PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HH-I-435Insulator,strain

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5970-00-250-3000 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-250-3000 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-250-3000. Primary manufacturer part number: HH-I-435.
Features
  • Insulator,strain — FSC 5970
  • Nondefinitive Spec/std Data: 1 TYPE AND 2 CLASS
  • Tapered Hole Major Diameter: 0.938 INCHES NOMINAL IN
  • Radial Groove Radius: 0.438 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S)
  • Radial Groove Diameter: 2.750 INCHES NOMINAL IN
  • Tapered Hole Depth: 1.000 INCHES NOMINAL IN
  • Style Designator: CORRUGATED, SPOOL
Applications
  • Applications requiring Porcelain Overall construction
General Description

The Insulator,strain, cataloged under National Stock Number 5970-00-250-3000, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 11 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-00-250-3000
Primary Part NumberHH-I-435
Item NameInsulator,strain
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Nondefinitive Spec/std Data1 TYPE AND 2 CLASS
Tapered Hole Major Diameter0.938 INCHES NOMINAL IN
Radial Groove Radius0.438 INCHES NOMINAL IN
Mounting Facility Type and Quantity1 UNTHREADED HOLE(S)
Radial Groove Diameter2.750 INCHES NOMINAL IN
Tapered Hole Depth1.000 INCHES NOMINAL IN
Style DesignatorCORRUGATED, SPOOL
Distance From Center to Edge2.062 INCHES NOMINAL FIRST IN
MaterialPORCELAIN OVERALL
Outside Diameter4.000 INCHES NOMINAL IN
Mounting Hole Diameter0.688 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
5970-00-263-6885CLASS 55-2 INTERCHANGEABLE
Insulator,pin
American National Standards Institute Incorporated Dba American National Standards Institute
5970-00-263-6888 INTERCHANGEABLE
Insulator,knob
5970-00-280-4918TYPEIN53-3G553 INTERCHANGEABLE
Insulator,knob
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
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
HH-I-435 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
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
5970-00-263-6885INTERCHANGEABLE
INSULATOR,PIN
CLASS 55-2
5970-00-263-6888INTERCHANGEABLE
INSULATOR,KNOB
5970-00-280-4918INTERCHANGEABLE
INSULATOR,KNOB
TYPEIN53-3G553
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 5970-00-250-3000?

NSN 5970-00-250-3000 is a Insulator,strain, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-250-3000?

NSN 5970-00-250-3000 has 1 cross-referenced part number: HH-I-435 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5970-00-250-3000?

There are 12 known substitutes for 5970-00-250-3000: 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 HH-I-435?

Key specifications for HH-I-435: Nondefinitive Spec/std Data: 1 TYPE AND 2 CLASS; Tapered Hole Major Diameter: 0.938 INCHES NOMINAL IN; Radial Groove Radius: 0.438 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S). 12 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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