The Nut,self-Locking,spline, cataloged under National Stock Number 5310-00-929-9081, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-929-9081 |
| Primary Part Number | 320390P14 |
| Item Name | Nut,self-Locking,spline |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| Status | ACTIVE |
| Thread Series | UNF |
| Precious Material | SILVER |
| Temp Rating | 288.0 FAHRENHEIT NOMINAL DEGF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Nut Diameter | 0.348 INCHES NOMINAL IN |
| Pilot Diameter | 0.225 INCHES NOMINAL IN |
| Pilot Length | 0.156 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.279 INCHES MAXIMUM IN |
| Surface Treatment | SILVER OVERALL |
| Nut Style | SPLINE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 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 |
|---|---|
| 320390P14 | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| K7001-3-9 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| C318039250 | 3/2 Design control — primary reference U.S. Government activity |
| K7001-3-9 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Microdot Products |
| 320390P14 | 5/9 Secondary reference Howden Fluid Systems |
NSN 5310-00-929-9081 is a Nut,self-Locking,spline, manufactured by Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-929-9081 has 2 manufacturer part numbers on file: 320390P14 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), K7001-3-9 (Howmet Global Fastening Systems Inc).
Key specifications for 320390P14: Thread Series: UNF; Precious Material: SILVER; Temp Rating: 288.0 FAHRENHEIT NOMINAL DEGF; Thread Direction: RIGHT-HAND. 15 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.