The Pulley,timing Belt, cataloged under National Stock Number 3020-01-107-7585, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 7 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-107-7585 |
| Primary Part Number | 3881TBW18XH400 |
| Item Name | Pulley,timing Belt |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Face Pitch Designation | XH |
| Face Type | FLAT GROOVED WITH DOUBLE FLANGE |
| Bore Type | MINIMUM |
| Face Groove/tooth Quantity | 18 |
| Bore Diameter | 1.000 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN |
| Material | IRON CAST |
| Face Width | 4.688 INCHES NOMINAL 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 |
|---|---|
| 3881TBW18XH400 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| Reference | Meaning |
|---|---|
| 18XH400 | 5/9 Secondary reference TB Woods's Corporation |
| A-2220 PIECE 150 | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| PL-D-4527 PIECE | C/1 Advisory reference — outside the item-of-supply concept Circor Naval Solutions Llc Dba Warren Pumps |
| PL-A-2218 PIECE | C/1 Advisory reference — outside the item-of-supply concept Circor Naval Solutions Llc Dba Warren Pumps |
NSN 3020-01-107-7585 is a Pulley,timing Belt, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-107-7585 has 1 manufacturer part number on file: 3881TBW18XH400 (Circor Naval Solutions Llc Dba Warren Pumps).
Key specifications for 3881TBW18XH400: Face Pitch Designation: XH; Face Type: FLAT GROOVED WITH DOUBLE FLANGE; Overall Length: 4.688 INCHES NOMINAL IN; Bore Type: MINIMUM. 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.