PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

353KTransmitter,pressure

Herley Chicago Dba Stewart Warner Electronics · NSN 6685-00-514-4099 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-514-4099 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-514-4099. Primary manufacturer part number: 353K.
Features
  • Transmitter,pressure — FSC 6685
  • Voltage Rating: 6.0 VOLTS NOMINAL OUTPUT
  • Mounting Method: THREADED MALE CONNECTION
  • Usage Design: DESIGNED TO MEASURE AND TRANSMIT OIL PRESSURE
  • Electrical Connection Quantity: 1
  • Mechanical Connection Quantity: 1
  • Contact Quantity: 1
  • Actuation Method: DIAPHRAGM
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transmitter,pressure, cataloged under National Stock Number 6685-00-514-4099, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Herley Chicago Dba Stewart Warner Electronics. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 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
NSN6685-00-514-4099
Primary Part Number353K
Item NameTransmitter,pressure
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerHerley Chicago Dba Stewart Warner Electronics
StatusCANCELLED
Voltage Rating6.0 VOLTS NOMINAL OUTPUT
Mounting MethodTHREADED MALE CONNECTION
Usage DesignDESIGNED TO MEASURE AND TRANSMIT OIL PRESSURE
Electrical Connection Quantity1
Mechanical Connection Quantity1
Contact Quantity1
Actuation MethodDIAPHRAGM
Measurement Range+0.0 TO 50.0 POUNDS PER SQUARE INCH LBS
Mechanical Connection TypeEXTERNAL
Current TypeDC
Mechanical Connection Size1/8 NPTF SIZE
Contact TypeTHREADED STUD
Mounting Device Quantity1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5310-00-075-1134 INTERCHANGEABLE
Retainer,ribbon
3110-00-142-4387453X INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5975-00-214-051124419 INTERCHANGEABLE
Protector,electrical Cable
Vse Aviation, Inc.
6850-01-671-012930565 INTERCHANGEABLE
Cleaning Compound,solvent
Loctite Corp
Cross-Reference Index
Part NumberManufacturer
12A1081 Fmc Corp (USA)
12A1081 Link-Belt Cranes, L.p., Lllp (USA)
353K PRIMARY Herley Chicago Dba Stewart Warner Electronics (USA)
30565 Komatsu America Corporation (USA)
353-K Meggitt Troy Inc (USA)
353K Stewart-Warner Corporation (USA)
11171-29-92 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
R30565 Komatsu America Corporation (USA)
3043624 Allis-Chalmers Corp (USA)
11171-29-92 Koehring Co (USA)
12A1081 Fmc Corp Link-Belt Div (USA)
Related Parts
5310-00-075-1134INTERCHANGEABLE
RETAINER,RIBBON
3110-00-142-4387INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
453X
5975-00-214-0511INTERCHANGEABLE
PROTECTOR,ELECTRICAL CABLE
24419
6850-01-671-0129INTERCHANGEABLE
CLEANING COMPOUND,SOLVENT
30565

Frequently Asked Questions

What is NSN 6685-00-514-4099?

NSN 6685-00-514-4099 is a Transmitter,pressure, manufactured by Herley Chicago Dba Stewart Warner Electronics, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-514-4099?

NSN 6685-00-514-4099 has 11 cross-referenced part numbers: 12A1081 (Fmc Corp), 12A1081 (Link-Belt Cranes, L.p., Lllp), 353K (Herley Chicago Dba Stewart Warner Electronics), 30565 (Komatsu America Corporation), 353-K (Meggitt Troy Inc) and 6 more.

What NSN replaces 6685-00-514-4099?

There are 4 known substitutes for 6685-00-514-4099: 5310-00-075-1134, 3110-00-142-4387, 5975-00-214-0511 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 353K?

Key specifications for 353K: Voltage Rating: 6.0 VOLTS NOMINAL OUTPUT; Overall Length: 2.750 INCHES NOMINAL IN; Mounting Method: THREADED MALE CONNECTION; Usage Design: DESIGNED TO MEASURE AND TRANSMIT OIL PRESSURE. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-514-4099 still in active supply?

NSN 6685-00-514-4099 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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