The Carrier, cataloged under National Stock Number 3020-01-124-3820, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-124-3820 |
| Item Name | Carrier |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL;6.440 IN. O/A LG;11.620 IN. OD;8.996 IN. MIN,8.998 IN. MAX HUB OD;8 HOLES EQUALLY SPACED 0.656 IN. DIA;2 HOLES 0.540 IN. DIA,180 DEG APART IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 201-4684480 | D/9 Drawing number reference only U.S. Government activity |
| 87776-0105 ITEM11 | 3/2 Design control — primary reference U.S. Government activity |
| 4684480-0011 | 5/9 Secondary reference Drw Mfg Co |
| 201-4684480 ITEM 11 | 5/2 Secondary reference U.S. Government activity |
| 87776-0105-11 | 5/9 Secondary reference Vorias Engineering Co |
| 87776-0105 | D/9 Drawing number reference only U.S. Government activity |
NSN 3020-01-124-3820 is a Carrier, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 3010-01-185-5464, 3020-01-190-1040. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-01-124-3820: General Characteristics Item Description: STEEL;6.440 IN. O/A LG;11.620 IN. OD;8.996 IN. MIN,8.998 IN. MAX HUB OD;8 HOLES EQUALLY SPACED 0.656 IN. DIA;2 HOLES 0.540 IN. DIA,180 DEG APART IN. 1 specification is 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 3020-01-124-3820 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.