The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-01-398-3064, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is American Aerospace Components Llc. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-398-3064 |
| Primary Part Number | MS21066-3-16-2 |
| Item Name | Nut Assembly,self-Locking,gang C |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | American Aerospace Components Llc |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Nut Quantity | 2 |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Assembly Overall Height | 0.281 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM NUT |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL NUT |
| Material | ALUMINUM ALLOY 2024 CHANNEL |
| Nut Spacing | 2.000 INCHES NOMINAL IN |
| 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 |
|---|---|
| MS21066-3-16-2 PRIMARY | American Aerospace Components Llc (USA) |
| Reference | Meaning |
|---|---|
| NASM21066 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| MS21066-3-16-2 | 3/2 Design control — primary reference U.S. Government activity |
| MS21066-3-16-2 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-398-3064 is a Nut Assembly,self-Locking,gang C, manufactured by American Aerospace Components Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-398-3064 has 1 manufacturer part number on file: MS21066-3-16-2 (American Aerospace Components Llc).
Key specifications for MS21066-3-16-2: Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Nut Quantity: 2; Overall Width: 0.593 INCHES MAXIMUM IN; Features Provided: FLOATING NUT. 12 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.