PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

903-230Insulator,bushing

Bivar Inc · NSN 5970-01-257-4274 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-257-4274 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-257-4274. Primary manufacturer part number: 903-230.
Features
  • Insulator,bushing — FSC 5970
  • Outside Diameter: 0.156 INCHES NOMINAL IN
  • End Configuration: BOTH ENDS SQUARED
  • Inside Diameter: 0.047 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL
  • Material: PLASTIC POLYAMIDE NYLON OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Bivar Inc
Applications
  • Applications requiring Plastic Polyamide Nylon Overall construction
General Description

The Insulator,bushing, cataloged under National Stock Number 5970-01-257-4274, 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 Bivar Inc. Government technical data includes 5 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-01-257-4274
Primary Part Number903-230
Item NameInsulator,bushing
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerBivar Inc
StatusACTIVE
Outside Diameter0.156 INCHES NOMINAL IN
End ConfigurationBOTH ENDS SQUARED
Inside Diameter0.047 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
MaterialPLASTIC POLYAMIDE NYLON OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6515-00-361-980090-3230 INTERCHANGEABLE
Retractor,vaginal
Sklar Corporation Dba Sklar Instruments
1560-01-653-732890-3230 INTERCHANGEABLE
Rib,stiffener,aircraft
The Boeing Company Div Legacy Wichita
Cross-Reference Index
Part NumberManufacturer
903-230 PRIMARY Bivar Inc (USA)
Related Parts
6515-00-361-9800INTERCHANGEABLE
RETRACTOR,VAGINAL
90-3230
1560-01-653-7328INTERCHANGEABLE
RIB,STIFFENER,AIRCRAFT
90-3230

Frequently Asked Questions

What is NSN 5970-01-257-4274?

NSN 5970-01-257-4274 is a Insulator,bushing, manufactured by Bivar Inc, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-257-4274?

NSN 5970-01-257-4274 has 1 cross-referenced part number: 903-230 (Bivar Inc).

What NSN replaces 5970-01-257-4274?

There are 2 known substitutes for 5970-01-257-4274: 6515-00-361-9800, 1560-01-653-7328. Verify interchangeability with system specifications before substitution.

What are the specifications of 903-230?

Key specifications for 903-230: Outside Diameter: 0.156 INCHES NOMINAL IN; End Configuration: BOTH ENDS SQUARED; Inside Diameter: 0.047 INCHES NOMINAL IN; Style Designator: CYLINDRICAL. 6 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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