The Valve,check, cataloged under National Stock Number 4820-01-179-9832, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Crane Co Div Valve Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-179-9832 |
| Primary Part Number | 175X 2-1/2IN 600PSI |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Crane Co Div Valve Div |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Flange Face Design | RAISED STRAIGHT FIRST END |
| Bolt Circle Nominal Diameter | 5.875 INCHES ALL ENDS IN |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Material Document and Classification | ASTMSTA000 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Bolt Hole Nominal Diameter | 0.750 INCHES ALL ENDS IN |
| Operating Pressure | 1200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 2.500 INCHES IN |
| Maximum Operating Temp | 1100.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Outside Diameter | 7.500 INCHES ALL ENDS IN |
| Disk Loading Method | WEIGHT |
| Bolt Hole Quantity | 8 ALL ENDS |
| Face to Face Distance | 13.000 INCHES IN |
| Material | STEEL BODY |
| Material | STEEL FLOW CONTROL DEVICE |
| Raised Face Nominal Diameter | 4.125 INCHES ALL ENDS IN |
| Valve Operation Method | AUTOMATIC |
| Raised Face Nominal Height | 0.250 INCHES ALL ENDS IN |
| Nominal Thickness | 1.125 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 |
|---|---|
| 175X 2-1/2IN 600PSI PRIMARY | Crane Co Div Valve Div (USA) |
| Reference | Meaning |
|---|---|
| CS672-U | 5/9 Secondary reference Nibco Inc |
NSN 4820-01-179-9832 is a Valve,check, manufactured by Crane Co Div Valve Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-179-9832 has 1 manufacturer part number on file: 175X 2-1/2IN 600PSI (Crane Co Div Valve Div).
Key specifications for 175X 2-1/2IN 600PSI: Flow Control Device: DISK; Flange Shape: ROUND WITH HOLES ALL ENDS; Flange Face Design: RAISED STRAIGHT FIRST END; Bolt Circle Nominal Diameter: 5.875 INCHES ALL ENDS IN. 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.