The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-655-6819, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fischer Special Mfg Co. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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 | 5310-00-655-6819 |
| Primary Part Number | 2X3687 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Fischer Special Mfg Co |
| Status | ACTIVE |
| Surface Treatment | NICKEL OVERALL |
| Countersink Angle | 90.0 DEGREES NOMINAL NUT |
| Material | COPPER ALLOY OVERALL |
| Thread Series | UNEF |
| Nut Style | HEXAGON |
| Nominal Thread Size | 0.500 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Width Across Flats | 0.562 INCHES NOMINAL IN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 28 |
| Nut Height | 0.088 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-655-6819 is a Nut,plain,hexagon, manufactured by Fischer Special Mfg Co, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-655-6819 has 2 cross-referenced part numbers: 2X3687 (Fischer Special Mfg Co), 50703-4 (Raytheon Company Dba Raytheon).
There is 1 known substitute for 5310-00-655-6819: 6515-01-619-5313. Verify interchangeability with system specifications before substitution.
Key specifications for 2X3687: Surface Treatment: NICKEL OVERALL; Countersink Angle: 90.0 DEGREES NOMINAL NUT; Material: COPPER ALLOY OVERALL; Thread Series: UNEF. 13 total characteristics are documented in the Federal Logistics Information System.