The Pulley,groove, cataloged under National Stock Number 3020-00-287-7572, 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 Tyco Fire Products Lp. Government technical data includes 29 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-287-7572 |
| Primary Part Number | 10-03408 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Tyco Fire Products Lp |
| Status | ACTIVE |
| FSC Application Data | FIRE FIGHTING EQUIPMENT |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 1.125 INCHES NOMINAL BOTH ENDS IN |
| Bore Feature | INCLUDED |
| Securing Method | DRILLED HOLE |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.625 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Radius | 0.031 INCHES NOMINAL IN |
| Groove Shape | U |
| Outside Diameter | 3.000 INCHES NOMINAL IN |
| Style Designator | WEBBED OR SPOKED |
| Material Document and Classification | 11S-T3, ALUMINUM CO OF AMERICA MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Groove Depth | 0.094 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| Securing Hole Quantity | 1 |
| Drilled Hole Diameter | 0.125 INCHES NOMINAL IN |
| Unable to Decode | UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 0.313 INCHES NOMINAL BOTH ENDS IN |
| Hole Location | 0.156 IN. FROM END OF HUB IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.5905 INCHES MINIMUM AND 0.5920 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| Face Width | 0.313 INCHES NOMINAL IN |
| Groove Width | 0.188 INCHES NOMINAL IN |
| Lightening Hole | NOT INCLUDED |
| 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 |
|---|---|
| 10-03408 PRIMARY | Tyco Fire Products Lp (USA) |
| Reference | Meaning |
|---|---|
| S3408 | 5/9 Secondary reference Tyco Fire Products Lp |
NSN 3020-00-287-7572 is a Pulley,groove, manufactured by Tyco Fire Products Lp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-287-7572 has 1 manufacturer part number on file: 10-03408 (Tyco Fire Products Lp).
2 possible matches (shared part number, not a government interchangeability claim): 5360-01-245-3491, 4320-01-584-4904. Verify interchangeability with system specifications before substitution.
Key specifications for 10-03408: FSC Application Data: FIRE FIGHTING EQUIPMENT; Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 1.125 INCHES NOMINAL BOTH ENDS IN; Bore Feature: INCLUDED. 29 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.