The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-00-052-0728, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Esna, Llc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-052-0728 |
| Primary Part Number | RG51-02J8-24-9 |
| Item Name | Nut Assembly,self-Locking,gang C |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Radius | 3.0000 INCHES NOMINAL IN |
| Thread Series | UNF |
| Nut Quantity | 9 |
| Nut Counterbore Depth | 0.062 INCHES NOMINAL NUT IN |
| Features Provided | FLOATING NUT |
| Channel Height | 0.125 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Assembly Overall Height | 0.205 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM NUT |
| Nut Style | GANG CHANNEL, SELF LOCKING |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL NUT |
| Material | ALUMINUM ALLOY CHANNEL |
| Nut Spacing | 1.042 INCHES NOMINAL IN |
| Channel Style | RADIUS TYPE |
| 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 |
|---|---|
| RG51-02J8-24-9 | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| RG51-02J8-24 | 5/9 Secondary reference Harvard Industries Inc |
| RG51-02J8-24 | 3/9 Design control — primary reference Esna, Llc |
| RG51-02J8-24-9 | 5/9 Secondary reference Harvard Industries Inc |
| A02E2340-2 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company |
| RG51-02J8-24 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-052-0728 is a Nut Assembly,self-Locking,gang C, manufactured by Esna, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-052-0728 has 1 manufacturer part number on file: RG51-02J8-24-9 (Esna, Llc).
Key specifications for RG51-02J8-24-9: Radius: 3.0000 INCHES NOMINAL IN; Thread Series: UNF; Nut Quantity: 9; Overall Width: 0.416 INCHES NOMINAL IN. 18 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.