NSN 4820-01-547-8526 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-547-8526. Manufacturer of record part number: E2E125ZNMK2/TC1125K.
Operating Pressure: 1160.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which Designed: HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
Valve Operation Method: AUTOMATIC
2 manufacturer part numbers on file
Manufacturer of record: Sterling Hydraulics Inc
Identification
NSN: 4820-01-547-8526
NIIN: 015478526
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: E2E125ZNMK2/TC1125K
Manufacturer: Sterling Hydraulics Inc
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-547-8526, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sterling Hydraulics Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-547-8526
Primary Part Number
E2E125ZNMK2/TC1125K
Item Name
Valve,safety Relief
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Sterling Hydraulics Inc
Status
ACTIVE
Flow Control Device
POPPET
Style Designator
SCREW-IN CARTRIDGE
Operating Pressure
1160.0 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 4820-01-547-8526?
NSN 4820-01-547-8526 is a Valve,safety Relief, manufactured by Sterling Hydraulics Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-547-8526?
NSN 4820-01-547-8526 has 2 manufacturer part numbers on file: E2E125ZN/TC1125 (Sterling Hydraulics Inc), E2E125ZNMK2/TC1125K (Sterling Hydraulics Inc).
What are the specifications of E2E125ZNMK2/TC1125K?
Key specifications for E2E125ZNMK2/TC1125K: Flow Control Device: POPPET; Style Designator: SCREW-IN CARTRIDGE; Operating Pressure: 1160.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Special Features: NHA: 4810-01-547-8518, VALVE ASSEMBLY, MANIFOLD. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-547-8526 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.