The Belt,round, cataloged under National Stock Number 3030-01-305-2139, is classified within Federal Supply Class 3030 (Belting, Drive Belts, Fan Belts, and Accessories) of the Mechanical Power Transmission Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3030-01-305-2139 |
| Item Name | Belt,round |
| FSC / FSG | 3030 / 30 — Belting, Drive Belts, Fan Belts, and Accessories |
| Status | ACTIVE |
| Nominal Inside Circumference | 3.234 INCHES IN |
| Nominal Diameter | 0.139 INCHES IN |
| Style Designator | SOLID ROUND |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 10672001 | 3/9 Design control — primary reference Bell and Howell Inc Micro Design Div |
NSN 3030-01-305-2139 is a Belt,round, classified under FSC 3030, Belting, Drive Belts, Fan Belts, and Accessories. Status: active.
Key specifications for 3030-01-305-2139: Nominal Inside Circumference: 3.234 INCHES IN; Nominal Diameter: 0.139 INCHES IN; Style Designator: SOLID ROUND. 3 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.