The Nut,plain,round, cataloged under National Stock Number 5310-00-512-9672, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-512-9672 |
| Primary Part Number | 129387 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Curtiss-Wright Controls, Inc. Div Actuation Division |
| Status | ACTIVE |
| Thread Series | UN |
| Hardness Rating | 77.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 80.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Features Provided | CASEHARDENED |
| Drive Point Width | 0.150 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.375 INCHES IN |
| Nut Diameter | 1.880 INCHES NOMINAL IN |
| Drive Point Depth | 0.181 INCHES MINIMUM AND 0.191 INCHES MAXIMUM IN |
| Nut Thickness | 0.580 INCHES NOMINAL IN |
| Small End Diameter | 1.810 INCHES NOMINAL IN |
| Drive Point Quantity | 11 |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 4130 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 |
|---|---|
| 129387 PRIMARY | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
NSN 5310-00-512-9672 is a Nut,plain,round, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-512-9672 has 1 manufacturer part number on file: 129387 (Curtiss-Wright Controls, Inc. Div Actuation Division).
Key specifications for 129387: Thread Series: UN; Hardness Rating: 77.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 80.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM; Material Document and Classification: MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Features Provided: CASEHARDENED. 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.