The Valve,lift-Check, cataloged under National Stock Number 4820-01-527-2852, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dezurik, Inc.. Government technical data includes 22 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-527-2852 |
| Primary Part Number | 9543607-CRF |
| Item Name | Valve,lift-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dezurik, Inc. |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Furnished Items and Quantity | 1 HANDLE |
| Flange Face Design | PLAIN ALL ENDS |
| Bolt Circle Nominal Diameter | 6.562 INCHES ALL ENDS IN |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Bolt Hole Nominal Diameter | 0.562 INCHES ALL ENDS IN |
| Nominal Outside Diameter Tube Accommodated | 4.000 INCHES ALL ENDS IN |
| Operating Pressure | 175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Type | INSIDE SCREW |
| Seat Angle | 45.0 DEGREES FIRST END |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Outside Diameter | 7.688 INCHES ALL ENDS IN |
| Disk Loading Method | WEIGHT |
| Bolt Hole Quantity | 8 ALL ENDS |
| Bonnet Attachment Method | BOLTED |
| Material | COPPER ALLOY OVERALL |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND STEEL FLOW CONTROL DEVICE |
| Valve Operation Method | AUTOMATIC OR MANUAL |
| Nominal Thickness | 0.938 INCHES ALL ENDS IN |
| 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 |
|---|---|
| 9543607-CRF PRIMARY | Dezurik, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 104P3.6 | 5/9 Secondary reference Apco/valve & Primer Corp |
| 9543607-CRF | 5/9 Secondary reference Apco/valve & Primer Corp |
| S-100 MODIFIED | D/9 Drawing number reference only Apco/valve & Primer Corp |
NSN 4820-01-527-2852 is a Valve,lift-Check, manufactured by Dezurik, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-527-2852 has 1 manufacturer part number on file: 9543607-CRF (Dezurik, Inc.).
Key specifications for 9543607-CRF: Flow Control Device: DISK; Flange Shape: ROUND WITH HOLES ALL ENDS; Furnished Items and Quantity: 1 HANDLE; Flange Face Design: PLAIN ALL ENDS. 22 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.