PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M-1145Valve,safety Relief

Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division · NSN 4820-01-147-2819 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-147-2819 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-147-2819. Primary manufacturer part number: M-1145.
Features
  • Valve,safety Relief — FSC 4820
  • 5 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-147-2819, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division. This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,safety Relief
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersParker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (CAGE 09990); Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division (CAGE 02249); Tennant Company (CAGE 59500)
Technical Specifications
ParameterValue
NSN4820-01-147-2819
Primary Part NumberM-1145
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6145-00-127-97638767 INTERCHANGEABLE
Wire,electrical
General Wire Products, Inc. Dba General Wire Products Inc
5920-00-131-9972 INTERCHANGEABLE
Fuse,plug
3040-00-353-937267515 INTERCHANGEABLE
Shaft,shouldered
Cummins Inc.
4310-01-029-7570 INTERCHANGEABLE
Compressor Unit,reciprocating
6240-01-094-2279LU100/D INTERCHANGEABLE
Lamp,sodium
Gte Products Corp Sylvania Miniature Lighting Div
5330-01-125-626367515 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5999-01-382-130767515 INTERCHANGEABLE
Keyboard,data Entry
Orbit International Corp. Div Orbit Instrument
6150-01-641-8230M1145 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Mc Products Inc
Cross-Reference Index
Part NumberManufacturer
1211-7270-021 Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA)
M-1145 Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division (USA)
M-1145 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA)
67515 Tennant Company (USA)
1211-7270-021 Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division (USA)
Related Parts
6145-00-127-9763INTERCHANGEABLE
WIRE,ELECTRICAL
8767
5920-00-131-9972INTERCHANGEABLE
FUSE,PLUG
3040-00-353-9372INTERCHANGEABLE
SHAFT,SHOULDERED
67515
4310-01-029-7570INTERCHANGEABLE
COMPRESSOR UNIT,RECIPROCATING
6240-01-094-2279INTERCHANGEABLE
LAMP,SODIUM
LU100/D
5330-01-125-6263INTERCHANGEABLE
SEAL,PLAIN ENCASED
67515
5999-01-382-1307INTERCHANGEABLE
KEYBOARD,DATA ENTRY
67515
6150-01-641-8230INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
M1145

Frequently Asked Questions

What is NSN 4820-01-147-2819?

NSN 4820-01-147-2819 is a Valve,safety Relief, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-147-2819?

NSN 4820-01-147-2819 has 5 cross-referenced part numbers: 1211-7270-021 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), M-1145 (Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division), M-1145 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), 67515 (Tennant Company), 1211-7270-021 (Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division).

What NSN replaces 4820-01-147-2819?

There are 8 known substitutes for 4820-01-147-2819: 6145-00-127-9763, 5920-00-131-9972, 3040-00-353-9372 and 5 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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