The Nut,self-Locking,single Ball Sea, cataloged under National Stock Number 5310-01-018-0683, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Dana Off Highway Products, Llc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-018-0683 |
| Primary Part Number | 222960 |
| Item Name | Nut,self-Locking,single Ball Sea |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Dana Off Highway Products, Llc |
| Status | ACTIVE |
| Width Across Flats | 2.000 INCHES NOMINAL IN |
| Thread Series | UNEF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.250 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.625 INCHES MINIMUM AND 0.655 INCHES MAXIMUM IN |
| Nut Style | SINGLE BALL SEAT, HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 18 |
| Material | STEEL NUT |
| Material | PLASTIC LOCKING INSERT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11993328 | Volvo Construction Equipment Ltd (GBR) |
| 222960 PRIMARY | Dana Off Highway Products, Llc (USA) |
| 222960 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 222960 | 5/9 Secondary reference Clark Equipment Co |
| 222960 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5310-01-018-0683 is a Nut,self-Locking,single Ball Sea, manufactured by Dana Off Highway Products, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-018-0683 has 3 manufacturer part numbers on file: 11993328 (Volvo Construction Equipment Ltd), 222960 (Dana Off Highway Products, Llc), 222960 (Amz Alabama Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5975-01-589-7497. Verify interchangeability with system specifications before substitution.
Key specifications for 222960: Width Across Flats: 2.000 INCHES NOMINAL IN; Thread Series: UNEF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.250 INCHES IN. 11 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.