The Pulley,cone, cataloged under National Stock Number 3020-01-177-2500, 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 American Hofmann Corp. Government technical data includes 23 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 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 | 3020-01-177-2500 |
| Primary Part Number | 1-7362 |
| Item Name | Pulley,cone |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | American Hofmann Corp |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Step Quantity | 2 |
| Securing Method | SETSCREW |
| Bore Length | 3.516 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Face Type | STEP CONE |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Bore Type | STRAIGHT |
| Counterbore Depth | 1.125 INCHES NOMINAL IN |
| Counterbore Location | BB END |
| Counterbore Diameter | 1.625 INCHES NOMINAL IN |
| Bore Bearing | NOT INCLUDED |
| Distance From Center of Bore to Bottom of Keyway | 0.688 INCHES NOMINAL IN |
| Keyway Width | 0.250 INCHES NOMINAL IN |
| Step Outside Diameter | 5.234 INCHES NOMINAL AND 2.484 INCHES NOMINAL IN |
| Keying Facility | INCLUDED |
| Counterbore Feature | INCLUDED |
| Bore Diameter | 1.125 INCHES NOMINAL IN |
| Material | ALUMINUM OVERALL |
| Face Width | 1.500 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 |
NSN 3020-01-177-2500 is a Pulley,cone, manufactured by American Hofmann Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-177-2500 has 2 manufacturer part numbers on file: 2000-7362 (American Hofmann Corp), 1-7362 (American Hofmann Corp).
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-204-9776, 5340-01-375-2309. Verify interchangeability with system specifications before substitution.
Key specifications for 1-7362: Integral Cooling Vane: NOT INCLUDED; Step Quantity: 2; Securing Method: SETSCREW; Bore Length: 3.516 INCHES NOMINAL IN. 23 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.