The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-01-464-4331, 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 28 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-464-4331 |
| Primary Part Number | G52668-3DL20D4 |
| 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 | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE CLIP |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE AND MIL-P-23377 MIL SPEC SINGLE TREATMENT RESPONSE CHANNEL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Nut Quantity | 4 |
| Material Document and Classification | QQ-A-250/13 FED SPEC SINGLE MATERIAL RESPONSE CHANNEL |
| Material Document and Classification | AMS 5688 ASSN STD SINGLE MATERIAL RESPONSE CLIP |
| Material Document and Classification | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Nut Counterbore Depth | 0.259 INCHES NOMINAL CHANNEL IN |
| Features Provided | FLOATING NUT |
| Channel Height | 0.265 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Counterbore Diameter | 0.194 INCHES NOMINAL FIRST END IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Assembly Overall Height | 0.442 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE NUT |
| Surface Treatment | PASSIVATE CLIP |
| Surface Treatment | ANODIZE AND PLASTIC EPOXY CHANNEL |
| Nut Style | GANG CHANNEL, SELF LOCKING |
| Thread Class | 32 |
| Thread Quantity Per Inch | 0.190 |
| Material | IRON ALLOY 660 NUT |
| Material | ALUMINUM ALLOY 7075 CHANNEL |
| Material | STEEL COMP 302 CLIP |
| Nut Spacing | 2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM 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 |
|---|---|
| G52668-3DL20D4 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| BG574N3P20M4-4 PRIMARY | Bristol Industries, Llc (USA) |
| RMG13101J4-3-204 PRIMARY | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| RMG1310J4-3-204 | 5/9 Secondary reference Harvard Industries Inc |
| RMG13101J4-3-204 | 5/9 Secondary reference Harvard Industries Inc |
| C192-3-4E20-4 | 3/2 Design control — primary reference U.S. Government activity |
| 3D0002-3L20D4 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-464-4331 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 5310-01-464-4331 has 3 manufacturer part numbers on file: G52668-3DL20D4 (Howmet Global Fastening Systems Inc), BG574N3P20M4-4 (Bristol Industries, Llc), RMG13101J4-3-204 (Esna, Llc).
Key specifications for G52668-3DL20D4: Lubrication: DRY FILM LUBRICANT; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE CLIP; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE AND MIL-P-23377 MIL SPEC SINGLE TREATMENT RESPONSE CHANNEL. 28 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.