The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-221-4845, 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 2 commercial cross-references 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 | 5310-00-221-4845 |
| Primary Part Number | MILB857TYPEACLASSC |
| 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 |
| Nut Style | HEXAGON |
| Nondefinitive Spec/std Data | 4 TYPE AND A STYLE OR B STYLE AND 5 GRADE |
| Thread Quantity Per Inch | 9 |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Nominal Thread Size | 0.875 INCHES IN |
| Nut Height | 0.484 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Width Across Flats | 1.269 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Surface Treatment | ZINC OVERALL |
| Thread Class | 2B |
| Surface Treatment Document and Classification | MIL-Z-17871 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILB857TYPEACLASSC | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MILB857TYPE4STYLEA0RBGRADE1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5310-00-221-4845 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 5310-00-221-4845 has 2 cross-referenced part numbers: MILB857TYPEACLASSC (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILB857TYPE4STYLEA0RBGRADE1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 5310-00-221-4845: 5310-00-188-7831, 5310-00-188-7833, 5310-00-188-7834 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MILB857TYPEACLASSC: Nut Style: HEXAGON; Nondefinitive Spec/std Data: 4 TYPE AND A STYLE OR B STYLE AND 5 GRADE; Thread Quantity Per Inch: 9; Thread Series: UNIFIED NATIONAL COARSE (UNC). 13 total characteristics are documented in the Federal Logistics Information System.