The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-021-8563, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ambac International Corporation Div Ambac International. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-021-8563 |
| Primary Part Number | 1018 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Ambac International Corporation Div Ambac International |
| Status | CANCELLED |
| Width Across Flats | 0.438 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Quantity Per Inch | 28 |
| Thread Series | UNF |
| Bearing Surface Type | WASHER FACED |
| Material Document and Classification | QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Departure From Cited Document | AS MODIFIED BY NUT HEIGHT |
| Nondefinitive Spec/std Data | A TYPE |
| Material | STEEL OVERALL |
| Nut Height | 0.203 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1018 PRIMARY | Ambac International Corporation Div Ambac International (USA) |
| 855213 | General Motors Llc Dba General Motors (USA) |
| 1230279 PRIMARY | Westinghouse Electric Corp (USA) |
| BB7911 | Diamond Reo Truck Co (USA) |
| 855213 PRIMARY | General Motors Corp (USA) |
| 639125 PRIMARY | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| 218563 | General Motors Corp (USA) |
| Q1901 | International Harvester Co Agricultural Equipment Div (USA) |
| 89-341J PRIMARY | Dana Corp Spicer Transmission Div (USA) |
| 14350A PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| 111053H | International Harvester Co Agricultural Equipment Div (USA) |
| 218563 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| 855213 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| 121574 | Brockway Motor Trucks Div of Mack Trucks Inc (USA) |
| 7435-98Z1 PRIMARY | Saginaw Products Corporation Dba Cignys (USA) |
| 14350A | Hercules Engine Co Inc (USA) |
| 4A222R | Delta Electric Div Halle Industries Inc (USA) |
| FF-B-571 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5310-00-021-8563 is a Nut,plain,hexagon, manufactured by Ambac International Corporation Div Ambac International, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-021-8563 has 18 cross-referenced part numbers: 1018 (Ambac International Corporation Div Ambac International), 855213 (General Motors Llc Dba General Motors), 1230279 (Westinghouse Electric Corp), BB7911 (Diamond Reo Truck Co), 855213 (General Motors Corp) and 13 more.
There are 8 known substitutes for 5310-00-021-8563: 5310-00-012-1574, 6680-00-084-9292, 5310-00-281-2504 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1018: Width Across Flats: 0.438 INCHES NOMINAL IN; Nut Style: HEXAGON; Thread Class: 2B; Thread Direction: RIGHT-HAND. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-021-8563 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.