The Belts,v,matched Set, cataloged under National Stock Number 3030-00-989-4795, is classified within Federal Supply Class 3030 (Belting, Drive Belts, Fan Belts, and Accessories) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Cummins Inc.. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3030-00-989-4795 |
| Primary Part Number | 178637 |
| Item Name | Belts,v,matched Set |
| FSC / FSG | 3030 / 30 — Belting, Drive Belts, Fan Belts, and Accessories |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Nominal Effective Outside Length | 38.460 INCHES IN |
| Strengthening Feature | POLYESTER CORD |
| Style Designator | COG OR NOTCHED |
| Belt Quantity | 2 |
| Cross-Sectional Size | SAE 3/4 |
| Material | FIBER AND RUBBER BODY |
| Performance Type | STANDARD CAPACITY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3030-00-989-4795 is a Belts,v,matched Set, manufactured by Cummins Inc., classified under FSC 3030, Belting, Drive Belts, Fan Belts, and Accessories. Status: active.
NSN 3030-00-989-4795 has 2 manufacturer part numbers on file: 178637 (Cummins Inc.), 139446 (Cummins Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6685-01-163-1116. Verify interchangeability with system specifications before substitution.
Key specifications for 178637: Nominal Effective Outside Length: 38.460 INCHES IN; Strengthening Feature: POLYESTER CORD; Style Designator: COG OR NOTCHED; Belt Quantity: 2. 7 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.