The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-01-468-1978, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 27 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-468-1978 |
| Primary Part Number | G52668-3DL16D4 |
| Item Name | Nut Assembly,self-Locking,gang C |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-P-23377 MIL SPEC 2ND TREATMENT RESPONSE CHANNEL |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE CLIP |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Nut Quantity | 4 |
| Temp Rating | 350.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | QQ-A-250/13,7075-T6 FED SPEC SINGLE MATERIAL RESPONSE CHANNEL |
| Material Document and Classification | AMS5525 ASSN STD 1ST MATERIAL RESPONSE OR AMS5732 ASSN STD 2ND MATERIAL RESPONSE OR AMS5737 ASSN STD 3RD MATERIAL RESPONSE NUT |
| Material Document and Classification | AMS5688 ASSN STD SINGLE MATERIAL RESPONSE CLIP |
| Nut Counterbore Depth | 0.259 INCHES NOMINAL NUT IN |
| Channel Height | 0.250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Counterbore Diameter | 0.194 INCHES NOMINAL NUT IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Assembly Overall Height | 0.442 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE NUT |
| Surface Treatment | ANODIZE CHANNEL |
| Surface Treatment | PASSIVATE CLIP |
| Nut Style | GANG CHANNEL, SELF LOCKING |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING NUT |
| Material | ALUMINUM ALLOY 7075 CHANNEL |
| Material | STEEL COMP 302 CLIP |
| Nut Spacing | 2.000 INCHES NOMINAL IN |
| 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 |
|---|---|
| G52668-3DL16D4 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| BG574N3P16M4-4 PRIMARY | Bristol Industries, Llc (USA) |
| RMG13101J4-3-164 PRIMARY | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| C192-3-4E16-4 | 3/2 Design control — primary reference U.S. Government activity |
| RMG13101J4-3-164 | 5/9 Secondary reference Harvard Industries Inc |
| 3D0002 | D/9 Drawing number reference only U.S. Government activity |
| 3D0002-3L16D4 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-468-1978 is a Nut Assembly,self-Locking,gang C, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-468-1978 has 3 manufacturer part numbers on file: G52668-3DL16D4 (Howmet Global Fastening Systems Inc), BG574N3P16M4-4 (Bristol Industries, Llc), RMG13101J4-3-164 (Esna, Llc).
Key specifications for G52668-3DL16D4: Lubrication: DRY FILM LUBRICANT; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-P-23377 MIL SPEC 2ND TREATMENT RESPONSE CHANNEL; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE CLIP. 27 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.