The Weight,counterbalance, cataloged under National Stock Number 3040-01-729-1901, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Md Helicopters Inc. The record lists 13 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 3040-01-729-1901 |
| Primary Part Number | 369A1622-3 |
| Item Name | Weight,counterbalance |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Md Helicopters Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 500P3131-5 | Vincent J. Guarin Consultant (USA) |
| 500P3131-1 | Vincent J. Guarin Consultant (USA) |
| 369A1622-5 | Vincent J. Guarin Consultant (USA) |
| 500P3131-3 | Vincent J. Guarin Consultant (USA) |
| 500P3131-1 | Helicopter Technology Corp Div Helicopter Technology Company (USA) |
| 369A1622-3 PRIMARY | Md Helicopters Inc (USA) |
| 500P3131-5 | Helicopter Technology Corp Div Helicopter Technology Company (USA) |
| 500P3131-3 | Helicopter Technology Corp Div Helicopter Technology Company (USA) |
| 369A1622-5 | Md Helicopters Inc (USA) |
| 369A1622-3 | The Boeing Company (USA) |
| 369A1622-3 | Mcdonnell Douglas Helicopter Co Inc (USA) |
| 500P3131-1 | Md Helicopters Inc (USA) |
| 500P3131-5 | Md Helicopters Inc (USA) |
NSN 3040-01-729-1901 is a Weight,counterbalance, manufactured by Md Helicopters Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-729-1901 has 13 manufacturer part numbers on file: 500P3131-5 (Vincent J. Guarin Consultant), 500P3131-1 (Vincent J. Guarin Consultant), 369A1622-5 (Vincent J. Guarin Consultant), 500P3131-3 (Vincent J. Guarin Consultant), 500P3131-1 (Helicopter Technology Corp Div Helicopter Technology Company) and 8 more.
1 possible match (shared part number, not a government interchangeability claim): 3040-01-729-1965. Verify interchangeability with system specifications before substitution.
Key specifications for 369A1622-3: Special Features: PART OF TAIL ROTOR BLADE.; Part Name Assigned by Controlling Agency: WEIGHT, T/R (FOR KIT 369D29999). 0 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.