#7774A Head Assembly Tachometer | Engine Instruments

7774A

Electrical Tachometer Indicator

NSN 6620-00-980-8040

DEMIL
Shelf Life
UOM
NIIN
Demil:
DEMIL/MLI
Shelf Life:
UOM:
NIIN:
009808040

Product Features

4 seperate tapes on dial

Technical Specifications of NSN

End Application:
Part of a/a24j-11; c-141 acft
Presentation Type:
Drum dial
Scale Range:
+0.1/+110.0 percent revolutions per minute all indicators all scales
Individual Marking:
Rpm percent x10
Electrical Connection Quantity:
1
Electrical Connection Identifying Number:
140916-01
Part Name Assigned By Controlling Agency:
Indicator, electric tach erk-9/a24j-11
Supplementary Features:
Tech order 5e6-2-39-14
NSN:
6620-00-980-8040
Item Name:
Head Assembly Tachometer
Cage Code:
35351

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
ERK-9/A24J-11
Cage Code:
80058
RNCC:
5
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
140510-01-02
Cage Code:
35351
RNCC:
3
RNVC:
2
RNAAC:
SX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Instruments And Laboratory Equipment
------ Engine Instruments
--------- Tachometer Revolutions Per Minutes
------------ P/N 7774A

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Last Updated: 08/15/2025