NSN 4820-01-259-2206 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-259-2206. Manufacturer of record part number: 52156N1.
Also searched as4820-01-259-2206 ·
4820012592206 ·
NIIN 012592206 ·
01-259-2206 ·
FSC 4820 Valves, Nonpowered · CAGE 77842 · 52156N1
Nominal Pipe Size Accommodated: 0.250 INCHES ALL ENDS IN
Connection Style: SOCKET WITH BRAZING RING (PIPE) ALL ENDS
Mounting Position: HORIZONTAL OR VERTICAL
Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
Style Designator: STRAIGHT THRU
Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which Designed: HYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE
Identification
NSN: 4820-01-259-2206
NIIN: 012592206
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 52156N1
Manufacturer: Eaton Corporation Dba Eaton Inoac Div Eaton
General Description
The Valve,check, cataloged under National Stock Number 4820-01-259-2206, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eaton Corporation Dba Eaton Inoac Div Eaton. Government technical data includes 8 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
4820-01-259-2206
Primary Part Number
52156N1
Item Name
Valve,check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Eaton Corporation Dba Eaton Inoac Div Eaton
Status
ACTIVE
Nominal Pipe Size Accommodated
0.250 INCHES ALL ENDS IN
Connection Style
SOCKET WITH BRAZING RING (PIPE) ALL ENDS
Mounting Position
HORIZONTAL OR VERTICAL
Connection Type
UNTHREADED INTERNAL PIPE ALL ENDS
Style Designator
STRAIGHT THRU
Operating Pressure
3000.0 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 4820-01-259-2206?
NSN 4820-01-259-2206 is a Valve,check, manufactured by Eaton Corporation Dba Eaton Inoac Div Eaton, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-259-2206?
NSN 4820-01-259-2206 has 1 manufacturer part number on file: 52156N1 (Eaton Corporation Dba Eaton Inoac Div Eaton).
What are the specifications of 52156N1?
Key specifications for 52156N1: Nominal Pipe Size Accommodated: 0.250 INCHES ALL ENDS IN; Connection Style: SOCKET WITH BRAZING RING (PIPE) ALL ENDS; Mounting Position: HORIZONTAL OR VERTICAL; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-259-2206 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.