The Valve,safety Relief, cataloged under National Stock Number 4820-01-359-8156, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is W.w. Grainger, Inc. Div Government Sales Division. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-359-8156 |
| Primary Part Number | 1X624 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Thread Series Designator | NPT ALL ENDS |
| Connection Style | PLAIN (PIPE) FIRST END |
| Style Designator | ANGLE |
| Material | COPPER ALLOY BODY |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Connection Style | PLAIN,OPTIONAL END(PIPE) SECOND END |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Flow Control Device | DISK |
| Disk Loading Method | SPRING |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| VRLB 0800 | Pressure and Safety Systems (AUS) |
| 1X624 PRIMARY | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| VRLB0800 | Coffin World Water Systems, Llc Dba Coffin World Water Systems, Llc (USA) |
| 530-1/2 | W.w. Grainger, Inc. Div Government Sales Division (USA) |
NSN 4820-01-359-8156 is a Valve,safety Relief, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-359-8156 has 4 cross-referenced part numbers: VRLB 0800 (Pressure and Safety Systems), 1X624 (W.w. Grainger, Inc. Div Government Sales Division), VRLB0800 (Coffin World Water Systems, Llc Dba Coffin World Water Systems, Llc), 530-1/2 (W.w. Grainger, Inc. Div Government Sales Division).
There are 3 known substitutes for 4820-01-359-8156: 2610-00-555-5743, 5325-01-230-3999, 3040-01-342-8731. Verify interchangeability with system specifications before substitution.
Key specifications for 1X624: Thread Series Designator: NPT ALL ENDS; Connection Style: PLAIN (PIPE) FIRST END; Style Designator: ANGLE; Material: COPPER ALLOY BODY. 12 total characteristics are documented in the Federal Logistics Information System.