The Valve,vacuum Breaking, cataloged under National Stock Number 4820-00-066-5740, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Newterra Corporation, Inc.. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-00-066-5740 |
| Primary Part Number | D147625 |
| Item Name | Valve,vacuum Breaking |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Newterra Corporation, Inc. |
| Status | ACTIVE |
| Second End Relationship with First End | NOT IDENTICAL |
| First End Flange Outside Diameter | 5.000 INCHES NOMINAL IN |
| First End Style Designator | PLAIN |
| End Connection Quantity | 2 |
| Temp Adjustability | NOT ADJUSTABLE |
| First End Flange Shape Style | HEXAGON W/ BOLT HOLES |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY SEAT |
| Media for Which Designed | WATER, FRESH |
| 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 |
|---|---|
| D147625 PRIMARY | Newterra Corporation, Inc. (USA) |
| Reference | Meaning |
|---|---|
| CS4820-SR-0709 | D/9 Drawing number reference only Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
NSN 4820-00-066-5740 is a Valve,vacuum Breaking, manufactured by Newterra Corporation, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-066-5740 has 1 manufacturer part number on file: D147625 (Newterra Corporation, Inc.).
Key specifications for D147625: Second End Relationship with First End: NOT IDENTICAL; First End Flange Outside Diameter: 5.000 INCHES NOMINAL IN; First End Style Designator: PLAIN; End Connection Quantity: 2. 9 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.