The Belt,round, cataloged under National Stock Number 3030-00-239-7401, is classified within Federal Supply Class 3030 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Crown Audio, Inc. Dba Crown International. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3030-00-239-7401 |
| Primary Part Number | D4390-7 |
| Item Name | Belt,round |
| FSC / FSG | 3030 / 30 — No Item Name Available |
| Manufacturer | Crown Audio, Inc. Dba Crown International |
| Status | ACTIVE |
| Surface Condition | SMOOTH OVERALL |
| Style Designator | SOLID ROUND |
| Material | RUBBER SYNTHETIC BODY |
| Nominal Inside Circumference | 16.500 INCHES IN |
| Nominal Diameter | 0.175 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3030-00-239-7401 is a Belt,round, manufactured by Crown Audio, Inc. Dba Crown International, classified under FSC 3030 (No Item Name Available). Status: active.
NSN 3030-00-239-7401 has 2 cross-referenced part numbers: D4390-7 (Crown Audio, Inc. Dba Crown International), 6720 (Crown Audio, Inc. Dba Crown International).
There are 12 known substitutes for 3030-00-239-7401: 5905-00-015-9368, 5330-00-116-1549, 6625-00-138-6528 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for D4390-7: Surface Condition: SMOOTH OVERALL; Style Designator: SOLID ROUND; Material: RUBBER SYNTHETIC BODY; Nominal Inside Circumference: 16.500 INCHES IN. 5 total characteristics are documented in the Federal Logistics Information System.