The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-088-0552, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-088-0552 |
| Primary Part Number | MS21044N7 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use |
| Status | CANCELLED |
| Width Across Flats | 0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Nut Height | 0.435 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN |
| Thread Class | 3B |
| Surface Treatment | CADMIUM AND CHROMATE NUT |
| Bearing Surface Finish | 125.0 MICROINCHES |
| Nominal Thread Size | 0.438 INCHES IN |
| Lubrication | SOLUBLE LUBRICANT |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Nut Style | HEXAGON |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Thread Direction | RIGHT-HAND |
| Material | STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1035 OR STEEL COMP 11L37 OR STEEL COMP 1213 OR STEEL COMP 12L14 NUT |
| Countersink Angle | 88.0 DEGREES NOMINAL NUT |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| Thread Quantity Per Inch | 20 |
| Criticality Code Justification | FEAT |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS21044N7 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| 18D07 | Clark Equipment Co (USA) |
| AN365-720 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| MS21044N7 PRIMARY | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| NAS1021N7 | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| MS21044N7 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 5310PL0145347 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| F52NE-070U | Harvard Industries Inc (USA) |
| 251-013 | Dorman Products, Inc. Dba Dorman (USA) |
| F52NE070U | Abbott-Interfast Corp. (USA) |
| 50NE070 | Safran Landing Systems (FRA) |
| 52NE070 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 938.07.17.608 | Pilatus Aircraft Ltd (CHE) |
| 907784 | Scandinavian Manufacturing Scama Ab (SWE) |
NSN 5310-00-088-0552 is a Nut,self-Locking,hexagon, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-088-0552 has 14 cross-referenced part numbers: MS21044N7 (Leonardo Spa Helicopters Division - Production Site), 18D07 (Clark Equipment Co), AN365-720 (Aeronautical Standards Group Dept of Navy and Air Force), MS21044N7 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NAS1021N7 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use) and 9 more.
There are 4 known substitutes for 5310-00-088-0552: 5310-00-275-2089, 5310-00-497-3891, 5342-01-295-8649 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS21044N7: Width Across Flats: 0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN; Nut Height: 0.435 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN; Thread Class: 3B; Surface Treatment: CADMIUM AND CHROMATE NUT. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-088-0552 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.