The Belts,v,matched Set, cataloged under National Stock Number 3030-00-180-2103, 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 Carlisle Power Transmission Products Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3030-00-180-2103 |
| Primary Part Number | 30500GL SET 2 |
| Item Name | Belts,v,matched Set |
| FSC / FSG | 3030 / 30 — Belting, Drive Belts, Fan Belts, and Accessories |
| Manufacturer | Carlisle Power Transmission Products Inc |
| Status | ACTIVE |
| Nominal Effective Outside Length | 50.875 INCHES IN |
| Strengthening Feature | SYNTHETIC CORD |
| Style Designator | PLAIN, COG OR NOTCHED |
| Belt Quantity | 2 |
| Cross-Sectional Size | SAE 7/8 |
| Nominal Width | 0.875 INCHES IN |
| Material | RUBBER CHLOROPRENE CLASS CR AND RUBBER NEOPRENE AND RUBBER SYNTHETIC OVERALL |
| Angle in Deg | 36.0 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 30500GL SET 2 PRIMARY | Carlisle Power Transmission Products Inc (USA) |
| 501-2 PRIMARY | Gates Corporation (USA) |
| 28503 SET 2 | Contitech Usa, Inc Dba Veyance Technologies (USA) |
| 246 SET 2 | Gates Corporation (USA) |
| 28503-2 PRIMARY | Carlisle Power Transmission Products Inc (USA) |
| 17859700 | Cummins Inc. (USA) |
| 28503GL SET 2 PRIMARY | Carlisle Power Transmission Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 28503-2 | 5/9 Secondary reference U.S. Government activity |
| 28503GL SET 2 | 5/9 Secondary reference U.S. Government activity |
| 178597 | 5/9 Secondary reference Cummins Inc. |
| 196TMATCHEDSET0F2 | 5/9 Secondary reference Gates Corporation |
| 28503 SET 2 | 5/9 Secondary reference Goodyear Tire and Rubber Co the |
| 30500GL SET 2 | 5/9 Secondary reference U.S. Government activity |
NSN 3030-00-180-2103 is a Belts,v,matched Set, manufactured by Carlisle Power Transmission Products Inc, classified under FSC 3030, Belting, Drive Belts, Fan Belts, and Accessories. Status: active.
NSN 3030-00-180-2103 has 7 manufacturer part numbers on file: 30500GL SET 2 (Carlisle Power Transmission Products Inc), 501-2 (Gates Corporation), 28503 SET 2 (Contitech Usa, Inc Dba Veyance Technologies), 246 SET 2 (Gates Corporation), 28503-2 (Carlisle Power Transmission Products Inc) and 2 more.
2 possible matches (shared part number, not a government interchangeability claim): 5306-00-489-7192, 6645-01-171-3108. Verify interchangeability with system specifications before substitution.
Key specifications for 30500GL SET 2: Nominal Effective Outside Length: 50.875 INCHES IN; Strengthening Feature: SYNTHETIC CORD; Style Designator: PLAIN, COG OR NOTCHED; Belt Quantity: 2. 9 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.