The Nut,self-Locking,round, cataloged under National Stock Number 5310-01-196-8563, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Corporation. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-196-8563 |
| Primary Part Number | 6889318 |
| Item Name | Nut,self-Locking,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Thread Series | UNJEF |
| Hardness Rating | 22.00 ROCKWELL C MINIMUM AND 28.00 ROCKWELL C MAXIMUM |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.5625 INCHES IN |
| Nut Diameter | 2.028 INCHES MINIMUM AND 2.032 INCHES MAXIMUM IN |
| Drive Point Depth | 0.238 INCHES MINIMUM AND 0.242 INCHES MAXIMUM IN |
| Nut Thickness | 0.425 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN |
| Drive Point Quantity | 20 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 6889318 PRIMARY | Rolls-Royce Corporation (USA) |
| E6889318 PRIMARY | Boeing Distribution, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6889318 | 1/2 Source control — Government-approved source U.S. Government activity |
| E6889318 | 5/1 Secondary reference Extex, Ltd. |
NSN 5310-01-196-8563 is a Nut,self-Locking,round, manufactured by Rolls-Royce Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-196-8563 has 2 manufacturer part numbers on file: 6889318 (Rolls-Royce Corporation), E6889318 (Boeing Distribution, Inc.).
Key specifications for 6889318: Thread Series: UNJEF; Hardness Rating: 22.00 ROCKWELL C MINIMUM AND 28.00 ROCKWELL C MAXIMUM; Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.5625 INCHES IN. 12 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.