PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1183-51Insulator,bushing

Avtechtyee Inc Dba Avtech · NSN 5970-00-270-1050 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-270-1050 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-270-1050. Primary manufacturer part number: 1183-51.
Features
  • Insulator,bushing — FSC 5970
  • Material: PLASTIC POLYAMIDE NYLON OVERALL
  • Outside Diameter: 0.500 INCHES NOMINAL IN
  • Style Designator: TAPERED
  • First Counterbore Diameter: 0.281 INCHES NOMINAL IN
  • Inside Diameter: 0.156 INCHES NOMINAL IN
  • Flange Thickness: 0.050 INCHES NOMINAL IN
  • 1 verified cross-reference
Applications
  • Applications requiring Plastic Polyamide Nylon Overall construction
General Description

The Insulator,bushing, cataloged under National Stock Number 5970-00-270-1050, 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 Avtechtyee Inc Dba Avtech. Government technical data includes 6 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-00-270-1050
Primary Part Number1183-51
Item NameInsulator,bushing
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerAvtechtyee Inc Dba Avtech
StatusACTIVE
MaterialPLASTIC POLYAMIDE NYLON OVERALL
Outside Diameter0.500 INCHES NOMINAL IN
Style DesignatorTAPERED
First Counterbore Diameter0.281 INCHES NOMINAL IN
Inside Diameter0.156 INCHES NOMINAL IN
Flange Thickness0.050 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-492-2749 INTERCHANGEABLE
Gasket
5360-00-711-3668542-8414-002 INTERCHANGEABLE
Spring,flat
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5330-00-737-5110117066 INTERCHANGEABLE
Gasket
Am General Llc
7690-01-154-9618 INTERCHANGEABLE
Marker,identification
Cross-Reference Index
Part NumberManufacturer
1183-51 PRIMARY Avtechtyee Inc Dba Avtech (USA)
Related Parts
5330-00-492-2749INTERCHANGEABLE
GASKET
5360-00-711-3668INTERCHANGEABLE
SPRING,FLAT
542-8414-002
5330-00-737-5110INTERCHANGEABLE
GASKET
117066
7690-01-154-9618INTERCHANGEABLE
MARKER,IDENTIFICATION

Frequently Asked Questions

What is NSN 5970-00-270-1050?

NSN 5970-00-270-1050 is a Insulator,bushing, manufactured by Avtechtyee Inc Dba Avtech, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-270-1050?

NSN 5970-00-270-1050 has 1 cross-referenced part number: 1183-51 (Avtechtyee Inc Dba Avtech).

What NSN replaces 5970-00-270-1050?

There are 4 known substitutes for 5970-00-270-1050: 5330-00-492-2749, 5360-00-711-3668, 5330-00-737-5110 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1183-51?

Key specifications for 1183-51: Material: PLASTIC POLYAMIDE NYLON OVERALL; Outside Diameter: 0.500 INCHES NOMINAL IN; Overall Height: 0.200 INCHES NOMINAL IN; Style Designator: TAPERED. 7 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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