PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4504Transmitter,pressure

Bei Sensors & Systems Company, Inc. Dba Bei Duncan · NSN 6685-00-922-3918 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-922-3918 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-922-3918. Primary manufacturer part number: 4504.
Features
  • Transmitter,pressure — FSC 6685
  • Current Type: DC
  • Actuation Method: PRESSURE SENSING ELEMENT
  • Contact Quantity: 4
  • Overall Thickness: 1.250 INCHES NOMINAL IN
  • Electrical Connection Quantity: 1
  • Electrical Connection Identifying Number: PT1H-8-4P
  • Measurement Range: -3000.0 TO 3000.0 POUNDS PRESSURE 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 6685-00-922-3918, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bei Sensors & Systems Company, Inc. Dba Bei Duncan. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-922-3918
Primary Part Number4504
Item NameTransmitter,pressure
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerBei Sensors & Systems Company, Inc. Dba Bei Duncan
StatusACTIVE
Current TypeDC
Actuation MethodPRESSURE SENSING ELEMENT
Contact Quantity4
Overall Thickness1.250 INCHES NOMINAL IN
Electrical Connection Quantity1
Electrical Connection Identifying NumberPT1H-8-4P
Measurement Range-3000.0 TO 3000.0 POUNDS PRESSURE PER SQUARE INCH LBS
Mounting MethodHOLE
Mechanical Connection SizeA/N TYPE 4 PER MS33514G4
Connector Controlling AgencyBENDIX
Mechanical Connection TypeEXTERNAL THREAD
Contact TypePIN
Voltage Rating24.0 VOLTS NOMINAL INPUT
Mechanical Connection Quantity2
Mounting Device Quantity4
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
7510-00-104-93117100021952 INTERCHANGEABLE
Tape,pressure Sensitive Adhesive
3m Company
5325-00-281-6719553601H INTERCHANGEABLE
Ring,retaining
Navistar Intl Corp Truck Br Ohio Plant
2810-00-306-5813118741 INTERCHANGEABLE
Reinforcing Plate,drive
Curtiss-Wright Controls, Inc. Div Actuation Division
1630-00-632-10984504 INTERCHANGEABLE
Stem Assy,valve Bra
Avox Systems Inc Dba Avox Systems Inc
2530-00-776-93184-X-100 INTERCHANGEABLE
Arm,towing Tongue
Pdi Ground Support Systems, Inc.
4320-00-822-22374504 INTERCHANGEABLE
Impeller,pump,centrifugal
Industrial Technologies and Services Llc
8930-00-957-95934504 INTERCHANGEABLE
Jam
Diamond Crystal Specialty Foods Inc
5950-00-977-6022 INTERCHANGEABLE
Coil,radio Frequency
5940-00-981-7820 INTERCHANGEABLE
Terminal Board
2530-01-086-4285 INTERCHANGEABLE
Piston,hydraulic Brake
Cross-Reference Index
Part NumberManufacturer
4504 Bei Sensors & Systems Company, Inc. Dba Bei Duncan (USA)
4504 Bei Sensors & Systems Co. Inc Dba Edcliff Instruments Division (USA)
118741 Bei Sensors & Systems Company, Inc. Dba Bei Duncan (USA)
656358 Cae Usa Inc. (USA)
118741 Bei Sensors & Systems Co. Inc Dba Edcliff Instruments Division (USA)
656358 Raytheon Technical Services Company (USA)
Related Parts
7510-00-104-9311INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
7100021952
5325-00-281-6719INTERCHANGEABLE
RING,RETAINING
553601H
2810-00-306-5813INTERCHANGEABLE
REINFORCING PLATE,DRIVE
118741
1630-00-632-1098INTERCHANGEABLE
STEM ASSY,VALVE BRA
4504
2530-00-776-9318INTERCHANGEABLE
ARM,TOWING TONGUE
4-X-100
4320-00-822-2237INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
4504
8930-00-957-9593INTERCHANGEABLE
JAM
4504
5950-00-977-6022INTERCHANGEABLE
COIL,RADIO FREQUENCY
5940-00-981-7820INTERCHANGEABLE
TERMINAL BOARD
2530-01-086-4285INTERCHANGEABLE
PISTON,HYDRAULIC BRAKE
7510-01-122-2116INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
4504 3/4
5961-01-172-9773INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4504

Frequently Asked Questions

What is NSN 6685-00-922-3918?

NSN 6685-00-922-3918 is a Transmitter,pressure, manufactured by Bei Sensors & Systems Company, Inc. Dba Bei Duncan, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-922-3918?

NSN 6685-00-922-3918 has 6 cross-referenced part numbers: 4504 (Bei Sensors & Systems Company, Inc. Dba Bei Duncan), 4504 (Bei Sensors & Systems Co. Inc Dba Edcliff Instruments Division), 118741 (Bei Sensors & Systems Company, Inc. Dba Bei Duncan), 656358 (Cae Usa Inc.), 118741 (Bei Sensors & Systems Co. Inc Dba Edcliff Instruments Division) and 1 more.

What NSN replaces 6685-00-922-3918?

There are 12 known substitutes for 6685-00-922-3918: 7510-00-104-9311, 5325-00-281-6719, 2810-00-306-5813 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4504?

Key specifications for 4504: Overall Width: 2.260 INCHES NOMINAL IN; Current Type: DC; Actuation Method: PRESSURE SENSING ELEMENT; Contact Quantity: 4. 18 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