The Cup Unit-Ball, cataloged under National Stock Number 2520-01-421-8470, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-421-8470 |
| Primary Part Number | 349AS181-1 |
| Item Name | Cup Unit-Ball |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| General Characteristics Item Description | THICKNESS IS 0.438,TWO HOLES ON EACH END OF PLATE 3/16 DIA,ITEM IS A PART OF THROTTLE LINKAGE SYS |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 349AS181-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 2520-01-421-8470 is a Cup Unit-Ball, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-421-8470 has 1 manufacturer part number on file: 349AS181-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 349AS181-1: General Characteristics Item Description: THICKNESS IS 0.438,TWO HOLES ON EACH END OF PLATE 3/16 DIA,ITEM IS A PART OF THROTTLE LINKAGE SYS; Overall Length: 2.500 INCHES NOMINAL IN; Overall Width: 1.500 INCHES NOMINAL IN; Material: STEEL. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.