The Nut,self-Locking,gang Channel, cataloged under National Stock Number 5310-00-285-9768, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bristol Industries, Llc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-285-9768 |
| Primary Part Number | BCN445C3-6 |
| Item Name | Nut,self-Locking,gang Channel |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bristol Industries, Llc |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Nut Length | 0.482 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.350 INCHES MINIMUM NUT IN |
| Base Width | 0.295 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Specification/standard Data | 76301-ST3-445 MANUFACTURERS STANDARD |
| Counterbore Diameter | 0.194 INCHES MINIMUM AND 0.207 INCHES MAXIMUM NUT IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.483 INCHES MINIMUM AND 0.532 INCHES MAXIMUM IN |
| Nut Style | GANG CHANNEL, SELF LOCKING |
| Thread Class | 3B |
| Base Thickness | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 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 |
|---|---|
| BCN445C3-6 | Bristol Industries, Llc (USA) |
| G18421L6-3 | Esna, Llc (USA) |
| F49249E3-6XN | Howmet Global Fastening Systems Inc (USA) |
| F49249-3-6XN | Satair A/s (DNK) |
| F49249E3-6XN | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| 10121283 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 3929AS1222-C3M6 | 5/2 Secondary reference U.S. Government activity |
| G18421-6-3 | 5/9 Secondary reference Harvard Industries Inc |
| 3929AS1222-C3M6 | 3/1 Design control — primary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| NS103966S-02-6 | 3/2 Design control — primary reference U.S. Government activity |
| ST3M445C3M6 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| F49249-3-6XN | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| G18421L6-3 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-00-285-9768 is a Nut,self-Locking,gang Channel, manufactured by Bristol Industries, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-285-9768 has 5 manufacturer part numbers on file: BCN445C3-6 (Bristol Industries, Llc), G18421L6-3 (Esna, Llc), F49249E3-6XN (Howmet Global Fastening Systems Inc), F49249-3-6XN (Satair A/s), F49249E3-6XN (Satair A/s).
Key specifications for BCN445C3-6: Lubrication: DRY FILM LUBRICANT; Nut Length: 0.482 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Temp Rating: 450.0 FAHRENHEIT NOMINAL DEGF. 18 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.