The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-055-3844, 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 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-055-3844 |
| Primary Part Number | K2100-3BC |
| 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 | 0.032 INCHES NOMINAL IN |
| Nut Length | 1.013 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TYPE 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Series | UNF |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM IN |
| Mounting Provision Location | OPPOSITE NUT PROJECTION SIDE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.281 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Nut Mounting Provision | COUNTERSUNK 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 |
|---|---|
| K2100-3BC | Boeing Distribution Services SAS (FRA) |
| K2100-3BC PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| K2100-3BC | 5/9 Secondary reference Klx Aerospace Solutions II SAS |
| K2100-3BC | 5/9 Secondary reference Tecnotec Sarl |
NSN 5310-01-055-3844 is a Nut,self-Locking,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-055-3844 has 2 manufacturer part numbers on file: K2100-3BC (Boeing Distribution Services SAS), K2100-3BC (Howmet Global Fastening Systems Inc).
Key specifications for K2100-3BC: Lubrication: DRY FILM LUBRICANT; Plate Thickness: 0.032 INCHES NOMINAL IN; Nut Length: 1.013 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 TYPE 2 FED SPEC ALL TREATMENT RESPONSES OVERALL. 17 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.