PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RBT-G03Ring Assembly,electrical Contact

Insul-8 Corp · NSN 5977-01-518-3700 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-01-518-3700 — this item is cataloged by the U.S. Government under National Stock Number 5977-01-518-3700. Primary manufacturer part number: RBT-G03.
Features
  • Ring Assembly,electrical Contact — FSC 5977
  • Brush Quantity: 12
  • Contact Ring Quantity: 3
  • Brush Holder Quantity: 3
  • Brush Quantity Accommodated Per Holder: 4
  • 2 verified cross-references
  • Primary manufacturer: Insul-8 Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring Assembly,electrical Contact, cataloged under National Stock Number 5977-01-518-3700, 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 Insul-8 Corp. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5977-01-518-3700
Primary Part NumberRBT-G03
Item NameRing Assembly,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerInsul-8 Corp
StatusACTIVE
Brush Quantity12
Contact Ring Quantity3
Brush Holder Quantity3
Brush Quantity Accommodated Per Holder4
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3130-01-518-044730063 INTERCHANGEABLE
Housing,bearing Unit
Conductix Inc Div Conductix Wampfler
Cross-Reference Index
Part NumberManufacturer
RBT-G03 Insul-8 Corp (USA)
5000450P ITEM 7 Insul-8 Corp (USA)
Related Parts
3130-01-518-0447INTERCHANGEABLE
HOUSING,BEARING UNIT
30063

Frequently Asked Questions

What is NSN 5977-01-518-3700?

NSN 5977-01-518-3700 is a Ring Assembly,electrical Contact, manufactured by Insul-8 Corp, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-01-518-3700?

NSN 5977-01-518-3700 has 2 cross-referenced part numbers: RBT-G03 (Insul-8 Corp), 5000450P ITEM 7 (Insul-8 Corp).

What NSN replaces 5977-01-518-3700?

There is 1 known substitute for 5977-01-518-3700: 3130-01-518-0447. Verify interchangeability with system specifications before substitution.

What are the specifications of RBT-G03?

Key specifications for RBT-G03: End Item Identification: CABLE REELING MACHINE; Brush Quantity: 12; Contact Ring Quantity: 3; Brush Holder Quantity: 3. 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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