The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-228-7641, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 13 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 | 5310-00-228-7641 |
| Primary Part Number | MILB857TYPE2STYLEA0RBGRADE1 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2B |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Quantity Per Inch | 28 |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Thread Series | UNF |
| Nut Height | 0.203 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Nondefinitive Spec/std Data | 2 TYPE AND A STYLE AND B STYLE AND 1 GRADE |
| Material | STEEL OVERALL |
| Surface Treatment Document and Classification | QQ-Z-325,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Nut Style | HEXAGON |
| Width Across Flats | 0.425 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILB857TYPE2STYLEA0RBGRADE1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5310-00-228-7641 is a Nut,plain,hexagon, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-228-7641 has 1 cross-referenced part number: MILB857TYPE2STYLEA0RBGRADE1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 5310-00-228-7641: 5310-00-010-2634, 5310-00-188-7830, 5310-00-227-7989 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MILB857TYPE2STYLEA0RBGRADE1: Thread Direction: RIGHT-HAND; Thread Class: 2B; Nominal Thread Size: 0.250 INCHES IN; Thread Quantity Per Inch: 28. 13 total characteristics are documented in the Federal Logistics Information System.