PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MX1684UFerrule,metallic Shielded Cable,

Joint Electronics Type Designation System · NSN 5940-00-552-4878 · FSC 5940 · No Item Name Available
Verified by PartsTable
NSN 5940-00-552-4878 — this item is cataloged by the U.S. Government under National Stock Number 5940-00-552-4878. Primary manufacturer part number: MX1684U.
Features
  • Ferrule,metallic Shielded Cable, — FSC 5940
  • Cable Identifying Number: TYPE NO. RG-55/U AND RG-58/U
  • Cable Controlling Agency: JCENS
  • Major Mounting Thread Diameter: 0.313 INCHES NOMINAL IN
  • Mounting Facility: INCLUDED
  • Mounting Type: BUSHING
  • 28 verified cross-references
  • Primary manufacturer: Joint Electronics Type Designation System
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
General Description

The Ferrule,metallic Shielded Cable,, cataloged under National Stock Number 5940-00-552-4878, is classified within Federal Supply Class 5940 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Joint Electronics Type Designation System. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 28 commercial cross-references from 23 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5940-00-552-4878
Primary Part NumberMX1684U
Item NameFerrule,metallic Shielded Cable,
FSC / FSG5940 / 59 — No Item Name Available
ManufacturerJoint Electronics Type Designation System
StatusCANCELLED
Cable Identifying NumberTYPE NO. RG-55/U AND RG-58/U
Cable Controlling AgencyJCENS
Major Mounting Thread Diameter0.313 INCHES NOMINAL IN
Mounting FacilityINCLUDED
Mounting TypeBUSHING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4720-00-014-68674061 INTERCHANGEABLE
Hose,preformed
Flexaust Inc
3610-00-116-6943 INTERCHANGEABLE
Regulator,flow
6645-00-225-27154061 INTERCHANGEABLE
Wheel,pillar
Wakmann Watch Company Inc
5120-00-357-9244 INTERCHANGEABLE
Yoke Two Way
5330-00-399-69194004061 INTERCHANGEABLE
Gasket
Agco Corp Parts Opn
2590-00-555-6605102586 INTERCHANGEABLE
Tank,oil,hydraulic System
Air Logistics Corporation Dba Air Logistics Corp
1285-00-761-91322312401PC2 INTERCHANGEABLE
Adapter
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6210-00-782-17304061 INTERCHANGEABLE
Lens,light
L3harris Technologies, Inc. Div Space and Airborne Systems
5330-00-795-4086BA1527 INTERCHANGEABLE
Gasket
Stillman Seal Corporation Div Stillman Seal Corperation
5945-00-801-3197 INTERCHANGEABLE
Relay,electromagnetic
Cross-Reference Index
Part NumberManufacturer
51C6934P1 Westinghouse Electric Corp (USA)
P11170-11 Hastings a W and Co Inc (USA)
K7001076P1 General Electric Company (USA)
71Z0-3-3 Huber + Suhner (uk) Ltd (GBR)
2088569-0001 Bendix Corp the Bendix International Div (USA)
755563 Itt Industries Inc Itt Aerospace Communications Div East (USA)
301840 Agilent Technologies Inc. Div Power Products Site (USA)
837172 Naval Sea Systems Command (USA)
MX1684U Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1025 Amphenol Corporation Div Amphenol Rf (USA)
4960015047 Thales Deutschland Gmbh Div Customer Services (DEU)
14078009 Entron Industries L P (USA)
MX1684U Maytag Corporation Dba Maytag Appliancessales (USA)
406-1 Amphenol Corporation Div Amphenol Rf (USA)
7001076P1 General Electric Company (USA)
CCT1025 Navcom Defense Electronics, Inc. (USA)
588A36-1 Cardwell Condenser Corp Lapointe-Admiral Div (USA)
8515495 Us Army Aviation and Missile Command (USA)
MX1684U PRIMARY Joint Electronics Type Designation System (USA)
MX1684/U Amphenol Corporation Div Amphenol Rf (USA)
Related Parts
4720-00-014-6867INTERCHANGEABLE
HOSE,PREFORMED
4061
3610-00-116-6943INTERCHANGEABLE
REGULATOR,FLOW
6645-00-225-2715INTERCHANGEABLE
WHEEL,PILLAR
4061
5120-00-357-9244INTERCHANGEABLE
YOKE TWO WAY
5330-00-399-6919INTERCHANGEABLE
GASKET
4004061
2590-00-555-6605INTERCHANGEABLE
TANK,OIL,HYDRAULIC SYSTEM
102586
1285-00-761-9132INTERCHANGEABLE
ADAPTER
2312401PC2
6210-00-782-1730INTERCHANGEABLE
LENS,LIGHT
4061
5330-00-795-4086INTERCHANGEABLE
GASKET
BA1527
5945-00-801-3197INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5915-00-900-9709INTERCHANGEABLE
FILTER,BAND PASS
406-1
1420-00-918-5465INTERCHANGEABLE
CONNECTOR,PENDULANT
102586

Frequently Asked Questions

What is NSN 5940-00-552-4878?

NSN 5940-00-552-4878 is a Ferrule,metallic Shielded Cable,, manufactured by Joint Electronics Type Designation System, classified under FSC 5940 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5940-00-552-4878?

NSN 5940-00-552-4878 has 28 cross-referenced part numbers: 51C6934P1 (Westinghouse Electric Corp), P11170-11 (Hastings a W and Co Inc), K7001076P1 (General Electric Company), 71Z0-3-3 (Huber + Suhner (uk) Ltd), 2088569-0001 (Bendix Corp the Bendix International Div) and 23 more.

What NSN replaces 5940-00-552-4878?

There are 12 known substitutes for 5940-00-552-4878: 4720-00-014-6867, 3610-00-116-6943, 6645-00-225-2715 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MX1684U?

Key specifications for MX1684U: Cable Identifying Number: TYPE NO. RG-55/U AND RG-58/U; Cable Controlling Agency: JCENS; Major Mounting Thread Diameter: 0.313 INCHES NOMINAL IN; Mounting Facility: INCLUDED. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5940-00-552-4878 still in active supply?

NSN 5940-00-552-4878 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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