The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-616-8686, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lrg Fastener Corporation Dba Continental-Aero. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-616-8686 |
| Primary Part Number | T51NE120 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lrg Fastener Corporation Dba Continental-Aero |
| Status | ACTIVE |
| Width Across Flats | 1.0625 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Temp Rating | 250.0 FAHRENHEIT MAXIMUM DEGF |
| Material Document and Classification | GRADE 5 STEEL MFR REF SINGLE MATERIAL RESPONSE NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.875 INCHES NOMINAL IN |
| Surface Treatment | ZINC NUT |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 10 |
| Material | STEEL NUT |
| Material | PLASTIC NYLON LOCKING INSERT |
| Bearing Surface Type | CHAMFERED OR FLAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-616-8686 is a Nut,self-Locking,hexagon, manufactured by Lrg Fastener Corporation Dba Continental-Aero, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-616-8686 has 2 manufacturer part numbers on file: 95615A270 (Mcmaster-Carr Supply Co), T51NE120 (Lrg Fastener Corporation Dba Continental-Aero).
Key specifications for T51NE120: Width Across Flats: 1.0625 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Temp Rating: 250.0 FAHRENHEIT MAXIMUM DEGF; Material Document and Classification: GRADE 5 STEEL MFR REF SINGLE MATERIAL RESPONSE NUT. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.