The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-345-3763, 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 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-345-3763 |
| Primary Part Number | EMK4031 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Counterbore Diameter | 0.194 INCHES MINIMUM FIRST END IN |
| Nut Height | 0.220 INCHES MAXIMUM IN |
| Precious Material | SILVER |
| Nut Style | PLATE |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Surface Treatment | SILVER OVERALL |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM |
| Nut Mounting Provision | STRAIGHT HOLES |
| Plate Thickness | 0.030 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN |
| Center to Center Distance Between Mounting Holes Along Width | 0.217 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN |
| Distance From Aperture Center to Mounting Hole Center | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 32 |
| Material Document and Classification | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 0.190 INCHES IN |
| Precious Material and Location | ALL SURFACE SILVER |
| Surface Treatment Document and Classification | AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Plate Width | 0.437 INCHES MAXIMUM IN |
| Material | IRON ALLOY 660 OVERALL |
| Nut Counterbore Depth | 0.062 INCHES MINIMUM FIRST END IN |
| Nut Length | 0.521 INCHES MAXIMUM IN |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Thread Class | 3B |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| EMK4031 | Howmet Global Fastening Systems Inc (USA) |
| BHTA575M2860-02 | Harvard Industries Inc (USA) |
| U760206 | Harvard Industries Inc (USA) |
| MK4031-3 | Howmet Global Fastening Systems Inc (USA) |
NSN 5310-01-345-3763 is a Nut,self-Locking,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-345-3763 has 4 cross-referenced part numbers: EMK4031 (Howmet Global Fastening Systems Inc), BHTA575M2860-02 (Harvard Industries Inc), U760206 (Harvard Industries Inc), MK4031-3 (Howmet Global Fastening Systems Inc).
There are 2 known substitutes for 5310-01-345-3763: 5310-00-004-4201, 5310-01-689-1342. Verify interchangeability with system specifications before substitution.
Key specifications for EMK4031: Counterbore Diameter: 0.194 INCHES MINIMUM FIRST END IN; Nut Height: 0.220 INCHES MAXIMUM IN; Precious Material: SILVER; Nut Style: PLATE. 26 total characteristics are documented in the Federal Logistics Information System.