The Belt,positive Drive, cataloged under National Stock Number 3030-00-945-0431, 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 Thales Security Systems Uk Limited. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3030-00-945-0431 |
| Primary Part Number | B4681-118ISSUE3 |
| Item Name | Belt,positive Drive |
| FSC / FSG | 3030 / 30 — Belting, Drive Belts, Fan Belts, and Accessories |
| Manufacturer | Thales Security Systems Uk Limited |
| Status | ACTIVE |
| Strengthening Feature | SYNTHETIC CORD |
| Drive Type and Quantity | 60 TEETH |
| Style Designator | POSITIVE DRIVE |
| Surface Condition | SMOOTH OVERALL |
| Nominal Pitch Distance | 0.375 INCHES IN |
| Nominal Width | 0.375 INCHES IN |
| Material | RUBBER CHLOROPRENE CLASS CR BODY |
| Performance Type | STANDARD CAPACITY |
| Nominal Pitch Length | 22.500 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 |
|---|---|
| B4681-118ISSUE3 PRIMARY | Thales Security Systems Uk Limited (GBR) |
| 9351X3/8B434N1G2 PRIMARY | Gates Corporation (USA) |
| Reference | Meaning |
|---|---|
| 9351X3/8B434N1G2 | 5/9 Secondary reference Lanxess Corporation |
NSN 3030-00-945-0431 is a Belt,positive Drive, manufactured by Thales Security Systems Uk Limited, classified under FSC 3030, Belting, Drive Belts, Fan Belts, and Accessories. Status: active.
NSN 3030-00-945-0431 has 2 manufacturer part numbers on file: B4681-118ISSUE3 (Thales Security Systems Uk Limited), 9351X3/8B434N1G2 (Gates Corporation).
Key specifications for B4681-118ISSUE3: Strengthening Feature: SYNTHETIC CORD; Drive Type and Quantity: 60 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.