PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DHValve,safety Relief

Power Steering Specialists, Inc · NSN 4820-01-271-6918 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-271-6918 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-271-6918. Primary manufacturer part number: DH.
Features
  • Valve,safety Relief — FSC 4820
  • 9 verified cross-references
  • Primary manufacturer: Power Steering Specialists, Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-271-6918, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Power Steering Specialists, Inc. This item has 9 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 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)
ManufacturersEaton Corp Fluid Power Opns Marshall Div (CAGE 19954); Power Steering Specialists, Inc (CAGE 1DB47); Dana Automotive Ltd (CAGE K5667); Harsco Corporation Dba B M Y Wyne Wheled Vehicles Div (CAGE 47457)
Technical Specifications
ParameterValue
NSN4820-01-271-6918
Primary Part NumberDH
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPower Steering Specialists, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-231-9774 INTERCHANGEABLE
Switch,rotary
5930-00-232-615821223 INTERCHANGEABLE
Switch,rotary
Raytheon Company Dba Raytheon
5930-00-251-3259 INTERCHANGEABLE
Switch,rotary
5930-00-308-42608151281 INTERCHANGEABLE
Switch,rotary
Us Army Aviation and Missile Command
5930-00-351-717660-414 INTERCHANGEABLE
Switch,rotary
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5930-00-351-717760-416 INTERCHANGEABLE
Switch,rotary
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5930-00-548-3338KS1302LIST1 INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
5930-00-548-644846479DH3 INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
5930-00-601-0367 INTERCHANGEABLE
Switch,rotary
5930-00-721-1383 INTERCHANGEABLE
Switch,rotary
Cross-Reference Index
Part NumberManufacturer
ERS-27856-150 Eaton Corp Fluid Power Opns Marshall Div (USA)
DH PRIMARY Power Steering Specialists, Inc (USA)
ER-27856-150 Power Steering Specialists, Inc (USA)
ER-27856-150 Dana Automotive Ltd (GBR)
ER-27856 Eaton Corp Fluid Power Opns Marshall Div (USA)
20510093-19Z Harsco Corporation Dba B M Y Wyne Wheled Vehicles Div (USA)
20510093 Harsco Corporation Dba B M Y Wyne Wheled Vehicles Div (USA)
DH Dana Automotive Ltd (GBR)
ER-27856-150 Eaton Corp Fluid Power Opns Marshall Div (USA)
Related Parts
5930-00-231-9774INTERCHANGEABLE
SWITCH,ROTARY
5930-00-232-6158INTERCHANGEABLE
SWITCH,ROTARY
21223
5930-00-251-3259INTERCHANGEABLE
SWITCH,ROTARY
5930-00-308-4260INTERCHANGEABLE
SWITCH,ROTARY
8151281
5930-00-351-7176INTERCHANGEABLE
SWITCH,ROTARY
60-414
5930-00-351-7177INTERCHANGEABLE
SWITCH,ROTARY
60-416
5930-00-548-3338INTERCHANGEABLE
SWITCH,ROTARY
KS1302LIST1
5930-00-548-6448INTERCHANGEABLE
SWITCH,ROTARY
46479DH3
5930-00-601-0367INTERCHANGEABLE
SWITCH,ROTARY
5930-00-721-1383INTERCHANGEABLE
SWITCH,ROTARY
5930-00-721-1384INTERCHANGEABLE
SWITCH,ROTARY
3040-01-271-3649INTERCHANGEABLE
SHAFT,SHOULDERED
ERS-62638

Frequently Asked Questions

What is NSN 4820-01-271-6918?

NSN 4820-01-271-6918 is a Valve,safety Relief, manufactured by Power Steering Specialists, Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-271-6918?

NSN 4820-01-271-6918 has 9 cross-referenced part numbers: ERS-27856-150 (Eaton Corp Fluid Power Opns Marshall Div), DH (Power Steering Specialists, Inc), ER-27856-150 (Power Steering Specialists, Inc), ER-27856-150 (Dana Automotive Ltd), ER-27856 (Eaton Corp Fluid Power Opns Marshall Div) and 4 more.

What NSN replaces 4820-01-271-6918?

There are 12 known substitutes for 4820-01-271-6918: 5930-00-231-9774, 5930-00-232-6158, 5930-00-251-3259 and 9 more. Verify interchangeability with system specifications before substitution.

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