PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27327Arm,electrical Contact Brush

Ontic Engineering & Manufacturing, Inc Dba Ontic Us · NSN 5977-00-090-3383 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-090-3383 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-090-3383. Primary manufacturer part number: 27327.
Features
  • Arm,electrical Contact Brush — FSC 5977
  • Material: COPPER ALLOY
  • Mounting Configuration: TWO 0.187 IN. DIA MTG HOLES IN LINE IN
  • 4 verified cross-references
  • Primary manufacturer: Ontic Engineering & Manufacturing, Inc Dba Ontic Us
Applications
  • Applications requiring Copper Alloy construction
General Description

The Arm,electrical Contact Brush, cataloged under National Stock Number 5977-00-090-3383, is classified within Federal Supply Class 5977 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5977-00-090-3383
Primary Part Number27327
Item NameArm,electrical Contact Brush
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerOntic Engineering & Manufacturing, Inc Dba Ontic Us
StatusCANCELLED
MaterialCOPPER ALLOY
Mounting ConfigurationTWO 0.187 IN. DIA MTG HOLES IN LINE IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5342-00-171-2674 INTERCHANGEABLE
Latch,eye
5310-00-197-8822 INTERCHANGEABLE
Washer,flat
5950-00-673-7358 INTERCHANGEABLE
Transformer,radio Frequency
5330-00-842-1313 INTERCHANGEABLE
Seal,plain Encased
1040-00-938-896354A50B307 INTERCHANGEABLE
Indicator Assy,heat
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4730-01-170-07770062120-030 INTERCHANGEABLE
Coupling,pipe
Cleveland Service Center
5950-01-330-0567678-0511-010 INTERCHANGEABLE
Reactor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Cross-Reference Index
Part NumberManufacturer
27327 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
27327 Honeywell International, Inc Div Aerospace-Tucson (USA)
27327 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
27327 PRIMARY Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
Related Parts
5342-00-171-2674INTERCHANGEABLE
LATCH,EYE
5310-00-197-8822INTERCHANGEABLE
WASHER,FLAT
5950-00-673-7358INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5330-00-842-1313INTERCHANGEABLE
SEAL,PLAIN ENCASED
1040-00-938-8963INTERCHANGEABLE
INDICATOR ASSY,HEAT
54A50B307
4730-01-170-0777INTERCHANGEABLE
COUPLING,PIPE
0062120-030
5950-01-330-0567INTERCHANGEABLE
REACTOR
678-0511-010

Frequently Asked Questions

What is NSN 5977-00-090-3383?

NSN 5977-00-090-3383 is a Arm,electrical Contact Brush, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5977 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5977-00-090-3383?

NSN 5977-00-090-3383 has 4 cross-referenced part numbers: 27327 (Allied Signal Inc Aerospace Equipment Systems Eatontown Site), 27327 (Honeywell International, Inc Div Aerospace-Tucson), 27327 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems), 27327 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).

What NSN replaces 5977-00-090-3383?

There are 7 known substitutes for 5977-00-090-3383: 5342-00-171-2674, 5310-00-197-8822, 5950-00-673-7358 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27327?

Key specifications for 27327: Material: COPPER ALLOY; Overall Width: 0.236 INCHES NOMINAL IN; Overall Depth: 0.375 INCHES NOMINAL IN; Overall Length: 0.843 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5977-00-090-3383 still in active supply?

NSN 5977-00-090-3383 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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