The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-325-1452, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Matheson Gas Products Inc Dba (foreign Parent Is Nippon Sanso Corporation, Tokyo, Japan). Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-325-1452 |
| Primary Part Number | 81-DF-540 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Matheson Gas Products Inc Dba (foreign Parent Is Nippon Sanso Corporation, Tokyo, Japan) |
| Status | ACTIVE |
| Material | COPPER ALLOY BODY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 516-6295520-IT2 | Naval Sea Systems Command (USA) |
| CGA540 | Matheson Gas Products Inc Dba (foreign Parent Is Nippon Sanso Corporation, Tokyo, Japan) (USA) |
| 8-DF-02 | Matheson Gas Products Inc Dba (foreign Parent Is Nippon Sanso Corporation, Tokyo, Japan) (USA) |
| MODEL 8DF-540W/ | Matheson Co Div of G D Searle Medical Products (USA) |
| 81-DF-540 PRIMARY | Matheson Gas Products Inc Dba (foreign Parent Is Nippon Sanso Corporation, Tokyo, Japan) (USA) |
| CGA-540-OXY | Mcnaughton Dynamics Limited (GBR) |
| 516-6295520-2 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
NSN 4820-01-325-1452 is a Valve,regulating,fluid Pressure, manufactured by Matheson Gas Products Inc Dba (foreign Parent Is Nippon Sanso Corporation, Tokyo, Japan), classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-325-1452 has 7 cross-referenced part numbers: 516-6295520-IT2 (Naval Sea Systems Command), CGA540 (Matheson Gas Products Inc Dba (foreign Parent Is Nippon Sanso Corporation, Tokyo, Japan)), 8-DF-02 (Matheson Gas Products Inc Dba (foreign Parent Is Nippon Sanso Corporation, Tokyo, Japan)), MODEL 8DF-540W/ (Matheson Co Div of G D Searle Medical Products), 81-DF-540 (Matheson Gas Products Inc Dba (foreign Parent Is Nippon Sanso Corporation, Tokyo, Japan)) and 2 more.
There are 2 known substitutes for 4820-01-325-1452: 4730-00-200-3896, 4730-01-109-8102. Verify interchangeability with system specifications before substitution.
Key specifications for 81-DF-540: Material: COPPER ALLOY BODY; End Item Identification: DECK SHELTER PORTABLE CALIBRATION KIT FOR PARTIAL O2 AND CO2 MONITORS; Special Features: WITH FLOWMETER. 3 total characteristics are documented in the Federal Logistics Information System.