PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

UM3-01MValve,safety Relief

Eaton Corporation Div Eaton Fluid Power · NSN 4820-00-319-5561 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-319-5561 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-319-5561. Primary manufacturer part number: UM3-01M.
Features
  • Valve,safety Relief — FSC 4820
  • Flow Control Device: SPOOL
  • Valve Operation Method: HYDRAULIC
  • 3 verified cross-references
  • Primary manufacturer: Eaton Corporation Div Eaton Fluid Power
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-00-319-5561, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Corporation Div Eaton Fluid Power. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-319-5561
Primary Part NumberUM3-01M
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Corporation Div Eaton Fluid Power
StatusACTIVE
Flow Control DeviceSPOOL
Valve Operation MethodHYDRAULIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6625-00-706-1018 INTERCHANGEABLE
Voltmeter
5935-00-833-0625 INTERCHANGEABLE
Cover,electrical Connector
5950-00-947-8486SMB527561 INTERCHANGEABLE
Transformer,audio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4320-01-184-049170509 INTERCHANGEABLE
Tilting Box,pump
Eaton Aerospace, Llc Dba Jackson South
4320-01-250-401970509 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
Eaton Corporation Dba Eaton Inoac Div Eaton
5305-01-258-461070509 INTERCHANGEABLE
Screw,assembled Washer
Ingersoll-Rand Co Material Handling Div
Cross-Reference Index
Part NumberManufacturer
UM3-01M PRIMARY Eaton Corporation Div Eaton Fluid Power (USA)
VM-51 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
70509 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
Related Parts
6625-00-706-1018INTERCHANGEABLE
VOLTMETER
5935-00-833-0625INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
5950-00-947-8486INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
SMB527561
4320-01-184-0491INTERCHANGEABLE
TILTING BOX,PUMP
70509
4320-01-250-4019INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
70509
5305-01-258-4610INTERCHANGEABLE
SCREW,ASSEMBLED WASHER
70509

Frequently Asked Questions

What is NSN 4820-00-319-5561?

NSN 4820-00-319-5561 is a Valve,safety Relief, manufactured by Eaton Corporation Div Eaton Fluid Power, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-319-5561?

NSN 4820-00-319-5561 has 3 cross-referenced part numbers: UM3-01M (Eaton Corporation Div Eaton Fluid Power), VM-51 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.), 70509 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.).

What NSN replaces 4820-00-319-5561?

There are 6 known substitutes for 4820-00-319-5561: 6625-00-706-1018, 5935-00-833-0625, 5950-00-947-8486 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of UM3-01M?

Key specifications for UM3-01M: Flow Control Device: SPOOL; Valve Operation Method: HYDRAULIC. 2 total characteristics are documented in the Federal Logistics Information System.

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