PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RB146MHolder Assembly,electrical Conta

Superior Electric Holding Group Llc Div Specialty Product Technologies · NSN 5977-01-154-9619 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-01-154-9619 — this item is cataloged by the U.S. Government under National Stock Number 5977-01-154-9619. Primary manufacturer part number: RB146M.
Features
  • Holder Assembly,electrical Conta — FSC 5977
  • Holder Quantity Per Assembly: 2
  • Specific Equipment Accommodated: POWERSTAT VARIABLE TRANSFORMER 146-1013
  • 3 verified cross-references
  • Primary manufacturer: Superior Electric Holding Group Llc Div Specialty Product Technologies
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Holder Assembly,electrical Conta, cataloged under National Stock Number 5977-01-154-9619, 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 Superior Electric Holding Group Llc Div Specialty Product Technologies. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-01-154-9619
Primary Part NumberRB146M
Item NameHolder Assembly,electrical Conta
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerSuperior Electric Holding Group Llc Div Specialty Product Technologies
StatusACTIVE
Holder Quantity Per Assembly2
Specific Equipment AccommodatedPOWERSTAT VARIABLE TRANSFORMER 146-1013
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-01-155-0505L04909 INTERCHANGEABLE
Transformer,power
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
Cross-Reference Index
Part NumberManufacturer
BHP176027G2 Superior Electric Holding Group Llc Div Specialty Product Technologies (USA)
RB146M PRIMARY Superior Electric Holding Group Llc Div Specialty Product Technologies (USA)
6999ED929 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
Related Parts
5950-01-155-0505INTERCHANGEABLE
TRANSFORMER,POWER
L04909

Frequently Asked Questions

What is NSN 5977-01-154-9619?

NSN 5977-01-154-9619 is a Holder Assembly,electrical Conta, manufactured by Superior Electric Holding Group Llc Div Specialty Product Technologies, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-01-154-9619?

NSN 5977-01-154-9619 has 3 cross-referenced part numbers: BHP176027G2 (Superior Electric Holding Group Llc Div Specialty Product Technologies), RB146M (Superior Electric Holding Group Llc Div Specialty Product Technologies), 6999ED929 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc).

What NSN replaces 5977-01-154-9619?

There is 1 known substitute for 5977-01-154-9619: 5950-01-155-0505. Verify interchangeability with system specifications before substitution.

What are the specifications of RB146M?

Key specifications for RB146M: Holder Quantity Per Assembly: 2; Specific Equipment Accommodated: POWERSTAT VARIABLE TRANSFORMER 146-1013. 2 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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