The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-00-376-8804, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 23 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 | 5310-00-376-8804 |
| Primary Part Number | ST3M473N4M9 |
| Item Name | Nut Assembly,self-Locking,gang C |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE CHANNEL |
| Thread Series | UNF |
| Nut Quantity | 64 |
| Temp Rating | 350.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | AMS 5525 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5735 ASSN STD 2ND MATERIAL RESPONSE NUT |
| Nut Counterbore Depth | 0.250 INCHES NOMINAL NUT IN |
| Features Provided | FLOATING NUT |
| Channel Height | 0.203 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Specification/standard Data | 76301-ST3-473 MANUFACTURERS STANDARD |
| Counterbore Diameter | 0.194 INCHES MINIMUM NUT IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Assembly Overall Height | 0.438 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE CHANNEL |
| Nut Style | GANG CHANNEL, SELF LOCKING |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 NUT |
| Material | ALUMINUM CHANNEL |
| Nut Spacing | 1.125 INCHES NOMINAL IN |
| Channel Style | STRAIGHT 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 |
|---|---|
| ST3M473N4M9 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5310-00-376-8804 is a Nut Assembly,self-Locking,gang C, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-376-8804 has 1 manufacturer part number on file: ST3M473N4M9 (The Boeing Company Div Defense).
Key specifications for ST3M473N4M9: Lubrication: DRY FILM LUBRICANT; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE CHANNEL; Thread Series: UNF; Nut Quantity: 64. 23 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.