#ERU-18A Tachometer Revolutions Per Minute | Engine Instruments

ERU-18A

Electrical Tachometer Indicator

NSN 6620-00-148-7306

DEMIL
Shelf Life
UOM
NIIN
Demil:
DEMIL/MLI
Shelf Life:
N/A
UOM:
1 EA
NIIN:
001487306

Product Features

Indicator case conforms to ms33639; electrical receptacle mates with ms27473e10b35s; includes lighting mask; mount with clamp ms28042-1 or equal; tested in accordance with atp 2291061-0093

Product Technical Spec.

Diameter:
2.000 inches
Length:
7.000 inches
Presentation Type:
Dial
Scale Range:
+0.1/+110.0 percent revolutions per minute single indicator single scale
Individual Marking:
Percent rpm
Electrical Connection Quantity:
1
Electrical Connection Identifying Number:
Ms27478y10d35p
Pointer Type:
Clock-hand single pointer
Accuracy Rating:
100.0 revolutions per minute single indicator single scale
Part Name Assigned By Controlling Agency:
Indicator, electrical tachometer, engine rpm
Dial Outside Diameter:
1.813 inches
Color:
Black background
Fsc Application Data:
Aircraft engine instrument
NSN:
6620-00-148-7306
Item Name:
Tachometer Revolutions Per Minute
Cage Code:
81349

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
3571262-4403
Cage Code:
96774
RNCC:
3
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
3571262-4403
Cage Code:
55972
RNCC:
5
RNVC:
9
RNAAC:
SB
Status:
A
MSDS:
SADC:
Part Number:
68-810063-103
Cage Code:
76301
RNCC:
5
RNVC:
9
RNAAC:
SB
Status:
A
MSDS:
SADC:
Part Number:
2275430
Cage Code:
55972
RNCC:
5
RNVC:
9
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
2275430
Cage Code:
96774
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:

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Pricing & Availability

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Catalog Drilldown
--- Instruments And Laboratory Equipment
------ Engine Instruments
--------- Electrical Tachometer Indicators
------------ P/N ERU-18A

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Last Updated: 08/08/2025