EFU-521

Liquid Quantity Indicator

NSN 6680-01-370-0963

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
013700963

Product Features

Mounting 1 inch wide clamp; power 28 vdc, 9 watts and 0-5 vac (variable), 7 watts, 400 hz; incorporates a fuel used reset switch to maximize instrument panel space utilization; the switch is functionally isolated by a separation line on the indicator lightplate; receives total fuel quantity digital data from the aircraft fuel qty computer, transmitted over an arinc 429 data bus; the total fuel qty is decoded by the total fuel indicator and indicated in pounds on a six digit liquid crystal display incorporated on the unit; a low fuel annunciator illuminates when total fuel qty is below a specified amount

Detail Specifications

Width:
3.260 inches
Length:
3.260 inches
Current Type:
Dc
Dc Voltage Rating:
28.0 volts
Depth:
5.000 inches
End Application:
C-17 acft
Presentation Type:
Digital display
Electrical Connection Quantity:
1
Electrical Connection Identifying Number:
Ms27467t13b35sa
Mounting Facility Type And Quantity:
1 clamp
Display Type:
Liquid crystal
Display Digit Quantity:
6
Case Material:
Aluminum
Part Name Assigned By Controlling Agency:
Total fuel indicator
Supplementary Features:
Weight 1.9 lbs
NSN:
6680-01-370-0963
Item Name:
Gauge,liquid Level
Cage Code:
80058

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
EFU-52/A
Cage Code:
80058
RNCC:
5
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
764-101000-503
Cage Code:
19133
RNCC:
3
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
764-101000-1
Cage Code:
88277
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
PS17072
Cage Code:
88277
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
764-101000-501
Cage Code:
19133
RNCC:
5
RNVC:
9
RNAAC:
MB
Status:
A
MSDS:
SADC:
Part Number:
764-101000-503
Cage Code:
76301
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
9F

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03377
FIIG:
A533Y0
Concept No.:
1
App. Key:
Cond. Code:
1
Status:
A

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
A
ESD:
A
MMAC:
BA
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
450.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
F000009XA2
SPI Rev.:
SPC Mkg:
39
LVL_A:
LVL_B:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
121570
UFC:
61770
LTL:
100.0
LCL:
100.0
WCC:
653
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Liquid Level Gauge"

An indicator which indicates the amount of liquid contained in a tank, vessel, chamber, and like items.

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE AIR FORCE Dept. of the Air Force
DSOR:
CN
Import / Export
  • Schedule B: 9026105000
  • SITC: 87431
  • End Use: Measuring, testing, control instruments
  • NAICS: 334513
  • USDA: 1

Classification: Flow meters for measuring or checking the flow or level of liquids


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