PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53403Cable Assembly,radio Frequency

Semflex, Inc. · NSN 5995-01-257-5219 · FSC 5995 · No Item Name Available
Verified by PartsTable
NSN 5995-01-257-5219 — this item is cataloged by the U.S. Government under National Stock Number 5995-01-257-5219. Primary manufacturer part number: 53403.
Features
  • Cable Assembly,radio Frequency — FSC 5995
  • Cross-Sectional Shape Style: ROUND
  • Style Designator: EXTERNAL CONNECTORS
  • Conductor Quantity: 1
  • 3 verified cross-references
  • Primary manufacturer: Semflex, Inc.
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
General Description

The Cable Assembly,radio Frequency, cataloged under National Stock Number 5995-01-257-5219, is classified within Federal Supply Class 5995 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Semflex, Inc.. Government technical data includes 3 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5995-01-257-5219
Primary Part Number53403
Item NameCable Assembly,radio Frequency
FSC / FSG5995 / 59 — No Item Name Available
ManufacturerSemflex, Inc.
StatusACTIVE
Cross-Sectional Shape StyleROUND
Style DesignatorEXTERNAL CONNECTORS
Conductor Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
1610-00-119-706253403 INTERCHANGEABLE
Sleeve,dome Relief
Hamilton Sundstrand Corporation Dba Collins Aerospace
6675-00-201-3869 INTERCHANGEABLE
Table,drawing
3455-00-222-92191-1561-0212 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
New York Twist Drill Inc
5998-01-097-785253403 INTERCHANGEABLE
Printed Circuit Board
Unitron International Systems Inc.
4520-01-377-744053403 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
Cross-Reference Index
Part NumberManufacturer
2903584-3 Raytheon Company Dba Raytheon (USA)
2903461-1 Raytheon Company Dba Raytheon (USA)
53403 PRIMARY Semflex, Inc. (USA)
Related Parts
1610-00-119-7062INTERCHANGEABLE
SLEEVE,DOME RELIEF
53403
6675-00-201-3869INTERCHANGEABLE
TABLE,DRAWING
3455-00-222-9219INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
1-1561-0212
5998-01-097-7852INTERCHANGEABLE
PRINTED CIRCUIT BOARD
53403
4520-01-377-7440INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
53403

Frequently Asked Questions

What is NSN 5995-01-257-5219?

NSN 5995-01-257-5219 is a Cable Assembly,radio Frequency, manufactured by Semflex, Inc., classified under FSC 5995 (No Item Name Available). Status: active.

What are the part numbers for NSN 5995-01-257-5219?

NSN 5995-01-257-5219 has 3 cross-referenced part numbers: 2903584-3 (Raytheon Company Dba Raytheon), 2903461-1 (Raytheon Company Dba Raytheon), 53403 (Semflex, Inc.).

What NSN replaces 5995-01-257-5219?

There are 5 known substitutes for 5995-01-257-5219: 1610-00-119-7062, 6675-00-201-3869, 3455-00-222-9219 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 53403?

Key specifications for 53403: End Item Identification: LANTIRN NAV POD; Special Features: 1 BEND; Cross-Sectional Shape Style: ROUND; Overall Length: 2.673 INCHES IN. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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