The Guide and Pulley Assembly, cataloged under National Stock Number 3020-01-385-1714, 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 Crosby Group Inc the Mckissick Plant Div. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-385-1714 |
| Primary Part Number | 8003550 |
| Item Name | Guide and Pulley Assembly |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Crosby Group Inc the Mckissick Plant Div |
| Status | ACTIVE |
| General Characteristics Item Description | INCLUDES 2 SEAL,P/N 58537; 1 BEARING ASSEMBLY,P/N 124421; 2 SCREWS,P/N 2001261; 2 NUTS,P/N 2001268; 2 WASHERS,P/N 2001295; 2 BEARING SPACERS,P/N 8003521; 1 PIN,P/N 8003549; 1 HOUSING ASSEMBLY,P/N 8003551; 1 PULLEY,P/N 8003552; 1 MONEL GREASE ZERK |
| 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 |
|---|---|
| 8003550 PRIMARY | Crosby Group Inc the Mckissick Plant Div (USA) |
| Reference | Meaning |
|---|---|
| M89Y247G | D/9 Drawing number reference only Crosby Group Inc the Mckissick Plant Div |
NSN 3020-01-385-1714 is a Guide and Pulley Assembly, manufactured by Crosby Group Inc the Mckissick Plant Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-385-1714 has 1 manufacturer part number on file: 8003550 (Crosby Group Inc the Mckissick Plant Div).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-667-0893. Verify interchangeability with system specifications before substitution.
Key specifications for 8003550: General Characteristics Item Description: INCLUDES 2 SEAL,P/N 58537; 1 BEARING ASSEMBLY,P/N 124421; 2 SCREWS,P/N 2001261; 2 NUTS,P/N 2001268; 2 WASHERS,P/N 2001295; 2 BEARING SPACERS,P/N 8003521; 1 PIN,P/N 8003549; 1 HOUSING ASSEMBLY,P/N 8003551; 1 PULLEY,P/N 8003552; 1 MONEL GREASE ZERK. 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.
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.