The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-215-0109, 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 26 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-215-0109 |
| Primary Part Number | F50859-4 |
| 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 | 0.026 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN |
| Nut Length | 1.218 INCHES MINIMUM AND 1.292 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Precious Material | SILVER |
| Plate Width | 0.515 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Criticality Code Justification | FEAT |
| Material Document and Classification | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE SHELL |
| Material Document and Classification | AMS 5709 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 1.000 INCHES NOMINAL IN |
| Nut Height | 0.344 INCHES MINIMUM AND 0.371 INCHES MAXIMUM IN |
| Surface Treatment | SILVER NUT |
| Surface Treatment | PASSIVATE SHELL |
| Precious Material and Location | NUTS SILVER |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | NICKEL ALLOY NUT |
| Material | IRON ALLOY 660 SHELL |
| Nut Mounting Provision | STRAIGHT HOLES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| F50859-4 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| F50859-4 | Ge Engine Services Distribution, L.l.c. (USA) |
| J1100P04 | General Electric Company (USA) |
| J1100P04 | National Aerospace Fasteners Corporation |
| Reference | Meaning |
|---|---|
| 10110168 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| J1100P04A | 5/9 Secondary reference General Electric Company |
| F50859-4 | 5/9 Secondary reference Mra Systems, Llc |
| J1100P04B | 5/9 Secondary reference General Electric Company |
| F12409-4 | C/1 Advisory reference — outside the item-of-supply concept Esna, Llc |
| F12409-4 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-01-215-0109 is a Nut,self-Locking,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-215-0109 has 4 manufacturer part numbers on file: F50859-4 (Howmet Global Fastening Systems Inc), F50859-4 (Ge Engine Services Distribution, L.l.c.), J1100P04 (General Electric Company), J1100P04 (National Aerospace Fasteners Corporation).
Key specifications for F50859-4: Lubrication: DRY FILM LUBRICANT; Plate Thickness: 0.026 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN; Nut Length: 1.218 INCHES MINIMUM AND 1.292 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 26 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.