The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-680-6840, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 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 | 5310-00-680-6840 |
| Primary Part Number | K3031-3 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | CANCELLED |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material | STEEL CORROSION RESISTING OVERALL |
| Nominal Thread Size | 0.190 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Style | PLATE |
| Precious Material | SILVER |
| Nut Height | 0.220 INCHES NOMINAL IN |
| Thread Class | 3B |
| Plate Thickness | 0.032 INCHES NOMINAL IN |
| Distance From Aperture Center to Mounting Hole Center | 0.344 INCHES NOMINAL IN |
| Nut Length | 0.653 INCHES NOMINAL IN |
| Temp Rating | 900.0 FAHRENHEIT NOMINAL DEGF |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | SILVER OVERALL |
| Thread Series | UNF |
| Thread Quantity Per Inch | 32 |
| Nut Mounting Provision | STRAIGHT HOLES |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 12720-02 | Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA) |
| K3031-1032 | Howmet Global Fastening Systems Inc. Div Microdot Products (USA) |
| T7C1032 | Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace (USA) |
| T7C1032 | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems (USA) |
| K3031-3 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| BACN10LH-P38 | The Boeing Company Div Defense (USA) |
| LHTA55-2860-02 | Harvard Industries Inc (USA) |
| K3031-3 | Howmet Global Fastening Systems Inc. Div Microdot Products (USA) |
NSN 5310-00-680-6840 is a Nut,self-Locking,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-680-6840 has 8 cross-referenced part numbers: 12720-02 (Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana), K3031-1032 (Howmet Global Fastening Systems Inc. Div Microdot Products), T7C1032 (Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace), T7C1032 (Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems), K3031-3 (Howmet Global Fastening Systems Inc) and 3 more.
There are 3 known substitutes for 5310-00-680-6840: 5996-01-046-2799, 1336-01-079-9712, 5310-01-399-3127. Verify interchangeability with system specifications before substitution.
Key specifications for K3031-3: Mounting Hole Diameter: 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN; Mounting Hole Arrangement Style: 2 HOLES; Material: STEEL CORROSION RESISTING OVERALL; Nominal Thread Size: 0.190 INCHES IN. 18 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-680-6840 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.