PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21022Adapter,insulator

Science Applications International Corporation · NSN 5970-01-388-2646 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-388-2646 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-388-2646. Primary manufacturer part number: 21022.
Features
  • Adapter,insulator — FSC 5970
  • 1 verified cross-reference
  • Primary manufacturer: Science Applications International Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Adapter,insulator, cataloged under National Stock Number 5970-01-388-2646, 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 Science Applications International Corporation. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameAdapter,insulator
FSC / FSG5970 — No Item Name Available (FSG 59)
ManufacturersScience Applications International Corporation (CAGE 60595)
Technical Specifications
ParameterValue
NSN5970-01-388-2646
Primary Part Number21022
Item NameAdapter,insulator
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerScience Applications International Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2990-00-019-610610569N INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
5330-00-074-10271181905 INTERCHANGEABLE
Gasket
Chrysler Realty Company Llc Dba Daimler Chrysler
5905-00-088-1673210-22 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Keysight Technologies Inc
2520-00-403-713221022 INTERCHANGEABLE
Coller,oil
Cummins Inc.
5970-00-442-059221022 INTERCHANGEABLE
Insulator,bushing
Magnetika Inc
6160-00-759-521410-30331 INTERCHANGEABLE
Tray,battery
The Boeing Company Div Defense
4940-00-916-975821022 INTERCHANGEABLE
Degreaser
Fluid Conditioning Products, Inc.
7035-01-095-827621022 INTERCHANGEABLE
Cover,top
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5962-01-108-7136 INTERCHANGEABLE
Microcircuit,digital
5120-01-122-2954 INTERCHANGEABLE
Inserter and Remover,bearing and
Cross-Reference Index
Part NumberManufacturer
21022 PRIMARY Science Applications International Corporation (USA)
Related Parts
2990-00-019-6106INTERCHANGEABLE
MUFFLER,EXHAUST
10569N
5330-00-074-1027INTERCHANGEABLE
GASKET
1181905
5905-00-088-1673INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
210-22
2520-00-403-7132INTERCHANGEABLE
COLLER,OIL
21022
5970-00-442-0592INTERCHANGEABLE
INSULATOR,BUSHING
21022
6160-00-759-5214INTERCHANGEABLE
TRAY,BATTERY
10-30331
4940-00-916-9758INTERCHANGEABLE
DEGREASER
21022
7035-01-095-8276INTERCHANGEABLE
COVER,TOP
21022
5962-01-108-7136INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5120-01-122-2954INTERCHANGEABLE
INSERTER AND REMOVER,BEARING AND
5961-01-315-9730INTERCHANGEABLE
SEMICONDUCTOR DEVICE,PHOTO
5340-01-386-2109INTERCHANGEABLE
CATCH,FLUSH
2-1022

Frequently Asked Questions

What is NSN 5970-01-388-2646?

NSN 5970-01-388-2646 is a Adapter,insulator, manufactured by Science Applications International Corporation, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-388-2646?

NSN 5970-01-388-2646 has 1 cross-referenced part number: 21022 (Science Applications International Corporation).

What NSN replaces 5970-01-388-2646?

There are 12 known substitutes for 5970-01-388-2646: 2990-00-019-6106, 5330-00-074-1027, 5905-00-088-1673 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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