The Valve,safety Relief, cataloged under National Stock Number 4820-00-359-5676, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Crane Co Div Valve Div. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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 | 4820-00-359-5676 |
| Primary Part Number | 2601-1 1-2-356 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Crane Co Div Valve Div |
| Status | ACTIVE |
| Material | COPPER ALLOY 836 SEAT |
| Flow Control Device | DISK |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Disk Loading Method | SPRING |
| Nominal Pipe Size Accommodated | 1.500 INCHES FIRST END IN |
| Connection Style | PLAIN (PIPE) SECOND END |
| Thread Quantity Per Inch | 11-1/2 FIRST END |
| Thread Series Designator | NPT SECOND END |
| Style Designator | ANGLE |
| Nominal Pipe Size Accommodated | 1.500 INCHES SECOND END IN |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Material Document and Classification | QQ-C-390,ALLOY B5 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Nominal Thread Size | 1.500 INCHES SECOND END IN |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Valve Operation Method | AUTOMATIC |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Thread Series Designator | NPT FIRST END |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Quantity Per Inch | 11-1/2 SECOND END |
| Material | COPPER ALLOY 836 BODY |
| Material | STEEL STEM |
| Connection Style | PLAIN,OPTIONAL END(PIPE) FIRST END |
| Nominal Thread Size | 1.500 INCHES FIRST END IN |
| Opening Pressure Setting | 35.0 POUNDS PER SQUARE INCH LBS |
| Material Document and Classification | QQ-C-390,ALLOY B5 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 940-23 | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| 658-1 1-2-35LB | Lunkenheimer Co (USA) |
| 940-23 | Aqua-Chem Inc Cleaver-Brooks Div (USA) |
| 2601-1 1-2-356 PRIMARY | Crane Co Div Valve Div (USA) |
NSN 4820-00-359-5676 is a Valve,safety Relief, manufactured by Crane Co Div Valve Div, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-359-5676 has 4 cross-referenced part numbers: 940-23 (Aqua-Chem, Inc. Dba Aqua-Chem Inc), 658-1 1-2-35LB (Lunkenheimer Co), 940-23 (Aqua-Chem Inc Cleaver-Brooks Div), 2601-1 1-2-356 (Crane Co Div Valve Div).
There are 6 known substitutes for 4820-00-359-5676: 3020-00-174-5577, 5305-00-312-7870, 5915-00-503-8679 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2601-1 1-2-356: Material: COPPER ALLOY 836 SEAT; Flow Control Device: DISK; Material: COPPER ALLOY FLOW CONTROL DEVICE; Disk Loading Method: SPRING. 26 total characteristics are documented in the Federal Logistics Information System.