The Valve,safety Relief, cataloged under National Stock Number 4820-01-179-2882, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-179-2882 |
| Primary Part Number | 20099C01S0035 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Raised Face Nominal Diameter | 1.688 INCHES ALL ENDS IN |
| Operating Pressure | 275.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Type | EXPOSED SPRING |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Flow Control Device | DISK |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | ANGLE FLANGED ENDS |
| Bolt Hole Nominal Diameter | 0.500 INCHES ALL ENDS IN |
| Nominal Thickness | 0.500 INCHES ALL ENDS IN |
| Adjustable Pressure Range | +35.0 TO 44.0 POUNDS PER SQUARE INCH LBS |
| Valve Size | 0.750 INCHES IN |
| Valve Operation Method | AUTOMATIC |
| First Connection Face to Centerline Distance | 3.250 INCHES IN |
| Material | STEEL COMP 316 STEM |
| Bolt Circle Nominal Diameter | 2.750 INCHES ALL ENDS IN |
| Nominal Outside Diameter | 3.875 INCHES ALL ENDS IN |
| Second Connection Face to Centerline Distance | 3.250 INCHES IN |
| Bolt Hole Quantity | 4 ALL ENDS |
| Material | STEEL BODY |
| Raised Face Nominal Height | 0.062 INCHES ALL ENDS IN |
| Bonnet Attachment Method | BOLTED |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Maximum Operating Temp | 500.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20099 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20099C01S0035 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20099 PART 20099G51SS | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20099C01S0035 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-01-179-2882 is a Valve,safety Relief, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-179-2882 has 4 cross-referenced part numbers: 20099 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20099C01S0035 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20099 PART 20099G51SS (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20099C01S0035 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 12 known substitutes for 4820-01-179-2882: 6615-00-211-2571, 5330-00-599-4453, 2520-00-766-7607 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20099C01S0035: Raised Face Nominal Diameter: 1.688 INCHES ALL ENDS IN; Operating Pressure: 275.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Bonnet Type: EXPOSED SPRING; Flange Shape: ROUND WITH HOLES ALL ENDS. 23 total characteristics are documented in the Federal Logistics Information System.