The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-728-5521, 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 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, 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 | 5310-00-728-5521 |
| Primary Part Number | MS21078-6 |
| Item Name | Nut,self-Locking,plate |
| 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 | ACTIVE |
| Thread Quantity Per Inch | 24 |
| Nut Height | 0.318 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nut Length | 1.296 INCHES MAXIMUM IN |
| Plate Width | 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Mounting Hole Diameter | 0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Aperture Center to Mounting Hole Center | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.375 INCHES IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Plate Thickness | 0.115 INCHES MAXIMUM IN |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Countersink Angle | 88.0 DEGREES MINIMUM AND 102.0 DEGREES MAXIMUM NUT |
| Nut Style | PLATE |
| Material | STEEL NUT |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3B |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Mounting Provision | STRAIGHT HOLES |
| Hardness Rating | 32.0 ROCKWELL C MAXIMUM |
| Center to Center Distance Between Mounting Holes Along Length | 0.998 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7F42NA1-624 | Shear Prinz Associates Inc (USA) |
| MS21078-6 PRIMARY | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| 803900 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament (USA) |
| MS21078-6 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| F42NA1-064 | Harvard Industries Inc (USA) |
NSN 5310-00-728-5521 is a Nut,self-Locking,plate, 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: active.
NSN 5310-00-728-5521 has 5 cross-referenced part numbers: 7F42NA1-624 (Shear Prinz Associates Inc), MS21078-6 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 803900 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament), MS21078-6 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), F42NA1-064 (Harvard Industries Inc).
There is 1 known substitute for 5310-00-728-5521: 5330-00-220-1826. Verify interchangeability with system specifications before substitution.
Key specifications for MS21078-6: Thread Quantity Per Inch: 24; Nut Height: 0.318 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Nut Length: 1.296 INCHES MAXIMUM IN. 23 total characteristics are documented in the Federal Logistics Information System.