The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-01-503-4388, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Click Bond Inc. Government technical data includes 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-503-4388 |
| Primary Part Number | CB6012CR4-1-6 |
| Item Name | Nut Assembly,self-Locking,gang C |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Click Bond Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| Surface Treatment Document and Classification | QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE CHANNEL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Nut Quantity | 2 |
| Material Document and Classification | AMS5688 ASSN STD SINGLE MATERIAL RESPONSE CLIP |
| Material Document and Classification | AMS5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5735 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | AMS5525 ASSN STD SINGLE MATERIAL RESPONSE CHANNEL |
| Nut Counterbore Depth | 0.070 INCHES MINIMUM FIRST END IN |
| Channel Height | 0.260 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Counterbore Diameter | 0.312 INCHES MINIMUM FIRST END IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Assembly Overall Height | 0.282 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE NUT |
| Surface Treatment | PASSIVATE CHANNEL |
| Nut Style | GANG CHANNEL, SELF LOCKING |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | IRON ALLOY 660 NUT |
| Material | STEEL COMP 302 CLIP |
| Material | IRON ALLOY 660 CHANNEL |
| Nut Spacing | 0.750 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 |
|---|---|
| CB6012CR4-1-6 PRIMARY | Click Bond Inc (USA) |
| Reference | Meaning |
|---|---|
| 3D0235-4-1-6 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-503-4388 is a Nut Assembly,self-Locking,gang C, manufactured by Click Bond Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-503-4388 has 1 manufacturer part number on file: CB6012CR4-1-6 (Click Bond Inc).
Key specifications for CB6012CR4-1-6: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT; Surface Treatment Document and Classification: QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE CHANNEL; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Nut Quantity: 2. 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.