PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CLASS 55-2Insulator,pin

American National Standards Institute Incorporated Dba American National Standards Institute · NSN 5970-00-263-6885 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-263-6885 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-263-6885. Primary manufacturer part number: CLASS 55-2.
Features
  • Insulator,pin — FSC 5970
  • Pinhole Diameter: 1.000 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: 2 CLASS AND 4 SIZE AND II TYPE
  • Style Designator: PETTICOAT
  • Material: PORCELAIN OVERALL
  • Radial Groove Radius: 0.750 INCHES NOMINAL IN
  • Pin Hole Depth: 1.500 INCHES NOMINAL IN
  • Top Wire Groove Radius: 0.750 INCHES NOMINAL IN
Applications
  • Applications requiring Porcelain Overall construction
General Description

The Insulator,pin, cataloged under National Stock Number 5970-00-263-6885, 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 American National Standards Institute Incorporated Dba American National Standards Institute. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN5970-00-263-6885
Primary Part NumberCLASS 55-2
Item NameInsulator,pin
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerAmerican National Standards Institute Incorporated Dba American National Standards Institute
StatusACTIVE
Pinhole Diameter1.000 INCHES NOMINAL IN
Nondefinitive Spec/std Data2 CLASS AND 4 SIZE AND II TYPE
Style DesignatorPETTICOAT
MaterialPORCELAIN OVERALL
Radial Groove Radius0.750 INCHES NOMINAL IN
Pin Hole Depth1.500 INCHES NOMINAL IN
Top Wire Groove Radius0.750 INCHES NOMINAL IN
Outside Diameter3.625 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
5970-00-263-6888 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
ANSI C29.5 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
HH-I-435 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
CLASS 55-2 PRIMARY American National Standards Institute Incorporated Dba American National Standards Institute (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
5970-00-263-6888INTERCHANGEABLE
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 5970-00-263-6885?

NSN 5970-00-263-6885 is a Insulator,pin, manufactured by American National Standards Institute Incorporated Dba American National Standards Institute, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-263-6885?

NSN 5970-00-263-6885 has 3 cross-referenced part numbers: ANSI C29.5 (American National Standards Institute Incorporated Dba American National Standards Institute), HH-I-435 (Federal Specifications Promulgated by General Services Administration Washington DC), CLASS 55-2 (American National Standards Institute Incorporated Dba American National Standards Institute).

What NSN replaces 5970-00-263-6885?

There are 12 known substitutes for 5970-00-263-6885: 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 CLASS 55-2?

Key specifications for CLASS 55-2: Pinhole Diameter: 1.000 INCHES NOMINAL IN; Nondefinitive Spec/std Data: 2 CLASS AND 4 SIZE AND II TYPE; Style Designator: PETTICOAT; Material: PORCELAIN OVERALL. 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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