The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-236-7657, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-236-7657 |
| Primary Part Number | 91000-BJS-1VM |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION |
| 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 |
|---|---|
| 91000-BJS-1VM | Naval Inventory Control Point Mechanicsburg (USA) |
| BM-S-528 ITEM 19VM | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 91000-BJS-DWG.N | C/1 Advisory reference — outside the item-of-supply concept H O Trerice Co |
| 91000-BJS-1 | 3/1 Design control — primary reference H O Trerice Co |
| BM-S-528 ITEM 19 | 5/9 Secondary reference Metso Minerals Industries, Inc. Dba Bulk Material Handling |
NSN 4820-01-236-7657 is a Valve,regulating,fluid Pressure, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-236-7657 has 2 manufacturer part numbers on file: 91000-BJS-1VM (Naval Inventory Control Point Mechanicsburg), BM-S-528 ITEM 19VM (Naval Inventory Control Point Mechanicsburg).
Key specifications for 91000-BJS-1VM: Reference Number Differentiating Characteristics: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION. 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.