PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1Insulator,bushing

Graybar Electric Company, Inc. Dba Graybar Electric · NSN 5970-00-284-8796 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-284-8796 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-284-8796. Primary manufacturer part number: A1.
Features
  • Insulator,bushing — FSC 5970
  • Shank Height: 0.562 INCHES NOMINAL IN
  • Screw Thread Diameter and Location: 0.800 SHANK INCHES NOMINAL BASE
  • Screw Thread Quantity Per Inch and Location: 6 SHANK BASE
  • Outside Diameter: 1.125 INCHES NOMINAL IN
  • Identification Code Color: WHITE
  • Material: PORCELAIN OVERALL
  • Style Designator: THREADED
Applications
  • Applications requiring Porcelain Overall construction
General Description

The Insulator,bushing, cataloged under National Stock Number 5970-00-284-8796, 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 Graybar Electric Company, Inc. Dba Graybar Electric. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5970-00-284-8796
Primary Part NumberA1
Item NameInsulator,bushing
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerGraybar Electric Company, Inc. Dba Graybar Electric
StatusCANCELLED
Shank Height0.562 INCHES NOMINAL IN
Screw Thread Diameter and Location0.800 SHANK INCHES NOMINAL BASE
Screw Thread Quantity Per Inch and Location6 SHANK BASE
Outside Diameter1.125 INCHES NOMINAL IN
Identification Code ColorWHITE
MaterialPORCELAIN OVERALL
Style DesignatorTHREADED
Inside Diameter0.516 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5330-00-016-8438A212 INTERCHANGEABLE
Packing,preformed
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division
6340-00-347-4713A21-1C INTERCHANGEABLE
Control Assy,warnin
Honeywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial
4820-00-369-7438OCR19-XR INTERCHANGEABLE
Valve,angle
Brass Craft Mfg Co Sub of Masco Corp
5315-00-805-5290A2-12 INTERCHANGEABLE
Pin,straight,headless
Roller Bearing Co of America, Inc Div Pic Design
5340-00-840-1643SC2-1-2 INTERCHANGEABLE
Cap,protective,dust and Moisture
Caplugs Llc Dba Mokon Div Caplugs
5950-01-035-4724A212 INTERCHANGEABLE
Coil,radio Frequency
International Microwave Corp
5945-01-041-0267A21-2 INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
3426-01-242-79621300 5060 INTERCHANGEABLE
Anode,plating
Sifco Applied Surface Concepts, Llc
6545-01-524-4433A212 INTERCHANGEABLE
Physical Therapy Long Shelf Life
Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa
Cross-Reference Index
Part NumberManufacturer
A1 PRIMARY Graybar Electric Company, Inc. Dba Graybar Electric (USA)
A2 1-2 American Telephone and Telegraph Co (USA)
A2 1-2 Lucent Technologies Inc Corporate Headquarters (USA)
A2 1-2 At and T Corp (USA)
Related Parts
5330-00-016-8438INTERCHANGEABLE
PACKING,PREFORMED
A212
6340-00-347-4713INTERCHANGEABLE
CONTROL ASSY,WARNIN
A21-1C
4820-00-369-7438INTERCHANGEABLE
VALVE,ANGLE
OCR19-XR
5315-00-805-5290INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
A2-12
5340-00-840-1643INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
SC2-1-2
5950-01-035-4724INTERCHANGEABLE
COIL,RADIO FREQUENCY
A212
5945-01-041-0267INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
A21-2
3426-01-242-7962INTERCHANGEABLE
ANODE,PLATING
1300 5060
6545-01-524-4433INTERCHANGEABLE
PHYSICAL THERAPY LONG SHELF LIFE
A212

Frequently Asked Questions

What is NSN 5970-00-284-8796?

NSN 5970-00-284-8796 is a Insulator,bushing, manufactured by Graybar Electric Company, Inc. Dba Graybar Electric, classified under FSC 5970 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5970-00-284-8796?

NSN 5970-00-284-8796 has 4 cross-referenced part numbers: A1 (Graybar Electric Company, Inc. Dba Graybar Electric), A2 1-2 (American Telephone and Telegraph Co), A2 1-2 (Lucent Technologies Inc Corporate Headquarters), A2 1-2 (At and T Corp).

What NSN replaces 5970-00-284-8796?

There are 9 known substitutes for 5970-00-284-8796: 5330-00-016-8438, 6340-00-347-4713, 4820-00-369-7438 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A1?

Key specifications for A1: Shank Height: 0.562 INCHES NOMINAL IN; Screw Thread Diameter and Location: 0.800 SHANK INCHES NOMINAL BASE; Screw Thread Quantity Per Inch and Location: 6 SHANK BASE; Outside Diameter: 1.125 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5970-00-284-8796 still in active supply?

NSN 5970-00-284-8796 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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