The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-438-0480, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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 | 4820-01-438-0480 |
| Primary Part Number | 8941-12 |
| 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 Style Designator | FLARED |
| First End Outside Diameter Tube Accommodated | 0.375 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Body Style | STRAIGHT THRU |
| First End Thread Class | 3A A |
| Second End Relationship with First End | NOT IDENTICAL |
| Second End Thread Direction | RIGHT-HAND |
| Thread Size and Series/type Designator | 9/16-18 UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| End Connection Quantity | 2 |
| Valve Discharge Flow Rate | 1.0 GALLONS PER MINUTE |
| First End Thread Direction | RIGHT-HAND |
| Second End Thread Class | 3A A |
| Second End Connection Type | THREADED EXTERNAL TUBE |
| Second End Style Designator | DOUBLE THREADED SECTION BOSS FITTING GASKET WITH LOCKNUT SEALING |
| Material | STEEL CORROSION RESISTING BODY |
| First End Seat Angle in Deg | 37.0 |
| Second End Outside Diameter Tube Accommodated | 0.375 INCHES NOMINAL IN |
| Second End Seat Angle in Deg | 37.0 |
| Flow Control Device | POPPET |
| Surface Treatment | PASSIVATE OUTSIDE |
| Thread Size and Series/type Designator | 9/16-18 UNIFIED NATIONAL JOINT FINE (UNJF) MODIFIED SECOND END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8941-12 PRIMARY | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA) |
| Q2360-05-12 | Aerocontrolex Group, Inc. Dba Aero Fluid Products (USA) |
| 6323384 | Naval Sea Systems Command (USA) |
| 6323384-12 | Naval Sea Systems Command (USA) |
NSN 4820-01-438-0480 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 4820-01-438-0480 has 4 cross-referenced part numbers: 8941-12 (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S), Q2360-05-12 (Aerocontrolex Group, Inc. Dba Aero Fluid Products), 6323384 (Naval Sea Systems Command), 6323384-12 (Naval Sea Systems Command).
There are 12 known substitutes for 4820-01-438-0480: 4820-01-320-8263, 4820-01-322-4032, 4820-01-438-0401 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8941-12: First End Style Designator: FLARED; First End Outside Diameter Tube Accommodated: 0.375 INCHES NOMINAL IN; First End Connection Type: THREADED EXTERNAL TUBE; Body Style: STRAIGHT THRU. 22 total characteristics are documented in the Federal Logistics Information System.