PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

241-1ALT1PC53Brush,electrical Contact

The Dewey Electronics Corporation Div Pitometer Log Division · NSN 5977-00-378-8635 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-378-8635 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-378-8635. Primary manufacturer part number: 241-1ALT1PC53.
Features
  • Brush,electrical Contact — FSC 5977
  • Material: GRAPHITE
  • Material Document and Classification: MORGANITE INC GRADE HM 6782 MFR REF SINGLE MATERIAL RESPONSE
  • Width: 0.750 INCHES NOMINAL IN
  • Bevel Depth: 0.156 INCHES NOMINAL IN
  • Style Designator: ONE PIECE
  • Terminal Type and Quantity: 1 STRAIGHT W/SLOT
  • Length: 1.187 INCHES NOMINAL IN
Applications
  • Applications requiring Graphite construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-378-8635, 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 The Dewey Electronics Corporation Div Pitometer Log Division. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 5 manufacturers, 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
NSN5977-00-378-8635
Primary Part Number241-1ALT1PC53
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerThe Dewey Electronics Corporation Div Pitometer Log Division
StatusACTIVE
MaterialGRAPHITE
Material Document and ClassificationMORGANITE INC GRADE HM 6782 MFR REF SINGLE MATERIAL RESPONSE
Width0.750 INCHES NOMINAL IN
Bevel Depth0.156 INCHES NOMINAL IN
Style DesignatorONE PIECE
Terminal Type and Quantity1 STRAIGHT W/SLOT
Length1.187 INCHES NOMINAL IN
Brush Shunt Length2.250 INCHES NOMINAL SINGLE SHUNT IN
Contact Face StyleFLAT
Shunt Insulation Provision and Quantity1 INSULATED
Terminal Slot Width0.187 INCHES NOMINAL IN
Top StyleFLAT WITH LEFT AND RIGHT EDGE BEVELED
Shunt Position Designator2
Thickness0.312 INCHES NOMINAL IN
Bevel Length0.156 INCHES NOMINAL IN
Body StyleRECTANGULAR COMMUTATOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5905-00-107-89390957-100HM INTERCHANGEABLE
Resistor,adjustable
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5815-00-127-2015 INTERCHANGEABLE
Bracket
5963-01-523-1659832-01B-PL REF DES A4 INTERCHANGEABLE
Electronic Module,standardized
Market Forge Industries Inc
Cross-Reference Index
Part NumberManufacturer
241-1ALT1PC53 The Dewey Electronics Corporation Div Pitometer Log Division (USA)
83305 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
19745-15GRADE6782 Ward Leonard Ct Llc (USA)
J60-0131 Ward Leonard Ct Llc (USA)
5645A5-6782 Ward Leonard Ct Llc (USA)
5645A5300W The Dewey Electronics Corporation Div Pitometer Log Division (USA)
5645A5-6782 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
01-06295-C Morganite Inc (USA)
MB6295B Morganite Inc (USA)
ANSI/NEMA PUB NO. CB1 National Electrical Mfrs Assn (USA)
Related Parts
5905-00-107-8939INTERCHANGEABLE
RESISTOR,ADJUSTABLE
0957-100HM
5815-00-127-2015INTERCHANGEABLE
BRACKET
5963-01-523-1659INTERCHANGEABLE
ELECTRONIC MODULE,STANDARDIZED
832-01B-PL REF DES A4

Frequently Asked Questions

What is NSN 5977-00-378-8635?

NSN 5977-00-378-8635 is a Brush,electrical Contact, manufactured by The Dewey Electronics Corporation Div Pitometer Log Division, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-378-8635?

NSN 5977-00-378-8635 has 10 cross-referenced part numbers: 241-1ALT1PC53 (The Dewey Electronics Corporation Div Pitometer Log Division), 83305 (Lockheed Martin Corporation Div Rms - Mitchel Field), 19745-15GRADE6782 (Ward Leonard Ct Llc), J60-0131 (Ward Leonard Ct Llc), 5645A5-6782 (Ward Leonard Ct Llc) and 5 more.

What NSN replaces 5977-00-378-8635?

There are 3 known substitutes for 5977-00-378-8635: 5905-00-107-8939, 5815-00-127-2015, 5963-01-523-1659. Verify interchangeability with system specifications before substitution.

What are the specifications of 241-1ALT1PC53?

Key specifications for 241-1ALT1PC53: Material: GRAPHITE; Material Document and Classification: MORGANITE INC GRADE HM 6782 MFR REF SINGLE MATERIAL RESPONSE; Width: 0.750 INCHES NOMINAL IN; Bevel Depth: 0.156 INCHES NOMINAL IN. 17 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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