The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-184-0907, 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 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-184-0907 |
| Primary Part Number | F52673-6 |
| 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 | 1.421 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Plate Width | 0.860 INCHES MAXIMUM IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | MIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES SHELL |
| Material Document and Classification | MIL-R-6855,CL 1,GR 60 MIL SPEC SINGLE MATERIAL RESPONSE SEAL |
| Material Document and Classification | MIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES WASHER |
| Mounting Hole Diameter | 0.130 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Nut Counterbore Depth | 0.100 INCHES MINIMUM BASE IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Counterbore Diameter | 0.440 INCHES MAXIMUM BASE IN |
| Distance From Aperture Center to Mounting Hole Center | 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 1.123 INCHES MINIMUM AND 1.127 INCHES MAXIMUM IN |
| Nut Height | 0.642 INCHES MINIMUM AND 0.817 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 NUT |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAL |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 SHELL |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 WASHER |
| 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 |
|---|---|
| ST3M726C6M | The Boeing Company Div Defense (USA) |
| F52673-6 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| BSN726C6M PRIMARY | Bristol Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| NS202725-6 | 3/2 Design control — primary reference U.S. Government activity |
| F50406-6 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
NSN 5310-01-184-0907 is a Nut,self-Locking,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-184-0907 has 3 manufacturer part numbers on file: ST3M726C6M (The Boeing Company Div Defense), F52673-6 (Howmet Global Fastening Systems Inc), BSN726C6M (Bristol Industries, Llc).
Key specifications for F52673-6: Lubrication: DRY FILM LUBRICANT; Overall Height: 0.929 INCHES MAXIMUM IN; Plate Thickness: 0.015 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN; Nut Length: 1.421 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.