The Nut,self-Locking,spline, cataloged under National Stock Number 5310-01-561-1248, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-561-1248 |
| Primary Part Number | FF6010L-12-C |
| Item Name | Nut,self-Locking,spline |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Width Across Flats | 0.450 INCHES NOMINAL IN |
| Nut Length | 0.650 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Pilot Diameter | 0.363 INCHES NOMINAL IN |
| Pilot Length | 0.161 INCHES NOMINAL IN |
| Nut Height | 0.464 INCHES NOMINAL IN |
| Surface Treatment | DISULFIDE MOLYBDENUM AND CADMIUM NUT |
| Nut Style | SPLINE (FLOATING) |
| Thread Quantity Per Inch | 28 |
| Material | STEEL NUT |
| 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 |
|---|---|
| FF6010L-12-C | Huck International, Inc. Div Huck Products Division (USA) |
| FF6010L-12-C PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| FF6010L-12-C | 5/9 Secondary reference U.S. Government activity |
| FF6010L-6-8 | 5/9 Secondary reference U.S. Government activity |
| 11440161-5 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
NSN 5310-01-561-1248 is a Nut,self-Locking,spline, manufactured by Huck International, Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-561-1248 has 2 manufacturer part numbers on file: FF6010L-12-C (Huck International, Inc. Div Huck Products Division), FF6010L-12-C (Huck International, Inc).
Key specifications for FF6010L-12-C: Width Across Flats: 0.450 INCHES NOMINAL IN; Nut Length: 0.650 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Pilot Diameter: 0.363 INCHES NOMINAL IN. 10 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.