The Piston,valve, cataloged under National Stock Number 4820-01-243-2071, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bosch Rexroth Corporation Div Industrial Hydraulics. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-243-2071 |
| Primary Part Number | R900193262 |
| Item Name | Piston,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Bosch Rexroth Corporation Div Industrial Hydraulics |
| 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 |
|---|---|
| R900193262 PRIMARY | Bosch Rexroth Corporation Div Industrial Hydraulics (USA) |
| BM-190273 ITEM 6VM | Naval Inventory Control Point Mechanicsburg (USA) |
| 193262VM | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 193262 | 5/9 Secondary reference Bosch Rexroth Corporation Div Industrial Hydraulics |
| BM-190273 ITEM 6 | 5/1 Secondary reference Bosch Rexroth Corporation Div Industrial Hydraulics |
NSN 4820-01-243-2071 is a Piston,valve, manufactured by Bosch Rexroth Corporation Div Industrial Hydraulics, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-243-2071 has 3 manufacturer part numbers on file: R900193262 (Bosch Rexroth Corporation Div Industrial Hydraulics), BM-190273 ITEM 6VM (Naval Inventory Control Point Mechanicsburg), 193262VM (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-565-9137. Verify interchangeability with system specifications before substitution.
Key specifications for R900193262: Special Features: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION. 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.