The Nut,self-Locking,cap, cataloged under National Stock Number 5310-00-523-2179, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Esna, Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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 | 5310-00-523-2179 |
| Primary Part Number | 68K2-82 |
| Item Name | Nut,self-Locking,cap |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Bearing Surface Type | CHAMFERED |
| Nominal Thread Size | 0.164 INCHES IN |
| Thread Quantity Per Inch | 32 |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Thread Class | 3B |
| Nut Height | 0.287 INCHES NOMINAL IN |
| Nut Style | CAP |
| Width Across Flats | 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Material | ALUMINUM OVERALL EXCEPT INSERT |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ANODIZE OVERALL EXCEPT INSERT |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-523-2179 is a Nut,self-Locking,cap, manufactured by Esna, Llc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-523-2179 has 4 cross-referenced part numbers: 68K2-82 (Esna, Llc), 611821 (Bell and Howell Phillipsburg Co Corporate Offices), 68K2-82 (Harvard Industries Inc), NSE11 (Federal Div of Victoreen Instrument Co Inc).
There are 2 known substitutes for 5310-00-523-2179: 6105-00-045-3697, 5999-00-139-2493. Verify interchangeability with system specifications before substitution.
Key specifications for 68K2-82: Thread Series: UNIFIED NATIONAL COARSE (UNC); Bearing Surface Type: CHAMFERED; Nominal Thread Size: 0.164 INCHES IN; Thread Quantity Per Inch: 32. 15 total characteristics are documented in the Federal Logistics Information System.