The Lever,manual Control, cataloged under National Stock Number 3040-01-390-2881, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Ingersoll Rand Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-390-2881 |
| Primary Part Number | HLK-556 |
| Item Name | Lever,manual Control |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Ingersoll Rand Co |
| Status | ACTIVE |
| Material | STEEL |
| 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 |
|---|---|
| HLK-556 PRIMARY | Ingersoll Rand Co (USA) |
| Reference | Meaning |
|---|---|
| HLK-556 | 5/9 Secondary reference Ingersoll-Rand Co Professional Tools Group |
NSN 3040-01-390-2881 is a Lever,manual Control, manufactured by Ingersoll Rand Co, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-390-2881 has 1 manufacturer part number on file: HLK-556 (Ingersoll Rand Co).
Key specifications for HLK-556: Overall Height: 2.500 INCHES NOMINAL IN; Overall Length: 11.800 INCHES NOMINAL IN; Overall Width: 5.400 INCHES NOMINAL IN; Special Features: ITEM IS A WELDED ASSEMBLY MADE FROM STEEL BAR (0.25"WIDE, 0.92" HIGH); IT IS ATTACHED TO THE UNDERSIDE OF THE HOIST WITH A PIN. 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.