The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-550-1059, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rockwell Automation, Inc. Dba Rockwell Automation. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-550-1059 |
| Primary Part Number | M-4721 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Rockwell Automation, Inc. Dba Rockwell Automation |
| Status | CANCELLED |
| Material | COPPER ALLOY OVERALL |
| Width Across Flats | 0.312 INCHES NOMINAL IN |
| Nominal Thread Size | 0.250 INCHES IN |
| Bearing Surface Type | CHAMFERED |
| Thread Quantity Per Inch | 32 |
| Thread Series | UNEF |
| Nut Style | HEXAGON |
| Nut Height | 0.078 INCHES NOMINAL IN |
| Thread Class | 2B |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21770 | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
| 10009736 | Us Army Aviation and Missile Command (USA) |
| M4721 | Rheinmetall Italia Spa (ITA) |
| M4721 | Rheinmetall Soldier Electronics Gmbh (DEU) |
| 21770 | Mason Electric Co. Dba Mason Controls (USA) |
| M4721 | Rheinmetall Air Defence Ag (CHE) |
| M-4721 PRIMARY | Rockwell Automation, Inc. Dba Rockwell Automation (USA) |
| 21770 | Unison Industries Llc (USA) |
NSN 5310-00-550-1059 is a Nut,plain,hexagon, manufactured by Rockwell Automation, Inc. Dba Rockwell Automation, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-550-1059 has 8 cross-referenced part numbers: 21770 (Amphenol Corp Div Amphenol Aerospace Operations), 10009736 (Us Army Aviation and Missile Command), M4721 (Rheinmetall Italia Spa), M4721 (Rheinmetall Soldier Electronics Gmbh), 21770 (Mason Electric Co. Dba Mason Controls) and 3 more.
There are 8 known substitutes for 5310-00-550-1059: 5330-00-054-5179, 9540-00-188-1573, 1650-00-436-0333 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for M-4721: Material: COPPER ALLOY OVERALL; Width Across Flats: 0.312 INCHES NOMINAL IN; Nominal Thread Size: 0.250 INCHES IN; Bearing Surface Type: CHAMFERED. 11 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-550-1059 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.