The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-063-2939, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-063-2939 |
| Primary Part Number | 128WM10411-3 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Width Across Flats | 1.375 INCHES NOMINAL IN |
| Thread Series | UNEF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.125 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.312 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL EXCEPT INSERT |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 18 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Material | ALUMINUM ALLOY NUT |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| 128WM10411-3 | Tens Machine Company, Inc. Dba Tens Machine Co Inc (USA) |
| 128WM10411-3 | R C R Precision Machine Co Inc (USA) |
| 128WM10411-3 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 128WM10411-3 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5310-00-063-2939 is a Nut,self-Locking,hexagon, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-063-2939 has 3 manufacturer part numbers on file: 128WM10411-3 (Tens Machine Company, Inc. Dba Tens Machine Co Inc), 128WM10411-3 (R C R Precision Machine Co Inc), 128WM10411-3 (Northrop Grumman Systems Corporation).
Key specifications for 128WM10411-3: Width Across Flats: 1.375 INCHES NOMINAL IN; Thread Series: UNEF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.125 INCHES IN. 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.