NSN 4820-01-705-8143 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-705-8143. Manufacturer of record part number: H233B-4PP.
Also searched as4820-01-705-8143 ·
4820017058143 ·
NIIN 017058143 ·
01-705-8143 ·
FSC 4820 Valves, Nonpowered · CAGE 0BRJ1 · H233B-4PP
Nominal Pipe Size Accommodated: 0.50 INCHES ALL ENDS IN
Nominal Length: 1.50 INCHES ALL ENDS IN
Operating Pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp: 288.0 CELSIUS SINGLE RESPONSE DEGC
Nominal Outside Diameter: 1.25 INCHES ALL ENDS IN
1 manufacturer part number on file
Identification
NSN: 4820-01-705-8143
NIIN: 017058143
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: H233B-4PP
Manufacturer: Circle Valve Technologies Inc
General Description
The Valve,check, cataloged under National Stock Number 4820-01-705-8143, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Circle Valve Technologies Inc. Government technical data includes 6 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
4820-01-705-8143
Primary Part Number
H233B-4PP
Item Name
Valve,check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Circle Valve Technologies Inc
Status
ACTIVE
Flange Shape
HEXAGON ALL ENDS
Nominal Pipe Size Accommodated
0.50 INCHES ALL ENDS IN
Nominal Length
1.50 INCHES ALL ENDS IN
Operating Pressure
5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
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 4820-01-705-8143?
NSN 4820-01-705-8143 is a Valve,check, manufactured by Circle Valve Technologies Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-705-8143?
NSN 4820-01-705-8143 has 1 manufacturer part number on file: H233B-4PP (Circle Valve Technologies Inc).
What are the specifications of H233B-4PP?
Key specifications for H233B-4PP: Flange Shape: HEXAGON ALL ENDS; Nominal Pipe Size Accommodated: 0.50 INCHES ALL ENDS IN; Nominal Length: 1.50 INCHES ALL ENDS IN; Operating Pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-705-8143 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.