The Belt,flat, cataloged under National Stock Number 3030-01-433-9039, 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 Oil States Industries, Inc. Div Special Products Div. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3030-01-433-9039 |
| Primary Part Number | ND8950 |
| Item Name | Belt,flat |
| FSC / FSG | 3030 / 30 — Belting, Drive Belts, Fan Belts, and Accessories |
| Manufacturer | Oil States Industries, Inc. Div Special Products Div |
| Status | CANCELLED |
| Nominal Inside Circumference | 71.000 INCHES IN |
| Strengthening Feature | RAYON CORD |
| Usage Design | TRANSMITTING POWER |
| Style Designator | REGULAR FLAT TYPE |
| Ply Quantity | 9 |
| Nominal Width | 0.062 INCHES IN |
| Material | RUBBER NEOPRENE OVERALL |
| Nominal Thickness | 0.320 INCHES IN |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ND8950 PRIMARY | Oil States Industries, Inc. Div Special Products Div (USA) |
| Reference | Meaning |
|---|---|
| 20939-1 | 5/9 Secondary reference U.S. Government activity |
| 20939 PIECE 1 | 5/9 Secondary reference Pan Am Corp |
| 20939-1 | 3/1 Design control — primary reference U.S. Government activity |
| 20939 | D/9 Drawing number reference only Central Detroit Diesel-Allison Inc |
| 20939-1 | 5/9 Secondary reference Johnson Controls Inc Engineered Piping Systems Div Temp Flex Expansion Joints |
NSN 3030-01-433-9039 is a Belt,flat, manufactured by Oil States Industries, Inc. Div Special Products Div, classified under FSC 3030, Belting, Drive Belts, Fan Belts, and Accessories. Status: cancelled.
NSN 3030-01-433-9039 has 1 manufacturer part number on file: ND8950 (Oil States Industries, Inc. Div Special Products Div).
Key specifications for ND8950: Nominal Inside Circumference: 71.000 INCHES IN; Strengthening Feature: RAYON CORD; Usage Design: TRANSMITTING POWER; Style Designator: REGULAR FLAT TYPE. 8 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.
NSN 3030-01-433-9039 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.