PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

734674Seal,radio Frequency Transmissio

Rfs Technologies, Inc. · NSN 5985-00-984-0748 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-984-0748 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-984-0748. Primary manufacturer part number: 734674.
Features
  • Seal,radio Frequency Transmissio — FSC 5985
  • FSC Application Data: SEAL,5RADIO9FREQUENCY TRANSMISSION2LINE,2COMBAT INFORMATION0CENTRAL
  • Mounting Method: BOLT
  • Transmission Line Opening Diameter: 0.875 INCHES NOMINAL IN
  • Transmission Line Characteristic Impedance: 53.0 OHMS NOMINAL
  • External Connector Type: JACK
  • Internal Conductor Connector Type: SPRING CONTACT
  • Overall Diameter: 2.250 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,radio Frequency Transmissio, cataloged under National Stock Number 5985-00-984-0748, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Rfs Technologies, Inc.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-984-0748
Primary Part Number734674
Item NameSeal,radio Frequency Transmissio
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerRfs Technologies, Inc.
StatusACTIVE
FSC Application DataSEAL,5RADIO9FREQUENCY TRANSMISSION2LINE,2COMBAT INFORMATION0CENTRAL
Mounting MethodBOLT
Transmission Line Opening Diameter0.875 INCHES NOMINAL IN
Transmission Line Characteristic Impedance53.0 OHMS NOMINAL
External Connector TypeJACK
Internal Conductor Connector TypeSPRING CONTACT
Overall Diameter2.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5935-00-080-905281875 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corporation Div Amphenol Rf
1660-00-219-484181875 INTERCHANGEABLE
Filter Assembly,air
Honeywell International Inc. Div Aerospace - Torrance
2815-00-908-666441158085 INTERCHANGEABLE
Ring Set,piston
Perkins Engines Inc
Cross-Reference Index
Part NumberManufacturer
81-875 Rfs Technologies, Inc. (USA)
734674 PRIMARY Rfs Technologies, Inc. (USA)
81-875 Cpi Satcom & Antenna Technologies Inc. (USA)
Related Parts
5935-00-080-9052INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
81875
1660-00-219-4841INTERCHANGEABLE
FILTER ASSEMBLY,AIR
81875
2815-00-908-6664INTERCHANGEABLE
RING SET,PISTON
41158085

Frequently Asked Questions

What is NSN 5985-00-984-0748?

NSN 5985-00-984-0748 is a Seal,radio Frequency Transmissio, manufactured by Rfs Technologies, Inc., classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-984-0748?

NSN 5985-00-984-0748 has 3 cross-referenced part numbers: 81-875 (Rfs Technologies, Inc.), 734674 (Rfs Technologies, Inc.), 81-875 (Cpi Satcom & Antenna Technologies Inc.).

What NSN replaces 5985-00-984-0748?

There are 3 known substitutes for 5985-00-984-0748: 5935-00-080-9052, 1660-00-219-4841, 2815-00-908-6664. Verify interchangeability with system specifications before substitution.

What are the specifications of 734674?

Key specifications for 734674: Overall Length: 2.563 INCHES NOMINAL IN; FSC Application Data: SEAL,5RADIO9FREQUENCY TRANSMISSION2LINE,2COMBAT INFORMATION0CENTRAL; Mounting Method: BOLT; Transmission Line Opening Diameter: 0.875 INCHES NOMINAL IN. 8 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