brand logo Pressure Switch - Hydraulic - Boeing - 176 - S271T452-2


Small lightweight reliable hydraulic pressure switch for aerospace applications

Pressure Switch - Hydraulic - Boeing - 176 - S271T452-2
Primary identity code for a product or service 5903587597577585528S271T452-1S271T452-2S271T452-8

Features

  • Small size, lightweight, (approx 4 oz.), moderate cost
  • Wide pressure range
  • Snap action design
  • Meets MIL-STD-810, MIL-STD-202, RTCA/DO-160
  • Fabricated from stainless steel or aluminum
  • Qualified for commercial and military applications
  • Environmentally sealed
  • Standard soldering; in accordance with ANSI J-STD-001, Class 3
  • Options:
  • Filtered fluid inlet
  • Hermetically sealed electrical contacts
  • - DPDT, SPDT, SPST (N.O. or N.C.)
  • Variety of port fittings, and electrical connectors
  • Higher/Lower temperatures
  • Other soldering standards on request e.g:
  • - NHB5300, MILSTD-454, or MIL-STD-2000A ISO

Description

This Eaton switch is designed to be used in any fluid that is compatible with stainless steel or aluminum. The design incorporates a snap-action electrical microswitch which is actuated by a piston-sensing element.

A snap-action belleville spring system employing a negative rate resists movement until actuation pressure is achieved. The spring then 'snaps' through and microswitch actuation occurs. This process is reversed for deactuation. The snap-action spring design is very reliable and has excellent vibration and shock resistance. A positive-rate bellevelle stack is also available for tighter set-point tolerance.

For use with hydraulic oils and other select fluids.

Suitable for

  • Pump cutoff
  • Timer operations
  • Low or High pressure
  • Miscellaneous hydraulic sensing needs

NOTE Switch image is typical - different body and connectors are used according to the intended end-installation

Product Detail

item
Item type Pressure Switch
Item type variant Hydraulic
identity
Primary identity code for a product or service S271T452-2
Product brand Boeing
Product model 176
Item code/part number S271T452-2
company
United States Commercial And Government Entity code for company manufacturing this product 81205
identity other
Brand of the alternate company for this product Eaton Aerospace
United States Commercial And Government Entity code for alternate company manufacturing this product 2750
Product code of the alternate company 211C223-176
system
Airlines For America Specification 2200 system and sub-system title Hydraulic General
Airlines For America Specification 2200 system and sub-system code 29-00
component easa
Component maintenance rating description Hydraulic
Component maintenance rating code C12
facility
region_trade NAFTA
Sovereign country covered United States
coordinate physical
Continent covered Americas
Geographic location of this facility within the continent North