The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-189-5161, 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 11 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-189-5161 |
| Primary Part Number | MILB857TYPE4STYLEA0RB |
| 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 Class | 2B |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 410 OR STEEL COMP 416 OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Material Document and Classification | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Nut Style | HEXAGON |
| Nut Height | 0.141 INCHES NOMINAL IN |
| Width Across Flats | 0.425 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILB857TYPE4STYLEA0RB | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5310-00-189-5161 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 5310-00-189-5161 has 1 cross-referenced part number: MILB857TYPE4STYLEA0RB (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 6 known substitutes for 5310-00-189-5161: 5310-00-189-5162, 5310-00-189-5165, 5310-00-189-8471 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for MILB857TYPE4STYLEA0RB: Thread Class: 2B; Thread Series: UNIFIED NATIONAL COARSE (UNC); Nominal Thread Size: 0.250 INCHES IN; Thread Quantity Per Inch: 20. 11 total characteristics are documented in the Federal Logistics Information System.