The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-438-0522, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-438-0522 |
| Primary Part Number | 8941-04 |
| Item Name | Valve,calibrated Flow |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S |
| Status | ACTIVE |
| First End Connection Type | THREADED EXTERNAL TUBE |
| First End Style Designator | FLARED |
| First End Outside Diameter Tube Accommodated | 0.500 INCHES NOMINAL IN |
| Body Style | STRAIGHT THRU |
| First End Thread Direction | RIGHT-HAND |
| Flow Control Device | POPPET |
| Thread Size and Series/type Designator | 3/4-16 UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| First End Thread Class | 3A A |
| Material | STEEL CORROSION RESISTING BODY |
| Valve Discharge Flow Rate | 1.5 GALLONS PER MINUTE |
| Surface Treatment | PASSIVATE OUTSIDE |
| First End Seat Angle in Deg | 37.0 |
| End Connection Quantity | 2 |
| Second End Relationship with First End | IDENTICAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8941-4 | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA) |
| 8941-04 PRIMARY | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA) |
| 6323384-4 | Naval Sea Systems Command (USA) |
| 6323384-20 | Naval Sea Systems Command (USA) |
| 6323384 | Naval Sea Systems Command (USA) |
| Q2360-05-4 | Aerocontrolex Group, Inc. Dba Aero Fluid Products (USA) |
NSN 4820-01-438-0522 is a Valve,calibrated Flow, manufactured by Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-438-0522 has 6 cross-referenced part numbers: 8941-4 (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S), 8941-04 (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S), 6323384-4 (Naval Sea Systems Command), 6323384-20 (Naval Sea Systems Command), 6323384 (Naval Sea Systems Command) and 1 more.
There are 12 known substitutes for 4820-01-438-0522: 3030-00-080-8810, 5815-00-391-9994, 4820-01-320-8263 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8941-04: First End Connection Type: THREADED EXTERNAL TUBE; First End Style Designator: FLARED; First End Outside Diameter Tube Accommodated: 0.500 INCHES NOMINAL IN; Body Style: STRAIGHT THRU. 15 total characteristics are documented in the Federal Logistics Information System.