PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN5771-8Gage,pressure,dial Indicating

Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group · NSN 6620-00-557-0403 · FSC 6620 · No Item Name Available
Verified by PartsTable
NSN 6620-00-557-0403 — this item is cataloged by the U.S. Government under National Stock Number 6620-00-557-0403. Primary manufacturer part number: AN5771-8.
Features
  • Gage,pressure,dial Indicating — FSC 6620
  • Mounting Hole Diameter: 0.138 INCHES NOMINAL IN
  • Material: PLASTIC CASE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Color: BLACK CASE
  • Surface Treatment: ENAMEL LUSTERLESS CASE
  • Mounting Hole Quantity: 4
  • Mounting Method: FLUSH PANEL
Applications
  • Applications requiring Plastic Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6620-00-557-0403, is classified within Federal Supply Class 6620 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6620-00-557-0403
Primary Part NumberAN5771-8
Item NameGage,pressure,dial Indicating
FSC / FSG6620 / 66 — No Item Name Available
ManufacturerAir Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group
StatusCANCELLED
Mounting Hole Diameter0.138 INCHES NOMINAL IN
MaterialPLASTIC CASE
MaterialGLASS PROTECTIVE CRYSTAL
ColorBLACK CASE
Surface TreatmentENAMEL LUSTERLESS CASE
Mounting Hole Quantity4
Mounting MethodFLUSH PANEL
Actuation TypeANY ACCEPTABLE
Graduation Unit10.0 POUNDS LBS
Connector Type VentPROVIDED
Dial Size1-7/8 IN. DIA IN
Illuminative MethodFLUORESCENT LAMP
Connection Quantity1
AdjustabilityNONADJUSTABLE
Pointer TypeINDICATING
Connection Size0.438 IN.-20 UNF IN
Unable to DecodeUNABLE TO DECODE
Connection TypeINTERNAL
Scale Smallest Increment1.0 POUNDS LBS
Scale NameMANIFOLD PRESSURE
Scale Inscription/background ColorLUMINOUS FIGURES ON BLACK BACKGROUND
Connection LocationBACK
Scale TypeSINGLE
Scale Range+0.000 TO 25.000 POUNDS PRESSURE PER SQUARE INCH LBS
Bolt Circle Diameter2.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6620-00-045-8134 INTERCHANGEABLE
Gage,pressure,dial Indicating
6620-00-051-714331855-12 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ranco Inc Ranco Controls Div
6620-00-051-7145 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-515-5764 INTERCHANGEABLE
Gage,vacuum,indicating
6685-00-551-3603 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-553-1995 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-555-3054 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-556-8527 INTERCHANGEABLE
Gage,vacuum,indicating
6685-00-557-0220 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-580-0935 INTERCHANGEABLE
Gage,pressure,dial Indicating
Cross-Reference Index
Part NumberManufacturer
AN5771-8 Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group
MILG7734 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS28061-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AN5771-8 Aeronautical Standards Group Dept of Navy and Air Force (USA)
AW1815AB01 Ametek, Inc. Div Aerospace & Defense (USA)
Related Parts
6620-00-045-8134INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6620-00-051-7143INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
31855-12
6620-00-051-7145INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-515-5764INTERCHANGEABLE
GAGE,VACUUM,INDICATING
6685-00-551-3603INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-553-1995INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-555-3054INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-556-8527INTERCHANGEABLE
GAGE,VACUUM,INDICATING
6685-00-557-0220INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-580-0935INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-580-0937INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-634-9233INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING

Frequently Asked Questions

What is NSN 6620-00-557-0403?

NSN 6620-00-557-0403 is a Gage,pressure,dial Indicating, manufactured by Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group, classified under FSC 6620 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6620-00-557-0403?

NSN 6620-00-557-0403 has 5 cross-referenced part numbers: AN5771-8 (Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group), MILG7734 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS28061-1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AN5771-8 (Aeronautical Standards Group Dept of Navy and Air Force), AW1815AB01 (Ametek, Inc. Div Aerospace & Defense).

What NSN replaces 6620-00-557-0403?

There are 12 known substitutes for 6620-00-557-0403: 6620-00-045-8134, 6620-00-051-7143, 6620-00-051-7145 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AN5771-8?

Key specifications for AN5771-8: Mounting Hole Diameter: 0.138 INCHES NOMINAL IN; Material: PLASTIC CASE; Material: GLASS PROTECTIVE CRYSTAL; Color: BLACK CASE. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6620-00-557-0403 still in active supply?

NSN 6620-00-557-0403 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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