The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-01-626-9974, 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 24 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-626-9974 |
| Primary Part Number | BGC464N10-2 |
| Item Name | Nut Assembly,self-Locking,gang C |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bristol Industries, Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625, TYPE II, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE CHANNEL |
| Surface Treatment Document and Classification | QQ-P-35 FED STD SINGLE TREATMENT RESPONSE CLIP |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Removable Nut Manufacturer Part Number | ST3M445C5M1 |
| Material Document and Classification | ARMCO 18-2MN MFR REF SINGLE MATERIAL RESPONSE CLIP |
| Material Document and Classification | QQ-A-250/13 FED STD SINGLE MATERIAL RESPONSE OR QQ-A-250/12 FED STD SINGLE MATERIAL RESPONSE CHANNEL |
| Nut Counterbore Depth | 0.070 INCHES NOMINAL OVERALL IN |
| Channel Height | 0.344 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.3125 INCHES IN |
| Counterbore Diameter | 0.317 INCHES NOMINAL OVERALL IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Assembly Overall Height | 0.343 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE CHANNEL |
| Surface Treatment | PASSIVATE CLIP |
| Nut Style | GANG CHANNEL, SELF LOCKING |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING NUT |
| Material | ALUMINUM ALLOY 7075 CHANNEL |
| Material | STEEL CORROSION RESISTING CLIP |
| Nut Spacing | 1.250 INCHES NOMINAL IN |
| Channel Style | STRAIGHT TYPE |
| Removable Nut Manufacturer Code | 76301 |
| 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 |
|---|---|
| BGC464N10-2 | Bristol Industries, Llc (USA) |
| G49439E5-10-2 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| C170-5-10-2 | 3/2 Design control — primary reference U.S. Government activity |
| 3M465N10A2F1 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5310-01-626-9974 is a Nut Assembly,self-Locking,gang C, manufactured by Bristol Industries, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-626-9974 has 2 manufacturer part numbers on file: BGC464N10-2 (Bristol Industries, Llc), G49439E5-10-2 (Howmet Global Fastening Systems Inc).
Key specifications for BGC464N10-2: Surface Treatment Document and Classification: MIL-A-8625, TYPE II, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE CHANNEL; Surface Treatment Document and Classification: QQ-P-35 FED STD SINGLE TREATMENT RESPONSE CLIP; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Removable Nut Manufacturer Part Number: ST3M445C5M1. 24 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.