Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S · NSN 4820-01-438-0491 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-438-0491 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-438-0491. Primary manufacturer part number: 8941-03.
4820-01-438-0491 — No Item Name Available illustration
Features
Valve,calibrated Flow — FSC 4820
Body Style: STRAIGHT THRU
First End Connection Type: THREADED EXTERNAL BOSS
First End Outside Diameter Tube Accommodated: 0.500 INCHES NOMINAL IN
First End Style Designator: FLARED
First End Thread Class: 3A A
Second End Thread Class: 3A A
End Connection Quantity: 2
Applications
Flow control in piping systems
Pressure regulation
Steam and fluid isolation
Applications requiring Steel Corrosion Resisting Body construction
General Description
The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-438-0491, 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 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-438-0491
Primary Part Number
8941-03
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
Body Style
STRAIGHT THRU
First End Connection Type
THREADED EXTERNAL BOSS
First End Outside Diameter Tube Accommodated
0.500 INCHES NOMINAL IN
First End Style Designator
FLARED
First End Thread Class
3A A
Second End Thread Class
3A A
End Connection Quantity
2
Material
STEEL CORROSION RESISTING BODY
Surface Treatment
PASSIVATE OUTSIDE
Thread Size and Series/type Designator
3/4-16 UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
Second End Thread Direction
RIGHT-HAND
Second End Relationship with First End
NOT IDENTICAL
Valve Discharge Flow Rate
1.5 GALLONS PER MINUTE
First End Thread Direction
RIGHT-HAND
Flow Control Device
POPPET
Second End Outside Diameter Tube Accommodated
0.375 INCHES NOMINAL IN
Second End Style Designator
FLARED
Second End Connection Type
THREADED EXTERNAL BOSS
First End Seat Angle in Deg
37.0
Second End Seat Angle in Deg
37.0
Thread Size and Series/type Designator
9/16-18 UNIFIED NATIONAL JOINT FINE (UNJF) MODIFIED SECOND END
NSN 4820-01-438-0491 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.
What are the part numbers for NSN 4820-01-438-0491?
NSN 4820-01-438-0491 has 4 cross-referenced part numbers: 8941-3 (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S), 6323384 (Naval Sea Systems Command), 8941-03 (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S), 6323384-3 (Naval Sea Systems Command).
What NSN replaces 4820-01-438-0491?
There are 12 known substitutes for 4820-01-438-0491: 4730-01-212-0667, 4820-01-320-8263, 4820-01-322-4032 and 9 more. Verify interchangeability with system specifications before substitution.
What are the specifications of 8941-03?
Key specifications for 8941-03: Body Style: STRAIGHT THRU; First End Connection Type: THREADED EXTERNAL BOSS; First End Outside Diameter Tube Accommodated: 0.500 INCHES NOMINAL IN; First End Style Designator: FLARED. 22 total characteristics are documented in the Federal Logistics Information System.
✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.