#MIL-I-25623 Propeller Revolution Totalizing Counter | Engine Instruments

MIL-I-25623

Electrical Tachometer Indicator

NSN 6620-01-322-7678

DEMIL
Shelf Life
UOM
NIIN
Demil:
DEMIL/MLI
Shelf Life:
N/A
UOM:
1 EA
NIIN:
013227678

Product Features

Indicator includes subdial scale with range 0 to 10% rpm; the major scale has range 0 to 100% rpm; total scale range of indicator 0 to 110% rpm; hermetically sealed case per ms33639; tach designed for use with a two pole tach generator conforming to mil-g-9398; weight approximately 1 lb; dial is screened with 100 percent at 9 o'clock; dull black background per fed-std-595

Technical Specifications of NSN

Diameter:
2.000 inches
Length:
5.000 inches
Current Type:
Ac
Contact Quantity:
3
End Application:
Kc-135e, b52 and c-130 acft
Contact Type:
Pin
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:
Ms33678-10sl-3p
Pointer Type:
Indicating single pointer
Part Name Assigned By Controlling Agency:
Tachometer
Supplementary Features:
Tech order 1c-13 (k) -4 fig 584
NSN:
6620-01-322-7678
Item Name:
Totalizing Counter,propeller Revolution
Cage Code:
81349

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
MU-1
Cage Code:
81349
RNCC:
5
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
100-0034-29
Cage Code:
08AF1
RNCC:
3
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
100-0034-29
Cage Code:
06275
RNCC:
5
RNVC:
9
RNAAC:
MF
Status:
A
MSDS:
SADC:
Part Number:
RCA41A-07
Cage Code:
06275
RNCC:
D
RNVC:
9
RNAAC:
MF
Status:
A
MSDS:
SADC:
Part Number:
RCA41A-07
Cage Code:
08AF1
RNCC:
5
RNVC:
9
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
RCA41A-07
Cage Code:
06275
RNCC:
D
RNVC:
9
RNAAC:
MF
Status:
R
MSDS:
SADC:
Part Number:
MU-1
Cage Code:
81349
RNCC:
5
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
100-0034-29
Cage Code:
08AF1
RNCC:
3
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
100-0034-29
Cage Code:
06275
RNCC:
5
RNVC:
9
RNAAC:
MF
Status:
R
MSDS:
SADC:
Part Number:
RCA41A-07
Cage Code:
08AF1
RNCC:
5
RNVC:
9
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
RCA41A-07
Cage Code:
06275
RNCC:
D
RNVC:
9
RNAAC:
MF
Status:
R
MSDS:
SADC:

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Catalog Drilldown
--- Instruments And Laboratory Equipment
------ Engine Instruments
--------- Electrical Tachometer Indicators
------------ P/N MIL-I-25623

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Last Updated: 07/27/2025