The Sleeve,coupling,flexible, cataloged under National Stock Number 3010-00-980-4684, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Circor Pumps North America Llc. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-980-4684 |
| Primary Part Number | S1020AZ8900 |
| Item Name | Sleeve,coupling,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Circor Pumps North America Llc |
| Status | ACTIVE |
| Outside Diameter | 2.000 INCHES NOMINAL IN |
| Material | PLASTIC |
| 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 |
|---|---|
| S1020AY8900 | Circor Pumps North America Llc (USA) |
| S1020AZ8900 PRIMARY | Circor Pumps North America Llc (USA) |
| Reference | Meaning |
|---|---|
| S1020AZ8900 | 5/9 Secondary reference Siemens Energy, Inc. |
| S1020AY8900 | 5/9 Secondary reference Siemens Energy, Inc. |
NSN 3010-00-980-4684 is a Sleeve,coupling,flexible, manufactured by Circor Pumps North America Llc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-980-4684 has 2 manufacturer part numbers on file: S1020AY8900 (Circor Pumps North America Llc), S1020AZ8900 (Circor Pumps North America Llc).
Key specifications for S1020AZ8900: Outside Diameter: 2.000 INCHES NOMINAL IN; Overall Length: 1.750 INCHES NOMINAL IN; Special Features: SPLINED BORE 1.500 IN. MINOR DIA, 1.750 IN. MAJOR DIA, 26 SPLINES FULL LG IN; Material: PLASTIC. 2 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.