The Valve,safety Relief, cataloged under National Stock Number 4820-01-354-2562, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-354-2562 |
| Primary Part Number | R10AL2L204-BM1 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Connection Type | FLANGE ALL ENDS |
| Material Document and Classification | ASTMB61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Material | STEEL COMP 303 STEM |
| Material | NICKEL ALLOY SEAT |
| Maximum Operating Temp | 200.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Nominal Thickness | 0.500 INCHES ALL ENDS IN |
| Media for Which Designed | LIQUID SINGLE RESPONSE |
| Flange Face Design | PLAIN ALL ENDS |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING |
| Second Connection Face to Centerline Distance | 5.750 INCHES IN |
| Valve Operation Method | AUTOMATIC |
| Material Document and Classification | ASTMA582 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Style Designator | ANGLE FLANGED ENDS |
| Operating Pressure | 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Bolt Hole Quantity | 8 ALL ENDS |
| Valve Size | 3.000 INCHES IN |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Maximum Operating Temp | 150.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Bolt Circle Nominal Diameter | 5.500 INCHES ALL ENDS IN |
| Material Document and Classification | QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Bolt Hole Nominal Diameter | 0.562 INCHES ALL ENDS IN |
| Material Document and Classification | QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Nominal Outside Diameter | 6.625 INCHES ALL ENDS IN |
| Adjustable Pressure Range | +12.0 TO 15.0 POUNDS PER SQUARE INCH LBS |
| First Connection Face to Centerline Distance | 5.750 INCHES IN |
| Material | COPPER ALLOY BODY |
| Disk Loading Method | SPRING |
| Flow Control Device | DISK |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| R10AL2L204-BM1 | Hunt Valve Company Inc Dba Union Flonetics (USA) |
| R10AL2L204-BM1 PRIMARY | Hunt Valve Company, Inc. (USA) |
| D50128 | Hunt Valve Company Inc Dba Union Flonetics (USA) |
NSN 4820-01-354-2562 is a Valve,safety Relief, manufactured by Hunt Valve Company, Inc., classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-354-2562 has 3 cross-referenced part numbers: R10AL2L204-BM1 (Hunt Valve Company Inc Dba Union Flonetics), R10AL2L204-BM1 (Hunt Valve Company, Inc.), D50128 (Hunt Valve Company Inc Dba Union Flonetics).
There are 6 known substitutes for 4820-01-354-2562: 4820-01-180-0849, 4820-01-248-6252, 4820-01-440-4478 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for R10AL2L204-BM1: Connection Type: FLANGE ALL ENDS; Material Document and Classification: ASTMB61 ASSN STD SINGLE MATERIAL RESPONSE BODY; Material: NICKEL ALLOY FLOW CONTROL DEVICE; Material: STEEL COMP 303 STEM. 30 total characteristics are documented in the Federal Logistics Information System.