PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20128-1Insulator,bushing

Fisica Applied Technologies, Inc. Div Randtron Antenna Systems · NSN 5970-00-544-0797 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-544-0797 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-544-0797. Primary manufacturer part number: 20128-1.
Features
  • Insulator,bushing — FSC 5970
  • Shank Outside Diameter: 2.170 INCHES NOMINAL IN
  • Style Designator: SHOULDER
  • Material Document and Classification: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
  • Shank Height: 4.200 INCHES NOMINAL IN
  • Outside Diameter: 2.230 INCHES NOMINAL IN
  • Inside Diameter: 2.090 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic Polytetrafluoroethylene Overall construction
General Description

The Insulator,bushing, cataloged under National Stock Number 5970-00-544-0797, 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 Fisica Applied Technologies, Inc. Div Randtron Antenna Systems. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-00-544-0797
Primary Part Number20128-1
Item NameInsulator,bushing
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerFisica Applied Technologies, Inc. Div Randtron Antenna Systems
StatusACTIVE
Shank Outside Diameter2.170 INCHES NOMINAL IN
Style DesignatorSHOULDER
Material Document and ClassificationAMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Shank Height4.200 INCHES NOMINAL IN
Outside Diameter2.230 INCHES NOMINAL IN
Inside Diameter2.090 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6105-01-105-5054 INTERCHANGEABLE
Motor,stepping
5995-01-220-5602 INTERCHANGEABLE
Lead,electrical
Cross-Reference Index
Part NumberManufacturer
20128-1 PRIMARY Fisica Applied Technologies, Inc. Div Randtron Antenna Systems (USA)
Related Parts
6105-01-105-5054INTERCHANGEABLE
MOTOR,STEPPING
5995-01-220-5602INTERCHANGEABLE
LEAD,ELECTRICAL

Frequently Asked Questions

What is NSN 5970-00-544-0797?

NSN 5970-00-544-0797 is a Insulator,bushing, manufactured by Fisica Applied Technologies, Inc. Div Randtron Antenna Systems, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-544-0797?

NSN 5970-00-544-0797 has 1 cross-referenced part number: 20128-1 (Fisica Applied Technologies, Inc. Div Randtron Antenna Systems).

What NSN replaces 5970-00-544-0797?

There are 2 known substitutes for 5970-00-544-0797: 6105-01-105-5054, 5995-01-220-5602. Verify interchangeability with system specifications before substitution.

What are the specifications of 20128-1?

Key specifications for 20128-1: Shank Outside Diameter: 2.170 INCHES NOMINAL IN; Style Designator: SHOULDER; Material Document and Classification: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com