PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21140Insulator,strain

Science Applications International Corporation · NSN 5970-01-298-0354 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-298-0354 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-298-0354. Primary manufacturer part number: 21140.
Features
  • Insulator,strain — 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 Insulator,strain, cataloged under National Stock Number 5970-01-298-0354, 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 NameInsulator,strain
FSC / FSG5970 — No Item Name Available (FSG 59)
ManufacturersScience Applications International Corporation (CAGE 60595)
Technical Specifications
ParameterValue
NSN5970-01-298-0354
Primary Part Number21140
Item NameInsulator,strain
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerScience Applications International Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-164-425021-140CA INTERCHANGEABLE
Terminal Board
Cinch Connectivity Solutions Inc.
5315-00-248-9385PM-21140 INTERCHANGEABLE
Pin,straight,headless
Mason Electric Co. Dba Mason Controls
2920-00-474-9843A326167 INTERCHANGEABLE
Flyweight
U S Army Tank Automotive Command Amsta-Im-Mm
5930-00-548-8471149455QHC INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
5977-00-636-1379 INTERCHANGEABLE
Brush,electrical Contact
5905-00-930-71870839-0022 INTERCHANGEABLE
Resistor,thermal
Keysight Technologies Inc
5910-01-126-4735SM-D-414173 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-01-157-540421140 INTERCHANGEABLE
Gland,packing
Industrial Technologies and Services Llc
5325-01-358-7963 INTERCHANGEABLE
Ring,retaining
4820-01-416-164721140-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21140 PRIMARY Science Applications International Corporation (USA)
Related Parts
5940-00-164-4250INTERCHANGEABLE
TERMINAL BOARD
21-140CA
5315-00-248-9385INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
PM-21140
2920-00-474-9843INTERCHANGEABLE
FLYWEIGHT
A326167
5930-00-548-8471INTERCHANGEABLE
SWITCH,ROTARY
149455QHC
5977-00-636-1379INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5905-00-930-7187INTERCHANGEABLE
RESISTOR,THERMAL
0839-0022
5910-01-126-4735INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
SM-D-414173
5330-01-157-5404INTERCHANGEABLE
GLAND,PACKING
21140
5325-01-358-7963INTERCHANGEABLE
RING,RETAINING
4820-01-416-1647INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21140-001
4730-01-419-7087INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
21317-1018-18
4820-01-423-8769INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
21106-850-2

Frequently Asked Questions

What is NSN 5970-01-298-0354?

NSN 5970-01-298-0354 is a Insulator,strain, manufactured by Science Applications International Corporation, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-298-0354?

NSN 5970-01-298-0354 has 1 cross-referenced part number: 21140 (Science Applications International Corporation).

What NSN replaces 5970-01-298-0354?

There are 12 known substitutes for 5970-01-298-0354: 5940-00-164-4250, 5315-00-248-9385, 2920-00-474-9843 and 9 more. Verify interchangeability with system specifications before substitution.

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