The Valve,safety Relief, cataloged under National Stock Number 4820-00-871-7391, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-871-7391 |
| Primary Part Number | 213569 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse |
| Status | ACTIVE |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Nondefinitive Spec/std Data | A1 TYPE AND C CLASS |
| Renewable Seat Ring Type | THREADED |
| Disk Loading Method | SPRING |
| Bonnet Attachment Method | THREADED |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Furnished Items and Quantity | 2 NUT |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Operating Pressure | 3600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Operation Method | MANUAL |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY PAC CQCY |
| Material | NICKEL ALLOY SEAT |
| Style Designator | ANGLE |
| Bonnet Type | INSIDE SPRING |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Material | NICKEL ALLOY STEM |
| Flow Control Device | DISK |
| Connection Style | SOCKET WITH BRAZING RING ALL ENDS |
| Adjustable Pressure Range | +2301.0 TO 3600.0 POUNDS PER SQUARE INCH LBS |
| Nominal Pipe Size Accommodated | 0.500 INCHES ALL ENDS IN |
| Material | COPPER ALLOY 922 BODY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-871-7391 is a Valve,safety Relief, manufactured by Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-871-7391 has 2 cross-referenced part numbers: 213569 (Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse), MILV20065 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 2 known substitutes for 4820-00-871-7391: 5985-00-093-0997, 4820-01-200-2605. Verify interchangeability with system specifications before substitution.
Key specifications for 213569: Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Nondefinitive Spec/std Data: A1 TYPE AND C CLASS; Renewable Seat Ring Type: THREADED; Disk Loading Method: SPRING. 22 total characteristics are documented in the Federal Logistics Information System.