PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

120725Brush,electrical Contact

Arnold a Semler Inc · NSN 5977-00-212-6228 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-212-6228 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-212-6228. Primary manufacturer part number: 120725.
Features
  • Brush,electrical Contact — FSC 5977
  • Body Style: RECTANGULAR COMMUTATOR
  • Thickness: 0.370 INCHES NOMINAL IN
  • Length: 1.312 INCHES NOMINAL IN
  • Width: 0.620 INCHES NOMINAL IN
  • Shunt Insulation Provision and Quantity: 1 UNINSULATED
  • Top Style: FLAT
  • Material: CARBON
Applications
  • Applications requiring Carbon construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-212-6228, 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 Arnold a Semler Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-212-6228
Primary Part Number120725
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerArnold a Semler Inc
StatusACTIVE
Body StyleRECTANGULAR COMMUTATOR
Thickness0.370 INCHES NOMINAL IN
Length1.312 INCHES NOMINAL IN
Width0.620 INCHES NOMINAL IN
Shunt Insulation Provision and Quantity1 UNINSULATED
Top StyleFLAT
MaterialCARBON
Shunt Position Designator3
Terminal Type and Quantity1 YOKE W/SLOT
Contact Face StyleCONCAVE
Style DesignatorONE PIECE
Brush Shunt Length1.656 INCHES NOMINAL SINGLE SHUNT IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4140-00-277-1531120-725 INTERCHANGEABLE
Impeller,fan,centrifugal
Philips Industries Inc
5998-01-043-9388627221322-001 INTERCHANGEABLE
Holder,electrical Card
Lockheed Martin Corporation
6130-01-551-7040120725 INTERCHANGEABLE
Power Supply
Leidos, Inc.
Cross-Reference Index
Part NumberManufacturer
120725 Arnold a Semler Inc (USA)
Related Parts
4140-00-277-1531INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
120-725
5998-01-043-9388INTERCHANGEABLE
HOLDER,ELECTRICAL CARD
627221322-001
6130-01-551-7040INTERCHANGEABLE
POWER SUPPLY
120725

Frequently Asked Questions

What is NSN 5977-00-212-6228?

NSN 5977-00-212-6228 is a Brush,electrical Contact, manufactured by Arnold a Semler Inc, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-212-6228?

NSN 5977-00-212-6228 has 1 cross-referenced part number: 120725 (Arnold a Semler Inc).

What NSN replaces 5977-00-212-6228?

There are 3 known substitutes for 5977-00-212-6228: 4140-00-277-1531, 5998-01-043-9388, 6130-01-551-7040. Verify interchangeability with system specifications before substitution.

What are the specifications of 120725?

Key specifications for 120725: Body Style: RECTANGULAR COMMUTATOR; Thickness: 0.370 INCHES NOMINAL IN; Length: 1.312 INCHES NOMINAL IN; Width: 0.620 INCHES NOMINAL IN. 12 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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