| Nut Style | CASTELLATED, HEXAGON |
| Thread Quantity Per Inch | 18 |
| Thread Direction | RIGHT-HAND |
| Nut Height | 0.328 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFN836TYPE5STYLE1 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| FFN836GPBTYPE1STYLE4GRADEA | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5310-00-221-4708 is a Nut,plain,castellated,hexagon, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-221-4708 has 2 cross-referenced part numbers: FFN836TYPE5STYLE1 (Federal Specifications Promulgated by General Services Administration Washington DC), FFN836GPBTYPE1STYLE4GRADEA (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 9 known substitutes for 5310-00-221-4708: 5310-00-167-1289, 5310-00-221-4695, 5310-00-221-4696 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for FFN836TYPE5STYLE1: Thread Series: UNIFIED NATIONAL COARSE (UNC); Width Across Flats: 0.500 INCHES NOMINAL IN; Thread Class: 2B; Material: STEEL OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-221-4708 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.