The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-01-006-6891, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-006-6891 |
| Primary Part Number | 3M193A4-4-12 |
| Item Name | Nut Assembly,self-Locking,gang C |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| Thread Series | UNF |
| Nut Quantity | 48 |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Nut Counterbore Depth | 0.250 INCHES NOMINAL NUT IN |
| Features Provided | FLOATING NUT |
| Channel Height | 0.203 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Counterbore Diameter | 0.254 INCHES MINIMUM NUT IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Assembly Overall Height | 0.472 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM NUT |
| Surface Treatment | PASSIVATE CHANNEL |
| Nut Style | GANG CHANNEL, SELF LOCKING |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL NUT |
| Material | STEEL CORROSION RESISTING CHANNEL |
| Nut Spacing | 1.500 INCHES MINIMUM 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 |
|---|---|
| G29504-4-4-12 | Howmet Global Fastening Systems Inc (USA) |
| G29504-4-4-12 | Satair A/s (DNK) |
| 3M193A4-4-12 PRIMARY | The Boeing Company Div Defense (USA) |
| 3M193A4-4-12 | Bristol Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| 3M193A4-4-12 | 5/9 Secondary reference Sps Technologies Inc |
| 3M193A4-4-12 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-006-6891 is a Nut Assembly,self-Locking,gang C, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-006-6891 has 4 manufacturer part numbers on file: G29504-4-4-12 (Howmet Global Fastening Systems Inc), G29504-4-4-12 (Satair A/s), 3M193A4-4-12 (The Boeing Company Div Defense), 3M193A4-4-12 (Bristol Industries, Llc).
Key specifications for 3M193A4-4-12: Lubrication: DRY FILM LUBRICANT; Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE NUT; Thread Series: UNF; Nut Quantity: 48. 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.