The Valve,safety Relief, cataloged under National Stock Number 4820-01-131-0229, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-131-0229 |
| Primary Part Number | 20138C51SS CDS A15750 |
| 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 | CANCELLED |
| Flow Control Device | DISK |
| Bonnet Type | EXPOSED SPRING |
| Material | STEEL COMP 304 SEAT |
| Connection Type | FLANGE ALL ENDS |
| Material Document and Classification | ASTM A276,TYPE 304 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material | STEEL COMP 304 FLOW CONTROL DEVICE |
| Valve Size | 0.500 INCHES IN |
| Valve Operation Method | AUTOMATIC |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material Document and Classification | ASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Adjustable Pressure Range | +15.0 TO 19.0 POUNDS PER SQUARE INCH LBS |
| Bonnet Attachment Method | BOLTED |
| Material Document and Classification | ASTM A276,TYPE 304 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Operating Pressure | 275.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | STEEL COMP 304 STEM |
| First Connection Face to Centerline Distance | 3.250 INCHES IN |
| Material | STEEL BODY |
| Material Document and Classification | ASTM A276,TYPE 304 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Nominal Thickness | 0.376 INCHES ALL ENDS IN |
| Second Connection Face to Centerline Distance | 3.250 INCHES IN |
| Style Designator | ANGLE FLANGED ENDS |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Raised Face Nominal Diameter | 1.375 INCHES ALL ENDS IN |
| Nominal Outside Diameter | 3.500 INCHES ALL ENDS IN |
| Raised Face Nominal Height | 0.062 INCHES ALL ENDS IN |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Flange Shape | ROUND ALL ENDS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20183LM41M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20385A01E0005 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20385A01E0015 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20138C51SS | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20385A01E0005 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20138C51SS CDS A15750 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 20138C51 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20183 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20183LM41M | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 2013802S0015 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 2038501E0015 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20138 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20385A01E0015 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-01-131-0229 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: cancelled.
NSN 4820-01-131-0229 has 13 cross-referenced part numbers: 20183LM41M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20385A01E0005 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20385A01E0015 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20138C51SS (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20385A01E0005 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team) and 8 more.
There are 12 known substitutes for 4820-01-131-0229: 5133-00-228-1385, 5133-00-232-8161, 1650-00-364-6522 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20138C51SS CDS A15750: Flow Control Device: DISK; Bonnet Type: EXPOSED SPRING; Material: STEEL COMP 304 SEAT; Connection Type: FLANGE ALL ENDS. 28 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-131-0229 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.