PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-7990Transmitter,temperature,electric

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6685-01-134-9172 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-134-9172 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-134-9172. Primary manufacturer part number: MIL-DTL-7990.
Features
  • Transmitter,temperature,electric — FSC 6685
  • Outside Diameter: 0.281 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 1 CONNECTOR, RECEPTACLE
  • Style Designator: TRANSMITTER, 24V DC V
  • Material: STEEL CORROSION RESISTING OVERALL
  • Accommodated Contact Type and Quantity: 2 PIN
  • Thread Length: 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
  • Functional Description: USED TO TRANSMIT ENGINE OIL TEMP TO FLIGHT COCKPIT OIL TEMP GAGE
Applications
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Transmitter,temperature,electric, cataloged under National Stock Number 6685-01-134-9172, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-134-9172
Primary Part NumberMIL-DTL-7990
Item NameTransmitter,temperature,electric
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Outside Diameter0.281 INCHES MAXIMUM IN
Terminal Type and Quantity1 CONNECTOR, RECEPTACLE
Style DesignatorTRANSMITTER, 24V DC V
MaterialSTEEL CORROSION RESISTING OVERALL
Accommodated Contact Type and Quantity2 PIN
Thread Length0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
Functional DescriptionUSED TO TRANSMIT ENGINE OIL TEMP TO FLIGHT COCKPIT OIL TEMP GAGE
Unit TypePROTECTIVE TUBE
Operating Temp Range-70.0 TO 300.0 CELSIUS DEGC
Distance Across Wrenching Surface Flats0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6685-00-373-9004 INTERCHANGEABLE
Transmitter,temperature,electric
6685-00-663-9000 INTERCHANGEABLE
Transmitter,temperature,electric
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-7990 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS28034-4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
102-10006 Norwich Aero Products Inc (USA)
56B3G Horizon Aerospace Llc Dba Magnetics Division (USA)
Related Parts
6685-00-373-9004INTERCHANGEABLE
TRANSMITTER,TEMPERATURE,ELECTRIC
6685-00-663-9000INTERCHANGEABLE
TRANSMITTER,TEMPERATURE,ELECTRIC

Frequently Asked Questions

What is NSN 6685-01-134-9172?

NSN 6685-01-134-9172 is a Transmitter,temperature,electric, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-134-9172?

NSN 6685-01-134-9172 has 4 cross-referenced part numbers: MIL-DTL-7990 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS28034-4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 102-10006 (Norwich Aero Products Inc), 56B3G (Horizon Aerospace Llc Dba Magnetics Division).

What NSN replaces 6685-01-134-9172?

There are 2 known substitutes for 6685-01-134-9172: 6685-00-373-9004, 6685-00-663-9000. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-7990?

Key specifications for MIL-DTL-7990: Overall Length: 2.506 INCHES MAXIMUM IN; Outside Diameter: 0.281 INCHES MAXIMUM IN; Terminal Type and Quantity: 1 CONNECTOR, RECEPTACLE; Style Designator: TRANSMITTER, 24V DC V. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com