The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-01-134-0743, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 21 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-134-0743 |
| Primary Part Number | RG51031-5-2-10-24-4 |
| Item Name | Nut Assembly,self-Locking,gang C |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE AND MMS425,FSCM 76301 MFR REF 2ND TREATMENT RESPONSE CHANNEL |
| Radius | 3.000 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Nut Quantity | 4 |
| Temp Rating | 350.0 FAHRENHEIT MAXIMUM DEGF |
| Nut Counterbore Depth | 0.125 INCHES NOMINAL NUT IN |
| Channel Height | 0.218 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Counterbore Diameter | 0.317 INCHES MINIMUM NUT IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Assembly Overall Height | 0.312 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE AND PAINT CHANNEL |
| Nut Style | GANG CHANNEL, SELF LOCKING |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | IRON ALLOY 660 NUT |
| Material | ALUMINUM CHANNEL |
| Nut Spacing | 1.553 INCHES NOMINAL IN |
| Channel Style | RADIUS TYPE |
| 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 |
|---|---|
| RG51031-5-2-10-24-4 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| ST3M845B4F24N PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5310-01-134-0743 is a Nut Assembly,self-Locking,gang C, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-134-0743 has 2 manufacturer part numbers on file: RG51031-5-2-10-24-4 (Howmet Global Fastening Systems Inc), ST3M845B4F24N (The Boeing Company Div Defense).
Key specifications for RG51031-5-2-10-24-4: Lubrication: DRY FILM LUBRICANT; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE AND MMS425,FSCM 76301 MFR REF 2ND TREATMENT RESPONSE CHANNEL; Radius: 3.000 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 21 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.