The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-055-2105, 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 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-055-2105 |
| Primary Part Number | 990FR12-1032 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | CANCELLED |
| Thread Class | 3B |
| Nut Height | 0.350 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 32 |
| Nominal Thread Size | 0.190 INCHES IN |
| Thread Series | UNF |
| Bearing Surface Type | CHAMFERED |
| Material Document and Classification | AMS 5642 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Material | STEEL UNS S34720 OR STEEL UNS S34723 OVERALL |
| Nut Style | HEXAGON |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Precious Material | SILVER |
| Width Across Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | SILVER OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| R419P3C | General Electric Company (USA) |
| 990FR12-1032 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| R419P3 | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems (USA) |
| R419P3 | General Electric Company (USA) |
NSN 5310-00-055-2105 is a Nut,self-Locking,hexagon, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-055-2105 has 4 cross-referenced part numbers: R419P3C (General Electric Company), 990FR12-1032 (Sps Technologies, Llc Dba PB Fasteners), R419P3 (Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems), R419P3 (General Electric Company).
There is 1 known substitute for 5310-00-055-2105: 5310-00-198-4758. Verify interchangeability with system specifications before substitution.
Key specifications for 990FR12-1032: Thread Class: 3B; Nut Height: 0.350 INCHES NOMINAL IN; Thread Quantity Per Inch: 32; Nominal Thread Size: 0.190 INCHES IN. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-055-2105 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.