The Drive Disc Assembly, cataloged under National Stock Number 6680-00-303-2041, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6680-00-303-2041 |
| Primary Part Number | 474821 |
| Item Name | Drive Disc Assembly |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited |
| Status | ACTIVE |
| General Characteristics Item Description | C/O DOWEL PIN PART NO. 048471-001 QTY 1,DRIVE DISC PART NO. 474847 QTY 1,0.750 IN. O/A LG,1.250 IN. O/A DIA 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 |
| Part Number | Manufacturer |
|---|---|
| 474821 | Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited (GBR) |
| Reference | Meaning |
|---|---|
| 474821 | 3/9 Design control — primary reference U.S. Government activity |
NSN 6680-00-303-2041 is a Drive Disc Assembly, manufactured by Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-00-303-2041 has 1 manufacturer part number on file: 474821 (Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited).
1 possible match (shared part number, not a government interchangeability claim): 5962-01-242-5709. Verify interchangeability with system specifications before substitution.
Key specifications for 474821: General Characteristics Item Description: C/O DOWEL PIN PART NO. 048471-001 QTY 1,DRIVE DISC PART NO. 474847 QTY 1,0.750 IN. O/A LG,1.250 IN. O/A DIA 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 6680-00-303-2041 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.