PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST3ATransmitter,pressure

Ametek, Inc. Div Aerospace & Defense · NSN 6620-00-526-7890 · FSC 6620 · No Item Name Available
Verified by PartsTable
NSN 6620-00-526-7890 — this item is cataloged by the U.S. Government under National Stock Number 6620-00-526-7890. Primary manufacturer part number: ST3A.
Features
  • Transmitter,pressure — FSC 6620
  • FSC Application Data: TRANSMITTER,PRESSURE,ENGINE INSTRUMENT
  • Contact Quantity: 4
  • Frequency Rating: 400.0 HERTZ NOMINAL INPUT
  • Connector Controlling Agency: AN
  • Mounting Method: HOLE
  • Mechanical Connection Size: 1/4 IN. DIA IN
  • Measurement Range: +0.000 TO 1000.000 POUNDS PER SQUARE INCH LBS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transmitter,pressure, cataloged under National Stock Number 6620-00-526-7890, is classified within Federal Supply Class 6620 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ametek, Inc. Div Aerospace & Defense. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6620-00-526-7890
Primary Part NumberST3A
Item NameTransmitter,pressure
FSC / FSG6620 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusCANCELLED
FSC Application DataTRANSMITTER,PRESSURE,ENGINE INSTRUMENT
Contact Quantity4
Frequency Rating400.0 HERTZ NOMINAL INPUT
Connector Controlling AgencyAN
Mounting MethodHOLE
Mechanical Connection Size1/4 IN. DIA IN
Measurement Range+0.000 TO 1000.000 POUNDS PER SQUARE INCH LBS
Mechanical Connection TypeFLARED TUBE
Mechanical Connection Quantity1
Electrical Connection Identifying NumberAN3102D-14S-2P
Overall Thickness2.625 INCHES NOMINAL IN
Mounting Device Quantity4
Electrical Connection Quantity1
PhaseSINGLE INPUT
Voltage Rating26.0 VOLTS NOMINAL INPUT
Actuation MethodBOURDON TUBE
Contact TypePIN
Current TypeAC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
6620-00-233-68391358-041040 INTERCHANGEABLE
Transmitter,pressure
Elbitamerica, Inc.
6685-00-526-7864 INTERCHANGEABLE
Transmitter,pressure
6620-00-531-27464166-28A25-2A INTERCHANGEABLE
Transmitter,pressure
Honeywell Intl Inc Defense Avionics Systems
6620-00-557-0385 INTERCHANGEABLE
Transmitter,pressure
Cross-Reference Index
Part NumberManufacturer
MIL-T-25307 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS28005-4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
ST3A PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
Related Parts
6620-00-233-6839INTERCHANGEABLE
TRANSMITTER,PRESSURE
1358-041040
6685-00-526-7864INTERCHANGEABLE
TRANSMITTER,PRESSURE
6620-00-531-2746INTERCHANGEABLE
TRANSMITTER,PRESSURE
4166-28A25-2A
6620-00-557-0385INTERCHANGEABLE
TRANSMITTER,PRESSURE

Frequently Asked Questions

What is NSN 6620-00-526-7890?

NSN 6620-00-526-7890 is a Transmitter,pressure, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6620 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6620-00-526-7890?

NSN 6620-00-526-7890 has 3 cross-referenced part numbers: MIL-T-25307 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS28005-4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ST3A (Ametek, Inc. Div Aerospace & Defense).

What NSN replaces 6620-00-526-7890?

There are 4 known substitutes for 6620-00-526-7890: 6620-00-233-6839, 6685-00-526-7864, 6620-00-531-2746 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ST3A?

Key specifications for ST3A: FSC Application Data: TRANSMITTER,PRESSURE,ENGINE INSTRUMENT; Contact Quantity: 4; Frequency Rating: 400.0 HERTZ NOMINAL INPUT; Overall Length: 5.344 INCHES NOMINAL IN. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6620-00-526-7890 still in active supply?

NSN 6620-00-526-7890 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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