PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C1B11Terminal Box

Keystone Columbia Inc · NSN 5940-00-089-7856 · FSC 5940 · No Item Name Available
Verified by PartsTable
NSN 5940-00-089-7856 — this item is cataloged by the U.S. Government under National Stock Number 5940-00-089-7856. Primary manufacturer part number: C1B11.
Features
  • Terminal Box — FSC 5940
  • 3 verified cross-references
  • Primary manufacturer: Keystone Columbia Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Terminal Box, cataloged under National Stock Number 5940-00-089-7856, 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 Keystone Columbia Inc. This item has 3 commercial cross-references from 2 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
NSN5940-00-089-7856
Primary Part NumberC1B11
Item NameTerminal Box
FSC / FSG5940 / 59 — No Item Name Available
ManufacturerKeystone Columbia Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5342-00-101-51195601 INTERCHANGEABLE
Clip,spring
Pdi Ground Support Systems, Inc.
2520-00-242-3316 INTERCHANGEABLE
Clutch Assembly,hub
5340-00-302-18405601 INTERCHANGEABLE
Holder,door
Eastern Co Div Eberhard Manufacturing
5985-00-321-1663443387-1 INTERCHANGEABLE
Coupler,directional
Raytheon Company Dba Raytheon Co
6350-00-338-42345601 INTERCHANGEABLE
Tape,recording
Adt Security Systems Inc
5950-00-484-364310664829 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Aviation and Missile Command
5961-00-762-13991088138-1 INTERCHANGEABLE
Retainer,semiconductor Device
Lockheed Martin Corporation Div Rms - Mitchel Field
5910-01-046-7002913924-1 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Raytheon Company Dba Raytheon Co
4730-01-064-25535601 INTERCHANGEABLE
Elbow Assembly,connector
Avox Systems Inc Dba Avox Systems Inc
5962-01-108-7141 INTERCHANGEABLE
Microcircuit,memory
Cross-Reference Index
Part NumberManufacturer
C1B11 Keystone Columbia Inc (USA)
5601A Reliance Comm/tec Corp Reliable Electric Div Utility Products (USA)
5601 Reliance Comm/tec Corp Reliable Electric Div Utility Products (USA)
Related Parts
5342-00-101-5119INTERCHANGEABLE
CLIP,SPRING
5601
2520-00-242-3316INTERCHANGEABLE
CLUTCH ASSEMBLY,HUB
5340-00-302-1840INTERCHANGEABLE
HOLDER,DOOR
5601
5985-00-321-1663INTERCHANGEABLE
COUPLER,DIRECTIONAL
443387-1
6350-00-338-4234INTERCHANGEABLE
TAPE,RECORDING
5601
5950-00-484-3643INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
10664829
5961-00-762-1399INTERCHANGEABLE
RETAINER,SEMICONDUCTOR DEVICE
1088138-1
5910-01-046-7002INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
913924-1
4730-01-064-2553INTERCHANGEABLE
ELBOW ASSEMBLY,CONNECTOR
5601
5962-01-108-7141INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5180-01-153-2795INTERCHANGEABLE
TOOL KIT,SCREW THREAD INSERT
5601
6520-01-164-3106INTERCHANGEABLE
SWAB,DENTAL
5601

Frequently Asked Questions

What is NSN 5940-00-089-7856?

NSN 5940-00-089-7856 is a Terminal Box, manufactured by Keystone Columbia Inc, classified under FSC 5940 (No Item Name Available). Status: active.

What are the part numbers for NSN 5940-00-089-7856?

NSN 5940-00-089-7856 has 3 cross-referenced part numbers: C1B11 (Keystone Columbia Inc), 5601A (Reliance Comm/tec Corp Reliable Electric Div Utility Products), 5601 (Reliance Comm/tec Corp Reliable Electric Div Utility Products).

What NSN replaces 5940-00-089-7856?

There are 12 known substitutes for 5940-00-089-7856: 5342-00-101-5119, 2520-00-242-3316, 5340-00-302-1840 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C1B11?

Key specifications for C1B11: Overall Width: 5.000 INCHES NOMINAL IN; Overall Depth: 2.500 INCHES NOMINAL IN; Overall Height: 23.000 INCHES NOMINAL IN. 3 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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