The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-357-3805, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Monadnock Company, the Dba Lisi Aerospace. Government technical data includes 22 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-357-3805 |
| Primary Part Number | 5300018-20W |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Monadnock Company, the Dba Lisi Aerospace |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Plate Thickness | 0.035 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Nut Length | 2.000 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNF |
| Plate Width | 1.515 INCHES NOMINAL IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Distance From Base to Center of Aperture | 0.290 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-367 FED SPEC SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT |
| Mounting Hole Diameter | 0.097 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Center to Center Distance Between Mounting Holes Along Width | 1.000 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.190 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 2.500 INCHES NOMINAL IN |
| Surface Treatment | OXIDE FILM OVERALL |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING LOCKING INSERT |
| Material | ALUMINUM ALLOY 2014 OVERALL EXCEPT INSERT |
| 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 |
|---|---|
| 5300018-20W PRIMARY | Monadnock Company, the Dba Lisi Aerospace (USA) |
| Reference | Meaning |
|---|---|
| WSI-332L-20W | 5/9 Secondary reference U.S. Government activity |
| WSI-332L-20W | 5/9 Secondary reference Atlas Corp Western Sky Industries Div |
| WSI-332-20W | 3/2 Design control — primary reference U.S. Government activity |
| 9D0147-3-20 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-357-3805 is a Nut,self-Locking,plate, manufactured by Monadnock Company, the Dba Lisi Aerospace, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-357-3805 has 1 manufacturer part number on file: 5300018-20W (Monadnock Company, the Dba Lisi Aerospace).
Key specifications for 5300018-20W: Lubrication: DRY FILM LUBRICANT; Plate Thickness: 0.035 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN; Nut Length: 2.000 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 22 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.