NSN 4820-01-439-5733 · NIIN 014395733 · Part number EEP-1P 1/4IN NPT
Ernst Flow Industries Llc Div Ernst Flow Industries · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 16199
Government record, cited
NSN 4820-01-439-5733 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-439-5733. Manufacturer of record part number: EEP-1P 1/4IN NPT.
Nearby stock numbers← 4820-01-439-5673 Regulator, Thermostatic Temperature
·
4820-01-439-5772 Parts Kit, Pressure Regulating VA →
4820-01-439-5733 — Valves, Nonpowered
Features
Cock,drain — FSC 4820
Connection Type: THREADED EXTERNAL PIPE FIRST END
Nominal Thread Size: 0.250 INCHES FIRST END IN
Material: COPPER ALLOY BODY
Thread Series Designator: NPT FIRST END
1 manufacturer part number on file
Manufacturer of record: Ernst Flow Industries Llc Div Ernst Flow Industries
Identification
NSN: 4820-01-439-5733
NIIN: 014395733
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: EEP-1P 1/4IN NPT
Manufacturer: Ernst Flow Industries Llc Div Ernst Flow Industries
General Description
The Cock,drain, cataloged under National Stock Number 4820-01-439-5733, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ernst Flow Industries Llc Div Ernst Flow Industries. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-439-5733
Primary Part Number
EEP-1P 1/4IN NPT
Item Name
Cock,drain
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Ernst Flow Industries Llc Div Ernst Flow Industries
Ernst Flow Industries Llc Div Ernst Flow Industries (USA)
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 4820-01-439-5733?
NSN 4820-01-439-5733 is a Cock,drain, manufactured by Ernst Flow Industries Llc Div Ernst Flow Industries, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-439-5733?
NSN 4820-01-439-5733 has 1 manufacturer part number on file: EEP-1P 1/4IN NPT (Ernst Flow Industries Llc Div Ernst Flow Industries).
What are the specifications of EEP-1P 1/4IN NPT?
Key specifications for EEP-1P 1/4IN NPT: Connection Type: THREADED EXTERNAL PIPE FIRST END; Nominal Thread Size: 0.250 INCHES FIRST END IN; Material: COPPER ALLOY BODY; Thread Series Designator: NPT FIRST END. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-439-5733 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.