The Nut,self-Locking,round, cataloged under National Stock Number 5310-01-178-3969, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Meggitt Aircraft Braking Systems Corporation. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-178-3969 |
| Primary Part Number | 5006019-1 |
| Item Name | Nut,self-Locking,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Meggitt Aircraft Braking Systems Corporation |
| Status | ACTIVE |
| Thread Series | BUTTRESS |
| Material Document and Classification | 5006019-1,FSCM 25500 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 4.000 INCHES IN |
| Nut Diameter | 4.470 INCHES NOMINAL IN |
| Drive Point Depth | 0.050 INCHES NOMINAL IN |
| Nut Thickness | 1.155 INCHES NOMINAL IN |
| Drive Point Quantity | 16 |
| Nut Style | ROUND |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL 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 |
|---|---|
| 5006019-1 PRIMARY | Meggitt Aircraft Braking Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 5006019-1 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems |
NSN 5310-01-178-3969 is a Nut,self-Locking,round, manufactured by Meggitt Aircraft Braking Systems Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-178-3969 has 1 manufacturer part number on file: 5006019-1 (Meggitt Aircraft Braking Systems Corporation).
Key specifications for 5006019-1: Thread Series: BUTTRESS; Material Document and Classification: 5006019-1,FSCM 25500 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND; Nominal Thread Size: 4.000 INCHES IN. 12 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.