PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TYPEIN53-3G553Insulator,knob

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5970-00-280-4918 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-280-4918 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-280-4918. Primary manufacturer part number: TYPEIN53-3G553.
Features
  • Insulator,knob — FSC 5970
  • Mounting Hole Diameter: 0.375 INCHES NOMINAL IN
  • First Slot Width: 0.375 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S)
  • Side Length: 1.000 INCHES NOMINAL IN
  • First Slot Depth: 0.250 INCHES NOMINAL IN
  • Material: PORCELAIN OVERALL
  • Style Designator: CYLINDRICAL, SOLID
Applications
  • Applications requiring Porcelain Overall construction
General Description

The Insulator,knob, cataloged under National Stock Number 5970-00-280-4918, 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 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-00-280-4918
Primary Part NumberTYPEIN53-3G553
Item NameInsulator,knob
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Mounting Hole Diameter0.375 INCHES NOMINAL IN
First Slot Width0.375 INCHES NOMINAL IN
Mounting Facility Type and Quantity1 UNTHREADED HOLE(S)
Side Length1.000 INCHES NOMINAL IN
First Slot Depth0.250 INCHES NOMINAL IN
MaterialPORCELAIN OVERALL
Style DesignatorCYLINDRICAL, SOLID
Nondefinitive Spec/std Data1 CLASS AND 4 SIZE AND III TYPE
Outside Diameter1.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5970-00-042-1533C29.6-56-1 INTERCHANGEABLE
Insulator,pin
American National Standards Institute Incorporated Dba American National Standards Institute
5970-00-082-3335C29-3CLASS53-2 INTERCHANGEABLE
Insulator,strain
American National Standards Institute Incorporated Dba American National Standards Institute
5970-00-178-1188 INTERCHANGEABLE
Insulator,knob
5970-00-223-2518 INTERCHANGEABLE
Insulator,standoff
5970-00-224-4269 INTERCHANGEABLE
Insulator,suspension
5970-00-250-29986300-0014-001 INTERCHANGEABLE
Insulator,strain
Antenna Products Corporation Dba Antenna Products Corp
5970-00-250-3000 INTERCHANGEABLE
Insulator,strain
5970-00-263-6885CLASS 55-2 INTERCHANGEABLE
Insulator,pin
American National Standards Institute Incorporated Dba American National Standards Institute
5970-00-263-6888 INTERCHANGEABLE
Insulator,knob
5970-00-280-8922C29-5-55-2 INTERCHANGEABLE
Insulator,pin
American National Standards Institute Incorporated Dba American National Standards Institute
Cross-Reference Index
Part NumberManufacturer
TYPEIN53-3G553 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
HH-I-435 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5970-00-042-1533INTERCHANGEABLE
INSULATOR,PIN
C29.6-56-1
5970-00-082-3335INTERCHANGEABLE
INSULATOR,STRAIN
C29-3CLASS53-2
5970-00-178-1188INTERCHANGEABLE
INSULATOR,KNOB
5970-00-223-2518INTERCHANGEABLE
INSULATOR,STANDOFF
5970-00-224-4269INTERCHANGEABLE
INSULATOR,SUSPENSION
5970-00-250-2998INTERCHANGEABLE
INSULATOR,STRAIN
6300-0014-001
5970-00-250-3000INTERCHANGEABLE
INSULATOR,STRAIN
5970-00-263-6885INTERCHANGEABLE
INSULATOR,PIN
CLASS 55-2
5970-00-263-6888INTERCHANGEABLE
INSULATOR,KNOB
5970-00-280-8922INTERCHANGEABLE
INSULATOR,PIN
C29-5-55-2
5970-00-284-8577INTERCHANGEABLE
INSULATOR,CLEAT
5970-00-284-9163INTERCHANGEABLE
INSULATOR,STANDOFF

Frequently Asked Questions

What is NSN 5970-00-280-4918?

NSN 5970-00-280-4918 is a Insulator,knob, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-280-4918?

NSN 5970-00-280-4918 has 2 cross-referenced part numbers: TYPEIN53-3G553 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), HH-I-435 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5970-00-280-4918?

There are 12 known substitutes for 5970-00-280-4918: 5970-00-042-1533, 5970-00-082-3335, 5970-00-178-1188 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TYPEIN53-3G553?

Key specifications for TYPEIN53-3G553: Mounting Hole Diameter: 0.375 INCHES NOMINAL IN; First Slot Width: 0.375 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S); Side Length: 1.000 INCHES NOMINAL IN. 9 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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