The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-213-5396, 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 29 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-213-5396 |
| Primary Part Number | MF52680-5 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Plate Thickness | 0.015 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN |
| Nut Length | 1.143 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SHELL |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE WASHER |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Plate Width | 0.750 INCHES MAXIMUM IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE SHELL |
| Material Document and Classification | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE WASHER |
| Material Document and Classification | MIL-R-6855,CLASS 1,GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE SEAL |
| Mounting Hole Diameter | 0.130 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Nut Counterbore Depth | 0.125 INCHES MINIMUM BASE IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.3125 INCHES IN |
| Counterbore Diameter | 0.332 INCHES MINIMUM AND 0.367 INCHES MAXIMUM BASE IN |
| Distance From Aperture Center to Mounting Hole Center | 0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.873 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN |
| Nut Height | 0.385 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE WASHER |
| Surface Treatment | PASSIVATE SHELL |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | IRON ALLOY 660 SHELL |
| Material | IRON ALLOY 660 NUT |
| 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 |
|---|---|
| MF52680-5 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 3M936C5M2 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| MF52373-5 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| NS202420-5-2 | 5/2 Secondary reference U.S. Government activity |
| 202420-5-2 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-213-5396 is a Nut,self-Locking,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-213-5396 has 2 manufacturer part numbers on file: MF52680-5 (Howmet Global Fastening Systems Inc), 3M936C5M2 (The Boeing Company Div Defense).
Key specifications for MF52680-5: Lubrication: DRY FILM LUBRICANT; Overall Height: 0.770 INCHES MAXIMUM IN; Plate Thickness: 0.015 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN; Nut Length: 1.143 INCHES MAXIMUM IN. 29 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.