The Valve,diaphragm,stop, cataloged under National Stock Number 4820-01-325-9015, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tri-State Technical Sales Corp. Government technical data includes 14 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-325-9015 |
| Primary Part Number | 120E051606N1405 |
| Item Name | Valve,diaphragm,stop |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tri-State Technical Sales Corp |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Flange Face Design | PLAIN ALL ENDS |
| Bolt Circle Nominal Diameter | 4.750 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Bolt Hole Nominal Diameter | 0.750 INCHES ALL ENDS IN |
| Valve Size | 2.000 INCHES IN |
| Nominal Outside Diameter | 6.000 INCHES ALL ENDS IN |
| Bolt Hole Quantity | 4 ALL ENDS |
| Face to Face Distance | 7.500 INCHES IN |
| Material | IRON BODY |
| Material | STEEL STEM |
| Material | RUBBER CHLOROPRENE CLASS CR FLOW CONTROL DEVICE |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 120E051606N1405 PRIMARY | Tri-State Technical Sales Corp (USA) |
| Reference | Meaning |
|---|---|
| 120E0506N1405 | 5/9 Secondary reference Tri-State Technical Sales Corp |
| 11-51-004 2IN | 5/9 Secondary reference Rockwell Intl Corp Flow Control Div |
| 506-6-N1/1552 2IN | 5/9 Secondary reference Tri-State Technical Sales Corp |
| CSVA5-12 | D/9 Drawing number reference only Rockwell Intl Corp Flow Control Div |
| CSVA5-12 2IN | 5/9 Secondary reference Rockwell Intl Corp Flow Control Div |
NSN 4820-01-325-9015 is a Valve,diaphragm,stop, manufactured by Tri-State Technical Sales Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-325-9015 has 1 manufacturer part number on file: 120E051606N1405 (Tri-State Technical Sales Corp).
Key specifications for 120E051606N1405: Flange Shape: ROUND WITH HOLES ALL ENDS; Flange Face Design: PLAIN ALL ENDS; Bolt Circle Nominal Diameter: 4.750 INCHES ALL ENDS IN; Connection Type: FLANGE ALL ENDS. 14 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.