The Drive Unit,angle, cataloged under National Stock Number 3010-01-191-2731, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3010-01-191-2731 |
| Primary Part Number | 709-4684921 ITEM 3 |
| Item Name | Drive Unit,angle |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Gear Ratio | 2 TO 1 |
| 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 |
|---|---|
| 709-4684921 ITEM 3 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 4684921-0003 | 5/2 Secondary reference U.S. Government activity |
| 709-4684921 | D/9 Drawing number reference only Naval Sea Systems Command |
| R-3330-2 | 5/9 Secondary reference U.S. Government activity |
| 87832-1650 | D/9 Drawing number reference only U.S. Government activity |
NSN 3010-01-191-2731 is a Drive Unit,angle, manufactured by Naval Sea Systems Command, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-191-2731 has 1 manufacturer part number on file: 709-4684921 ITEM 3 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 3010-01-191-2732, 3010-01-191-2733. Verify interchangeability with system specifications before substitution.
Key specifications for 709-4684921 ITEM 3: Overall Height: 2.810 INCHES MAXIMUM IN; Gear Ratio: 2 TO 1; Special Features: 3.120 IN.O/A;2 WAY RIGHT ANGLE 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.
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.