NSN 4820-01-526-9266 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-526-9266. Manufacturer of record part number: 4810K33.
Also searched as4820-01-526-9266 ·
4820015269266 ·
NIIN 015269266 ·
01-526-9266 ·
FSC 4820 Valves, Nonpowered · CAGE 2V507 · 4810K33
Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp: 190.0 FAHRENHEIT SINGLE RESPONSE DEGF
1 manufacturer part number on file
Manufacturer of record: Mcmaster-Carr Supply Company
Identification
NSN: 4820-01-526-9266
NIIN: 015269266
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 4810K33
Manufacturer: Mcmaster-Carr Supply Company
General Description
The Valve,check, cataloged under National Stock Number 4820-01-526-9266, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mcmaster-Carr Supply Company. Government technical data includes 3 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
4820-01-526-9266
Primary Part Number
4810K33
Item Name
Valve,check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Mcmaster-Carr Supply Company
Status
ACTIVE
Style Designator
STRAIGHT THRU
Operating Pressure
150.0 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 4820-01-526-9266?
NSN 4820-01-526-9266 is a Valve,check, manufactured by Mcmaster-Carr Supply Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-526-9266?
NSN 4820-01-526-9266 has 1 manufacturer part number on file: 4810K33 (Mcmaster-Carr Supply Company).
What are the specifications of 4810K33?
Key specifications for 4810K33: Style Designator: STRAIGHT THRU; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Maximum Operating Temp: 190.0 FAHRENHEIT SINGLE RESPONSE DEGF; Special Features: MATERIAL - CPVC; PIPE SIZE - 1.000 INCH; OVERALL LENGTH - 5.250 INCH; CV FACTOR - 28; CONNECTIONS - NPT FEMALE AND SOCKET-WELD CONNECTIONS IN. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-526-9266 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.