PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN5773-1AGage Unit,engine

Aeronautical Standards Group Dept of Navy and Air Force · NSN 6620-00-663-8959 · FSC 6620 · No Item Name Available
Verified by PartsTable
NSN 6620-00-663-8959 — this item is cataloged by the U.S. Government under National Stock Number 6620-00-663-8959. Primary manufacturer part number: AN5773-1A.
Features
  • Gage Unit,engine — FSC 6620
  • Scale Marking Transparency: FLUORESCENT AND NONLUMINOUS
  • Scale Marking: LETTERS AND NUMERALS AND LINED INCREMENTS
  • Electrical Connection Quantity: 1
  • Contact Quantity: 4
  • Temp Indicator Device: ELECTRICAL
  • Scale Smallest Increment Graduation: 10 PSI; 1 PSI; 10 DEG
  • Current Type: DC
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Gage Unit,engine, cataloged under National Stock Number 6620-00-663-8959, is classified within Federal Supply Class 6620 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Aeronautical Standards Group Dept of Navy and Air Force. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6620-00-663-8959
Primary Part NumberAN5773-1A
Item NameGage Unit,engine
FSC / FSG6620 / 66 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusACTIVE
Scale Marking TransparencyFLUORESCENT AND NONLUMINOUS
Scale MarkingLETTERS AND NUMERALS AND LINED INCREMENTS
Electrical Connection Quantity1
Contact Quantity4
Temp Indicator DeviceELECTRICAL
Scale Smallest Increment Graduation10 PSI; 1 PSI; 10 DEG
Current TypeDC
Connector Controlling AgencyANA
Mechanical Connection Quantity3
Mechanical Connection TypeINTERNAL PIPE
Scale NameOIL PRESSURE AND FUEL PRESSURE AND OIL TEMPERATURE
Voltage in Volts12.0 OR 24.0
Mechanical Connection Size1/8 IN. DIA IN
Scale Quantity3
Mounting MethodPANEL
Electrical Connection Identifying NumberPART NO. AND10066-14S-2P
Contact TypePIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6620-00-224-1333 INTERCHANGEABLE
Gage Unit,engine
6620-00-224-1335 INTERCHANGEABLE
Gage Unit,engine
6620-00-229-0652 INTERCHANGEABLE
Gage Unit,engine
6620-00-530-1105 INTERCHANGEABLE
Gage Unit,engine
6620-00-531-2974 INTERCHANGEABLE
Gage Unit,engine
Cross-Reference Index
Part NumberManufacturer
AN5773-1A Aeronautical Standards Group Dept of Navy and Air Force (USA)
8GA1AAA5 General Electric Company (USA)
Related Parts
6620-00-224-1333INTERCHANGEABLE
GAGE UNIT,ENGINE
6620-00-224-1335INTERCHANGEABLE
GAGE UNIT,ENGINE
6620-00-229-0652INTERCHANGEABLE
GAGE UNIT,ENGINE
6620-00-530-1105INTERCHANGEABLE
GAGE UNIT,ENGINE
6620-00-531-2974INTERCHANGEABLE
GAGE UNIT,ENGINE

Frequently Asked Questions

What is NSN 6620-00-663-8959?

NSN 6620-00-663-8959 is a Gage Unit,engine, manufactured by Aeronautical Standards Group Dept of Navy and Air Force, classified under FSC 6620 (No Item Name Available). Status: active.

What are the part numbers for NSN 6620-00-663-8959?

NSN 6620-00-663-8959 has 2 cross-referenced part numbers: AN5773-1A (Aeronautical Standards Group Dept of Navy and Air Force), 8GA1AAA5 (General Electric Company).

What NSN replaces 6620-00-663-8959?

There are 5 known substitutes for 6620-00-663-8959: 6620-00-224-1333, 6620-00-224-1335, 6620-00-229-0652 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AN5773-1A?

Key specifications for AN5773-1A: Overall Width: 3.250 INCHES NOMINAL IN; Scale Marking Transparency: FLUORESCENT AND NONLUMINOUS; Overall Length: 3.875 INCHES NOMINAL IN; Scale Marking: LETTERS AND NUMERALS AND LINED INCREMENTS. 20 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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