The Valve,hold,boom Hoist Cylinder, cataloged under National Stock Number 4820-01-451-8729, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Supreme Integrated Technology, Inc. Dba C.s. Controls. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-451-8729 |
| Primary Part Number | 8201-004-042 |
| Item Name | Valve,hold,boom Hoist Cylinder |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Supreme Integrated Technology, Inc. Dba C.s. Controls |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY BODY |
| Valve Operation Method | AUTOMATICAUTOMATIC |
| 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 |
|---|---|
| 8201-004-042 PRIMARY | Supreme Integrated Technology, Inc. Dba C.s. Controls (USA) |
| 8201-006 ITEM NO 40 | Morgan Crane Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 8201-004-042 | C/1 Advisory reference — outside the item-of-supply concept Sun Hydraulics Corporation |
NSN 4820-01-451-8729 is a Valve,hold,boom Hoist Cylinder, manufactured by Supreme Integrated Technology, Inc. Dba C.s. Controls, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-451-8729 has 2 manufacturer part numbers on file: 8201-004-042 (Supreme Integrated Technology, Inc. Dba C.s. Controls), 8201-006 ITEM NO 40 (Morgan Crane Co Inc).
Key specifications for 8201-004-042: Special Features: INCLUDES MODIFIED SUN HYDRAULIC VALVE,P/N CBCALAVECJINCLUDES MODIFIED SUN HYDRAULIC VALVE,P/N CBCALAVECJ; Part Name Assigned by Controlling Agency: COUNTERBALANCE VALVE ASSY.COUNTERBALANCE VALVE ASSY.; End Item Identification: OSPREY CLASS MHCOSPREY CLASS MHC; Material: ALUMINUM ALLOY BODY. 2 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.