The Belt,positive Drive, cataloged under National Stock Number 3030-00-856-3952, 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 Gates Corporation. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3030-00-856-3952 |
| Primary Part Number | 9371X1-2B4N1 |
| Item Name | Belt,positive Drive |
| FSC / FSG | 3030 / 30 — Belting, Drive Belts, Fan Belts, and Accessories |
| Manufacturer | Gates Corporation |
| Status | ACTIVE |
| Strengthening Feature | FIBER CORD |
| Drive Type and Quantity | 136 TEETH |
| Style Designator | POSITIVE DRIVE |
| Nominal Pitch Distance | 0.073 INCHES IN |
| Nominal Width | 0.500 INCHES IN |
| Material | FIBER AND RUBBER BODY |
| Nominal Pitch Length | 51.000 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 |
|---|---|
| 9371X1-2B4N1 PRIMARY | Gates Corporation (USA) |
| 2302603 | Parisi Associates Llc (USA) |
| Reference | Meaning |
|---|---|
| 9371X1-2B4N1 | 5/9 Secondary reference Uniroyal Inc Oxford Management and Reseach Center Power Transmission Sales |
| 2302603 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 9371X1-2B4N1 | 5/9 Secondary reference Lanxess Corporation |
NSN 3030-00-856-3952 is a Belt,positive Drive, manufactured by Gates Corporation, classified under FSC 3030, Belting, Drive Belts, Fan Belts, and Accessories. Status: active.
NSN 3030-00-856-3952 has 2 manufacturer part numbers on file: 9371X1-2B4N1 (Gates Corporation), 2302603 (Parisi Associates Llc).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-555-5094. Verify interchangeability with system specifications before substitution.
Key specifications for 9371X1-2B4N1: Strengthening Feature: FIBER CORD; Drive Type and Quantity: 136 TEETH; Style Designator: POSITIVE DRIVE; Nominal Pitch Distance: 0.073 INCHES IN. 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.