The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-00-372-8776, 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 22 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-372-8776 |
| Primary Part Number | BCH464N9-4 |
| Item Name | Nut Assembly,self-Locking,gang C |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bristol Industries, Llc |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE CHANNEL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Nut Quantity | 64 |
| Material Document and Classification | QQ-A-250/13,T6 FED SPEC SINGLE MATERIAL RESPONSE CHANNEL |
| Nut Counterbore Depth | 0.250 INCHES MINIMUM NUT IN |
| Features Provided | FLOATING NUT |
| Channel Height | 0.298 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Specification/standard Data | 76301-ST3-464 MANUFACTURERS STANDARD |
| Counterbore Diameter | 0.254 INCHES MINIMUM NUT IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Assembly Overall Height | 0.476 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE CHANNEL |
| Nut Style | GANG CHANNEL, SELF LOCKING |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING NUT |
| Material | ALUMINUM ALLOY 7075 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 |
|---|---|
| BCH464N9-4 PRIMARY | Bristol Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| 10121333 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 3M464N9A64-4 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| G49439E-4-4-9 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| BGC464N4-9-64 | 5/9 Secondary reference Bristol Industries, Llc |
| ST3M464N9A64-4 | 5/9 Secondary reference The Boeing Company Div Defense |
| C170-4-4-9-64 | 3/2 Design control — primary reference U.S. Government activity |
| G184215-4-4-9 | 5/9 Secondary reference Harvard Industries Inc |
| G18421JL4-4-9 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-00-372-8776 is a Nut Assembly,self-Locking,gang C, manufactured by Bristol Industries, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-372-8776 has 1 manufacturer part number on file: BCH464N9-4 (Bristol Industries, Llc).
Key specifications for BCH464N9-4: Lubrication: DRY FILM LUBRICANT; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE CHANNEL; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Nut Quantity: 64. 22 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.