PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

78400Contact,electrical

Telemechanics Inc · NSN 5999-00-126-8037 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-126-8037 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-126-8037. Primary manufacturer part number: 78400.
Features
  • Contact,electrical — FSC 5999
  • Material: CARBON CONTACT
  • Voltage Rating in Volts: 110.0 AC
  • Mounting Facility Quantity: 1
  • Mounting Method: UNTHREADED HOLE(S)
  • Current Rating in Amps: 10.0
  • Material: CARBON CONTACT
  • Voltage Rating in Volts: 110.0 AC
Applications
  • Applications requiring Carbon Contact construction
General Description

The Contact,electrical, cataloged under National Stock Number 5999-00-126-8037, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-126-8037
Primary Part Number78400
Item NameContact,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerTelemechanics Inc
StatusACTIVE
MaterialCARBON CONTACT
Voltage Rating in Volts110.0 AC
Mounting Facility Quantity1
Mounting MethodUNTHREADED HOLE(S)
Current Rating in Amps10.0
MaterialCARBON CONTACT
Voltage Rating in Volts110.0 AC
Mounting Facility Quantity1
Mounting MethodUNTHREADED HOLE(S)
Current Rating in Amps10.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.4000 lbs
Cube0.0006 cu ft
Verified Substitutes 5
6680-00-137-613478400 INTERCHANGEABLE
Counter,rotating
L3harris Technologies, Inc Div Space & Airborne Systems
5935-01-125-5876 INTERCHANGEABLE
Cover,electrical Connector
4320-01-275-791778400 INTERCHANGEABLE
Stub,unloader
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
3415-01-339-129078400 INTERCHANGEABLE
Crossfeed
Ke Marine Inc Dba Ke Marine Inc
6240-01-459-9086P78400000 INTERCHANGEABLE
Lamp,incandescent
Luminator Holding L.p Dba Luminator Technology Group
Cross-Reference Index
Part NumberManufacturer
78400 PRIMARY Telemechanics Inc (USA)
78400 At and T Corp (USA)
78400 American Telephone and Telegraph Co (USA)
Related Parts
6680-00-137-6134INTERCHANGEABLE
COUNTER,ROTATING
78400
5935-01-125-5876INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
4320-01-275-7917INTERCHANGEABLE
STUB,UNLOADER
78400
3415-01-339-1290INTERCHANGEABLE
CROSSFEED
78400
6240-01-459-9086INTERCHANGEABLE
LAMP,INCANDESCENT
P78400000

Frequently Asked Questions

What is NSN 5999-00-126-8037?

NSN 5999-00-126-8037 is a Contact,electrical, manufactured by Telemechanics Inc, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-126-8037?

NSN 5999-00-126-8037 has 3 cross-referenced part numbers: 78400 (Telemechanics Inc), 78400 (At and T Corp), 78400 (American Telephone and Telegraph Co).

What NSN replaces 5999-00-126-8037?

There are 5 known substitutes for 5999-00-126-8037: 6680-00-137-6134, 5935-01-125-5876, 4320-01-275-7917 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 78400?

Key specifications for 78400: Overall Height: 0.312 INCHES NOMINAL IN; Overall Length: 3.312 INCHES NOMINAL IN; Material: CARBON CONTACT; Voltage Rating in Volts: 110.0 AC. 16 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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