PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B4945Insulator,plate

Nsgdatacom Inc · NSN 5970-01-242-5977 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-242-5977 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-242-5977. Primary manufacturer part number: B4945.
Features
  • Insulator,plate — FSC 5970
  • Style Designator: FLAT, RECTANGULAR
  • Material: FIBERGLASS OVERALL
  • First Slot Depth: 0.625 INCHES NOMINAL IN
  • First Hole Diameter: 0.109 INCHES NOMINAL IN
  • First Hole Spacing: 0.156 INCHES NOMINAL IN
  • First Slot Width: 2.812 INCHES NOMINAL IN
  • Second Hole Spacing: 2.450 INCHES NOMINAL IN
Applications
  • Applications requiring Fiberglass Overall construction
General Description

The Insulator,plate, cataloged under National Stock Number 5970-01-242-5977, is classified within Federal Supply Class 5970 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Nsgdatacom Inc. Government technical data includes 7 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-01-242-5977
Primary Part NumberB4945
Item NameInsulator,plate
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerNsgdatacom Inc
StatusACTIVE
Style DesignatorFLAT, RECTANGULAR
MaterialFIBERGLASS OVERALL
First Slot Depth0.625 INCHES NOMINAL IN
First Hole Diameter0.109 INCHES NOMINAL IN
First Hole Spacing0.156 INCHES NOMINAL IN
First Slot Width2.812 INCHES NOMINAL IN
Second Hole Spacing2.450 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-156-4829104184-9 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
B4945 PRIMARY Nsgdatacom Inc (USA)
Related Parts
3110-00-156-4829INTERCHANGEABLE
BEARING,BALL,ANNULAR
104184-9

Frequently Asked Questions

What is NSN 5970-01-242-5977?

NSN 5970-01-242-5977 is a Insulator,plate, manufactured by Nsgdatacom Inc, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-242-5977?

NSN 5970-01-242-5977 has 1 cross-referenced part number: B4945 (Nsgdatacom Inc).

What NSN replaces 5970-01-242-5977?

There is 1 known substitute for 5970-01-242-5977: 3110-00-156-4829. Verify interchangeability with system specifications before substitution.

What are the specifications of B4945?

Key specifications for B4945: Style Designator: FLAT, RECTANGULAR; Material: FIBERGLASS OVERALL; Overall Length: 11.800 INCHES NOMINAL IN; First Slot Depth: 0.625 INCHES NOMINAL IN. 11 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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