The Valve,check, cataloged under National Stock Number 4820-01-147-5395, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Kepner Products Co Div Kepner Products Company. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 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 | 4820-01-147-5395 |
| Primary Part Number | 410B-1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Kepner Products Co Div Kepner Products Company |
| Status | CANCELLED |
| Maximum Operating Temp | 300.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Media for Which Designed | WATER, FRESH THIRD RESPONSE |
| Media for Which Designed | FUEL/OIL, HYDROCARBON FIRST RESPONSE |
| Valve Operation Method | AUTOMATIC |
| Media for Which Designed | AIR SECOND RESPONSE |
| Flow Control Device | DISK |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Material | COPPER ALLOY OVERALL |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Thread Series Designator | NPT ALL ENDS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7419-037N1-28 | Industrial Acoustics Company, Inc. Dba I a C Div Iac Acoustics (USA) |
| 483-1/2B1-2 | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| 2-2260-3 | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
| 483 | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
| 259B4PP | Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA) |
| 1280679 | Naval Ship Systems Command (USA) |
| 410B-1 PRIMARY | Kepner Products Co Div Kepner Products Company (USA) |
| 483-1/2B1-2 | Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA) |
NSN 4820-01-147-5395 is a Valve,check, manufactured by Kepner Products Co Div Kepner Products Company, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-147-5395 has 8 cross-referenced part numbers: 7419-037N1-28 (Industrial Acoustics Company, Inc. Dba I a C Div Iac Acoustics), 483-1/2B1-2 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), 2-2260-3 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), 483 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), 259B4PP (Circor Aerospace, Inc. Dba Circor Aerospace Inc) and 3 more.
There are 12 known substitutes for 4820-01-147-5395: 6515-00-051-1952, 3110-00-100-0259, 5325-00-146-2118 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 410B-1: Maximum Operating Temp: 300.0 FAHRENHEIT SINGLE RESPONSE DEGF; Nominal Thread Size: 0.500 INCHES ALL ENDS IN; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Media for Which Designed: WATER, FRESH THIRD RESPONSE. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-147-5395 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.