The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-723-3870, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-723-3870 |
| Primary Part Number | 78351-524 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | CANCELLED |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nominal Thread Size | 0.312 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Width Across Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Thread Quantity Per Inch | 24 |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | DOUBLE HEXAGON |
| Washer Outside Diameter | 0.568 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Thread Class | 3B |
| Washer Thickness | 0.048 INCHES NOMINAL IN |
| Lubrication | DRY FILM LUBRICANT |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| LH12343-5 | Harvard Industries Inc (USA) |
| 2110130 | Embraer Empresa Brasileira De Aeronautica Sa (BRA) |
| H50675-5 | Howmet Global Fastening Systems Inc (USA) |
| H23-5 | Howmet Global Fastening Systems Inc (USA) |
| 78351-524 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| GN10AP5 | Northrop Grumman Systems Corporation (USA) |
| ST3M737-5 | The Boeing Company Div Defense (USA) |
| 3M221-5 | The Boeing Company Div Defense (USA) |
| 2110130 | Embraer S.a. (BRA) |
| LH3393-054 | Harvard Industries Inc (USA) |
| H23-5 | Satair A/s (DNK) |
| H50675-5 | Satair A/s (DNK) |
NSN 5310-00-723-3870 is a Nut,self-Locking,extended Washer, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-723-3870 has 12 cross-referenced part numbers: LH12343-5 (Harvard Industries Inc), 2110130 (Embraer Empresa Brasileira De Aeronautica Sa), H50675-5 (Howmet Global Fastening Systems Inc), H23-5 (Howmet Global Fastening Systems Inc), 78351-524 (Sps Technologies, Llc Dba PB Fasteners) and 7 more.
There are 3 known substitutes for 5310-00-723-3870: 2805-00-383-7592, 6520-01-341-4555, 6320-01-426-8494. Verify interchangeability with system specifications before substitution.
Key specifications for 78351-524: Locking Feature: PREVAILING TORQUE ALL METAL DESIGN; Nominal Thread Size: 0.312 INCHES IN; Thread Direction: RIGHT-HAND; Temp Rating: 450.0 FAHRENHEIT NOMINAL DEGF. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-723-3870 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.