The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-550-0989, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-550-0989 |
| Primary Part Number | 68NC4-62 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Esna, Llc |
| Status | CANCELLED |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Bearing Surface Type | FLAT |
| Nominal Thread Size | 0.138 INCHES IN |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Nut Style | HEXAGON |
| Nut Height | 0.338 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE NUT |
| Material | ALUMINUM ALLOY NUT |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2B |
| Width Across Flats | 0.323 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5310-00-550-0989 is a Nut,self-Locking,hexagon, manufactured by Esna, Llc, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-550-0989 has 5 cross-referenced part numbers: 68NC4-62 (Esna, Llc), HY-521-7 (Hyperion Industries Inc), 68NC4-62 (Harvard Industries Inc), A107 (Essex Industries, Inc. Dba Essex Industries), HY-521-7 (Dsk Engineering and Technology Inc).
There are 6 known substitutes for 5310-00-550-0989: 5977-00-214-1274, 3110-00-554-6034, 3040-01-190-1118 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 68NC4-62: Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT; Thread Series: UNIFIED NATIONAL COARSE (UNC); Bearing Surface Type: FLAT; Nominal Thread Size: 0.138 INCHES IN. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-550-0989 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.