The Belt,positive Drive, cataloged under National Stock Number 3030-01-251-0629, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3030-01-251-0629 |
| Primary Part Number | 1890-14M55 |
| Item Name | Belt,positive Drive |
| FSC / FSG | 3030 / 30 — Belting, Drive Belts, Fan Belts, and Accessories |
| Manufacturer | Carlisle Power Transmission Products Inc |
| Status | ACTIVE |
| Strengthening Feature | SYNTHETIC CORD |
| Drive Type and Quantity | 135 TEETH |
| Style Designator | POSITIVE DRIVE |
| Surface Condition | SMOOTH OVERALL |
| Nominal Pitch Distance | 0.551 INCHES IN |
| Nominal Width | 2.170 INCHES IN |
| Material | PLASTIC POLYAMIDE NYLON AND RUBBER CHLOROPRENE CLASS CR BODY |
| Performance Type | STANDARD CAPACITY |
| Nominal Pitch Length | 74.410 INCHES IN |
| 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 |
|---|---|
| 1890-14M55 PRIMARY | Carlisle Power Transmission Products Inc (USA) |
| 1890-14M55 PRIMARY | Gates Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1890-14M55 | 5/9 Secondary reference U.S. Government activity |
| 11023750 | 7/1 Vendor item drawing reference Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center |
| 1890-14M55 | 5/9 Secondary reference Patrick Industries Patrick Metals Div |
NSN 3030-01-251-0629 is a Belt,positive Drive, manufactured by Carlisle Power Transmission Products Inc, classified under FSC 3030, Belting, Drive Belts, Fan Belts, and Accessories. Status: active.
NSN 3030-01-251-0629 has 2 manufacturer part numbers on file: 1890-14M55 (Carlisle Power Transmission Products Inc), 1890-14M55 (Gates Corporation).
Key specifications for 1890-14M55: Strengthening Feature: SYNTHETIC CORD; Drive Type and Quantity: 135 TEETH; Style Designator: POSITIVE DRIVE; Surface Condition: SMOOTH OVERALL. 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.