The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-012-2021, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-012-2021 |
| Primary Part Number | 12072A |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | CANCELLED |
| Nut Height | 0.535 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Nominal Thread Size | 0.625 INCHES IN |
| Thread Quantity Per Inch | 18 |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Nondefinitive Spec/std Data | A TYPE |
| Nut Style | HEXAGON |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Material | STEEL OVERALL |
| Thread Class | 3B |
| Width Across Flats | 0.9220 INCHES MINIMUM AND 0.9375 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 122021 | General Motors Corp (USA) |
| 12072A PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| 12072A | Hercules Engine Co Inc (USA) |
| FFB571TYPEA | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| S3BX7 | White Motor Corp (USA) |
| 122021 | General Motors Llc Dba General Motors Llc (USA) |
| 122021 | Navistar International Corporation Dba Navistar (USA) |
NSN 5310-00-012-2021 is a Nut,plain,hexagon, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-012-2021 has 7 cross-referenced part numbers: 122021 (General Motors Corp), 12072A (Brinkley Technology Group Llc Dba Hercules Manufacturing), 12072A (Hercules Engine Co Inc), FFB571TYPEA (Federal Specifications Promulgated by General Services Administration Washington DC), S3BX7 (White Motor Corp) and 2 more.
There are 4 known substitutes for 5310-00-012-2021: 2805-00-429-2518, 6515-01-009-5297, 6625-01-408-8713 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 12072A: Nut Height: 0.535 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN; Bearing Surface Type: CHAMFERED OR WASHER FACED; Nominal Thread Size: 0.625 INCHES IN; Thread Quantity Per Inch: 18. 12 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-012-2021 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.