Maximum Operating Temp and Media for Which Designed: 180.0 FAHRENHEIT AIR DEGF
Operating Pressure and Type: 100.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS
Connection Type: THREADED INTERNAL PIPE
End Connection Quantity: 3
Valve Size: 0.125 INCHES IN
Nominal Thread Size: 0.125 INCHES IN
Body Material: ALUMINUM OR STEEL CORROSION RESISTING
Identification
NSN: 4820-01-339-8021
NIIN: 013398021
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
General Description
The Valve,flow Control, cataloged under National Stock Number 4820-01-339-8021, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-339-8021
Item Name
Valve,flow Control
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Maximum Operating Temp and Media for Which Designed
180.0 FAHRENHEIT AIR DEGF
Operating Pressure and Type
100.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS
Connection Type
THREADED INTERNAL PIPE
End Connection Quantity
3
Valve Size
0.125 INCHES IN
Nominal Thread Size
0.125 INCHES IN
Body Material
ALUMINUM OR STEEL CORROSION RESISTING
Thread Series Designator
NPT
Valve Operation Method
AUTOMATIC
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
2021
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-339-8021?
NSN 4820-01-339-8021 is a Valve,flow Control, classified under FSC 4820, Valves, Nonpowered. Status: active.
What are the specifications of 4820-01-339-8021?
Key specifications for 4820-01-339-8021: Maximum Operating Temp and Media for Which Designed: 180.0 FAHRENHEIT AIR DEGF; Operating Pressure and Type: 100.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS; Connection Type: THREADED INTERNAL PIPE; End Connection Quantity: 3. 9 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-339-8021 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.