The Nut,self-Locking,spline, cataloged under National Stock Number 5310-00-488-8980, 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 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-488-8980 |
| Primary Part Number | ZC2-1200-02 |
| Item Name | Nut,self-Locking,spline |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Thread Series | UNF |
| Precious Material | SILVER |
| Temp Rating | 1200.0 FAHRENHEIT NOMINAL DEGF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Pilot Diameter | 0.275 INCHES NOMINAL IN |
| Pilot Length | 0.085 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.435 INCHES NOMINAL IN |
| Surface Treatment | SILVER OVERALL |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| ZC2-1200-02 PRIMARY | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| ZC2-1200-02 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-00-488-8980 is a Nut,self-Locking,spline, manufactured by Esna, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-488-8980 has 1 manufacturer part number on file: ZC2-1200-02 (Esna, Llc).
Key specifications for ZC2-1200-02: Thread Series: UNF; Precious Material: SILVER; Temp Rating: 1200.0 FAHRENHEIT NOMINAL DEGF; Thread Direction: RIGHT-HAND. 13 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.