The Valve,safety Relief, cataloged under National Stock Number 4820-00-901-1946, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Imi Cash Valve Inc. Government technical data includes 14 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-901-1946 |
| Primary Part Number | 07420-0200 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Imi Cash Valve Inc |
| Status | ACTIVE |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Thread Direction | RIGHT-HAND FIRST END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Adjustable Pressure Range | +20.0 TO 200.0 POUNDS PER SQUARE INCH LBS |
| Thread Series Designator | NPT SECOND END |
| Valve Operation Method | AUTOMATIC |
| Material | COPPER ALLOY BODY |
| Flow Control Device | DISK |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Connection Style | PLAIN (PIPE) FIRST END |
| Style Designator | ANGLE |
| Thread Series Designator | NPT FIRST END |
| Thread Direction | RIGHT-HAND SECOND END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C5-59-321 | Edgewood Chemical Biological Center Ecbc (USA) |
| 07420-0200 PRIMARY | Imi Cash Valve Inc (USA) |
| 4278 | Imi Cash Valve Inc (USA) |
NSN 4820-00-901-1946 is a Valve,safety Relief, manufactured by Imi Cash Valve Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-901-1946 has 3 cross-referenced part numbers: C5-59-321 (Edgewood Chemical Biological Center Ecbc), 07420-0200 (Imi Cash Valve Inc), 4278 (Imi Cash Valve Inc).
There are 10 known substitutes for 4820-00-901-1946: 3110-00-008-2413, 2040-00-183-5930, 5330-00-253-1092 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 07420-0200: Media for Which Designed: WATER, FRESH SINGLE RESPONSE; Thread Direction: RIGHT-HAND FIRST END; Connection Type: THREADED EXTERNAL PIPE FIRST END; Adjustable Pressure Range: +20.0 TO 200.0 POUNDS PER SQUARE INCH LBS. 14 total characteristics are documented in the Federal Logistics Information System.