The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-01-426-1260, 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 20 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-426-1260 |
| Primary Part Number | BGC723C1-9-64 |
| 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 |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Nut Quantity | 64 |
| Material Document and Classification | AMS5510 ASSN STD SINGLE MATERIAL RESPONSE CHANNEL |
| Material Document and Classification | AMS5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5735 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Nut Counterbore Depth | 0.062 INCHES MINIMUM NUT IN |
| Channel Height | 0.203 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Counterbore Diameter | 0.194 INCHES MINIMUM NUT IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Assembly Overall Height | 0.250 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE CHANNEL |
| Nut Style | GANG CHANNEL, SELF LOCKING |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 NUT |
| Material | STEEL COMP 321 CHANNEL |
| Nut Spacing | 1.125 INCHES MINIMUM 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 |
|---|---|
| BGC723C1-9-64 PRIMARY | The Boeing Company Div Defense (USA) |
| G50345-3-1-9 | Howmet Global Fastening Systems Inc (USA) |
| BGC723C1-9-64 | Bristol Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| ST3M723C1M9-64P | 3/9 Design control — primary reference The Boeing Company Div Defense |
| ST3M723C1M9-64 | 5/9 Secondary reference The Boeing Company Div Defense |
| C180S3-1-9 | 5/2 Secondary reference U.S. Government activity |
| BGC723C9-1 | 5/9 Secondary reference Bristol Industries, Llc |
NSN 5310-01-426-1260 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 5310-01-426-1260 has 3 manufacturer part numbers on file: BGC723C1-9-64 (The Boeing Company Div Defense), G50345-3-1-9 (Howmet Global Fastening Systems Inc), BGC723C1-9-64 (Bristol Industries, Llc).
Key specifications for BGC723C1-9-64: Lubrication: DRY FILM LUBRICANT; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Nut Quantity: 64; Material Document and Classification: AMS5510 ASSN STD SINGLE MATERIAL RESPONSE CHANNEL. 20 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.