The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-761-1681, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-761-1681 |
| Primary Part Number | MS51967-4 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Nut Height | 0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.312 INCHES IN |
| Hardness Rating | 103.0 BRINELL STANDARD MINIMUM |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Quantity Per Inch | 18 |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Width Across Flats | 0.4890 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Nut Style | HEXAGON |
| Material | STEEL OVERALL |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2B |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS51967-4 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5310-00-761-1681 is a Nut,plain,hexagon, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-761-1681 has 1 cross-referenced part number: MS51967-4 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There is 1 known substitute for 5310-00-761-1681: 5310-00-880-7744. Verify interchangeability with system specifications before substitution.
Key specifications for MS51967-4: Nut Height: 0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN; Nominal Thread Size: 0.312 INCHES IN; Hardness Rating: 103.0 BRINELL STANDARD MINIMUM; Thread Series: UNIFIED NATIONAL COARSE (UNC). 13 total characteristics are documented in the Federal Logistics Information System.