The Weight,counterbalance, cataloged under National Stock Number 3040-01-489-1088, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-489-1088 |
| Primary Part Number | 70219-01045-106 |
| Item Name | Weight,counterbalance |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Mounting Hole Type and Quantity | 4 PLAIN |
| Mounting Hole Nominal Diameter | 0.280 INCHES IN |
| Material Document and Classification | MIL-T-21014 MIL SPEC SINGLE MATERIAL RESPONSE |
| Nominal Weight | 3.3800 POUNDS LBS |
| Specific Use | VIBRATION ABSORBER WEIGHT |
| Material | TUNGSTEN ALLOY |
| 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 |
|---|---|
| 70219-01045-106 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 70219-01045 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 3040-01-489-1088 is a Weight,counterbalance, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-489-1088 has 1 manufacturer part number on file: 70219-01045-106 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 70219-01045-106: Mounting Hole Type and Quantity: 4 PLAIN; Mounting Hole Nominal Diameter: 0.280 INCHES IN; Material Document and Classification: MIL-T-21014 MIL SPEC SINGLE MATERIAL RESPONSE; Overall Length: 9.800 INCHES NOMINAL IN. 6 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.
NSN 3040-01-489-1088 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.