The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-01-102-2709, 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 23 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-102-2709 |
| Primary Part Number | ST3M484B4E40N |
| 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 | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE CHANNEL |
| Radius | 5.000 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Nut Quantity | 13 |
| Temp Rating | 350.0 FAHRENHEIT MAXIMUM DEGF |
| Material Document and Classification | QQ-A-250/13,T6 FED SPEC SINGLE MATERIAL RESPONSE CHANNEL |
| Material Document and Classification | AMS5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Nut Counterbore Depth | 0.125 INCHES NOMINAL NUT IN |
| Channel Height | 0.298 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Counterbore Diameter | 0.085 INCHES NOMINAL NUT IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Assembly Overall Height | 0.351 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE CHANNEL |
| Surface Treatment | NICKEL OR COPPER OR NICKEL AND COPPER NUT |
| Nut Style | GANG CHANNEL, SELF LOCKING |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | IRON ALLOY 660 NUT |
| Nut Spacing | 1.205 INCHES NOMINAL IN |
| Channel Style | RADIUS 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 |
|---|---|
| ST3M484B4E40N | Howmet Global Fastening Systems Inc (USA) |
| ST3M484B4E40N | Bristol Industries, Llc (USA) |
| ST3M484B4E40N PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| RG49569E4-2-10-40-4 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| ST3M484B4E40N | 5/2 Secondary reference U.S. Government activity |
| RG1824JL10-40-4 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-01-102-2709 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 5310-01-102-2709 has 3 manufacturer part numbers on file: ST3M484B4E40N (Howmet Global Fastening Systems Inc), ST3M484B4E40N (Bristol Industries, Llc), ST3M484B4E40N (The Boeing Company Div Defense).
Key specifications for ST3M484B4E40N: Lubrication: DRY FILM LUBRICANT; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE CHANNEL; Radius: 5.000 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 23 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.