The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-820-4716, 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 20 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-820-4716 |
| Primary Part Number | MF19058-4-3 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Plate Thickness | 0.125 INCHES NOMINAL IN |
| Nut Length | 0.807 INCHES NOMINAL IN |
| Thread Series | UNF |
| Plate Width | 0.431 INCHES NOMINAL IN |
| Temp Rating | 550.0 FAHRENHEIT NOMINAL DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Mounting Hole Diameter | 0.098 INCHES NOMINAL IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.281 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.562 INCHES NOMINAL IN |
| Nut Height | 0.406 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OVERALL |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| SS5041-4-3 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| MF19058-4-3 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| F52LHA3006M-3-048 | 5/9 Secondary reference Harvard Industries Inc |
| MF19058-4-3 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Microdot Products |
| 5310PL0782277 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| SS5091-04-3 | C/1 Advisory reference — outside the item-of-supply concept Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 5310-00-820-4716 is a Nut,self-Locking,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-820-4716 has 2 manufacturer part numbers on file: SS5041-4-3 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), MF19058-4-3 (Howmet Global Fastening Systems Inc).
Key specifications for MF19058-4-3: Plate Thickness: 0.125 INCHES NOMINAL IN; Nut Length: 0.807 INCHES NOMINAL IN; Thread Series: UNF; Plate Width: 0.431 INCHES NOMINAL IN. 20 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.