PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9B6556Brush Set,electrical Contact

Caterpillar Inc Div Caterpillar Defense · NSN 5977-00-285-0022 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-285-0022 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-285-0022. Primary manufacturer part number: 9B6556.
Features
  • Brush Set,electrical Contact — FSC 5977
  • Component Quantity: 2
  • Document Identification: G010012281
  • Document Source: 35510
  • Document Type: INDUSTRIAL DRAWING
  • Component Document Origin: INDUSTRIAL
  • 5 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Brush Set,electrical Contact, cataloged under National Stock Number 5977-00-285-0022, 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 Caterpillar Inc Div Caterpillar Defense. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-285-0022
Primary Part Number9B6556
Item NameBrush Set,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Component Quantity2
Document IdentificationG010012281
Document Source35510
Document TypeINDUSTRIAL DRAWING
Component Document OriginINDUSTRIAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5133-00-228-1366 INTERCHANGEABLE
Drill,twist
4810-00-787-060812281 INTERCHANGEABLE
Seat,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5340-00-985-0835MS35812-7 INTERCHANGEABLE
Clevis,rod End
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
6645-01-010-374612281 INTERCHANGEABLE
Screw,access,case
Aerosonic Llc
6615-01-159-9149 INTERCHANGEABLE
Gyroscope,rate
4730-01-517-344512281 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Heil Trailer International Llc
Cross-Reference Index
Part NumberManufacturer
9B6556 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
12281 PRIMARY Kalmar AC Inc (USA)
MB13144 Morganite Inc (USA)
12281 Prestolite Electric Inc (USA)
G010012281 Prestolite Electric Inc (USA)
Related Parts
5133-00-228-1366INTERCHANGEABLE
DRILL,TWIST
4810-00-787-0608INTERCHANGEABLE
SEAT,VALVE
12281
5340-00-985-0835INTERCHANGEABLE
CLEVIS,ROD END
MS35812-7
6645-01-010-3746INTERCHANGEABLE
SCREW,ACCESS,CASE
12281
6615-01-159-9149INTERCHANGEABLE
GYROSCOPE,RATE
4730-01-517-3445INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
12281

Frequently Asked Questions

What is NSN 5977-00-285-0022?

NSN 5977-00-285-0022 is a Brush Set,electrical Contact, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-285-0022?

NSN 5977-00-285-0022 has 5 cross-referenced part numbers: 9B6556 (Caterpillar Inc Div Caterpillar Defense), 12281 (Kalmar AC Inc), MB13144 (Morganite Inc), 12281 (Prestolite Electric Inc), G010012281 (Prestolite Electric Inc).

What NSN replaces 5977-00-285-0022?

There are 6 known substitutes for 5977-00-285-0022: 5133-00-228-1366, 4810-00-787-0608, 5340-00-985-0835 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9B6556?

Key specifications for 9B6556: Component Quantity: 2; Special Features: COMPONENT DOCUMENT ORIGIN INDUSTRIAL; DOCUMENT SOURCE FSCM 30612 AND FSCM 11083,RESPECTIVELY; DOCUMENT TYPE INDUSTRIAL DWG; DOCUMENT IDENTIFICATION 12281 AND 9B6556,RESPECTIVELY; Document Identification: G010012281; Document Source: 35510. 6 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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