The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-191-4597, 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 23 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-191-4597 |
| Primary Part Number | F5000-420 |
| 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 | 0.025 INCHES NOMINAL IN |
| Nut Length | 1.292 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 1 CLASS 1 OR CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-416,TYPE 2 CLASS 1 OR CLASS 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Thread Series | UNJC |
| Plate Width | 0.516 INCHES MAXIMUM IN |
| Temp Rating | 232.0 CELSIUS MAXIMUM DEGC |
| Mounting Hole Arrangement Style | 2 HOLES |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Counterbore Diameter | 0.254 INCHES MINIMUM BASE 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 | 0.998 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN |
| Nut Height | 0.281 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OR CADMIUM AND CHROMATE OVERALL |
| Nut Style | PLATE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| 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 |
|---|---|
| F5000-420 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| F5000-420 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Microdot Products |
| MIL-STD-130 | 5/1 Secondary reference U.S. Government activity |
| GN502AM040 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| 13605-040 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-191-4597 is a Nut,self-Locking,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-191-4597 has 1 manufacturer part number on file: F5000-420 (Howmet Global Fastening Systems Inc).
Key specifications for F5000-420: Lubrication: DRY FILM LUBRICANT; Plate Thickness: 0.025 INCHES NOMINAL IN; Nut Length: 1.292 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 1 CLASS 1 OR CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-416,TYPE 2 CLASS 1 OR CLASS 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL. 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.