PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MMM2558Inserter,electrical Contact

Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation · NSN 5120-00-196-6589 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-196-6589 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-196-6589. Primary manufacturer part number: MMM2558.
Features
  • Inserter,electrical Contact — FSC 5120
  • Contact Size for Which Designed: NO.22
  • 3 verified cross-references
  • Primary manufacturer: Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Inserter,electrical Contact, cataloged under National Stock Number 5120-00-196-6589, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation. Government technical data includes 1 verified specification, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-196-6589
Primary Part NumberMMM2558
Item NameInserter,electrical Contact
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerWinchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation
StatusACTIVE
Contact Size for Which DesignedNO.22
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-100-07262507 INTERCHANGEABLE
Cone and Rollers,tapered Roller
L & L Boiler Maintenance Inc
3110-00-157-0619YR1-3/8-3 INTERCHANGEABLE
Bearing,roller,needle
Accurate Bushing Company, Inc.
5930-00-173-8356 INTERCHANGEABLE
Cover,electrical Switch
5950-00-418-3822SM-B-619160 INTERCHANGEABLE
Transformer,audio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5975-00-660-42942558 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5910-00-933-704007-02558-1A INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Ballantine Laboratories Inc
5950-01-226-77918500599 INTERCHANGEABLE
Transformer,power
Honeywell International Inc. Dba Honeywell International
5310-01-629-96732558 INTERCHANGEABLE
Nut,plain,hexagon
Crytologic Systems Group
Cross-Reference Index
Part NumberManufacturer
4S94793-101A Lockheed Martin Corp (USA)
2558 Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation (USA)
MMM2558 PRIMARY Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation (USA)
Related Parts
3110-00-100-0726INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2507
3110-00-157-0619INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
YR1-3/8-3
5930-00-173-8356INTERCHANGEABLE
COVER,ELECTRICAL SWITCH
5950-00-418-3822INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
SM-B-619160
5975-00-660-4294INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2558
5910-00-933-7040INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
07-02558-1A
5950-01-226-7791INTERCHANGEABLE
TRANSFORMER,POWER
8500599
5310-01-629-9673INTERCHANGEABLE
NUT,PLAIN,HEXAGON
2558

Frequently Asked Questions

What is NSN 5120-00-196-6589?

NSN 5120-00-196-6589 is a Inserter,electrical Contact, manufactured by Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-196-6589?

NSN 5120-00-196-6589 has 3 cross-referenced part numbers: 4S94793-101A (Lockheed Martin Corp), 2558 (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation), MMM2558 (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation).

What NSN replaces 5120-00-196-6589?

There are 8 known substitutes for 5120-00-196-6589: 3110-00-100-0726, 3110-00-157-0619, 5930-00-173-8356 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MMM2558?

Key specifications for MMM2558: Contact Size for Which Designed: NO.22. 1 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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