PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3349Insulator,washer

Keystone Electronics Corp · NSN 5970-01-216-3398 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-216-3398 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-216-3398. Primary manufacturer part number: 3349.
Features
  • Insulator,washer — FSC 5970
  • Outside Diameter: 0.312 INCHES NOMINAL IN
  • Style Designator: ROUND, FLAT
  • Material: PLASTIC POLYAMIDE NYLON OVERALL
  • Inside Diameter: 0.140 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Keystone Electronics Corp
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polyamide Nylon Overall construction
General Description

The Insulator,washer, cataloged under National Stock Number 5970-01-216-3398, 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 Keystone Electronics Corp. Government technical data includes 4 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-01-216-3398
Primary Part Number3349
Item NameInsulator,washer
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerKeystone Electronics Corp
StatusACTIVE
Outside Diameter0.312 INCHES NOMINAL IN
Style DesignatorROUND, FLAT
MaterialPLASTIC POLYAMIDE NYLON OVERALL
Inside Diameter0.140 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6695-00-433-4932 INTERCHANGEABLE
Recorder,light-Time
5950-01-069-7188BR00447 INTERCHANGEABLE
Transformer,power
Sioux Corporation Dba Sioux Corp
5962-01-307-1015 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
3349 PRIMARY Keystone Electronics Corp (USA)
Related Parts
6695-00-433-4932INTERCHANGEABLE
RECORDER,LIGHT-TIME
5950-01-069-7188INTERCHANGEABLE
TRANSFORMER,POWER
BR00447
5962-01-307-1015INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 5970-01-216-3398?

NSN 5970-01-216-3398 is a Insulator,washer, manufactured by Keystone Electronics Corp, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-216-3398?

NSN 5970-01-216-3398 has 1 cross-referenced part number: 3349 (Keystone Electronics Corp).

What NSN replaces 5970-01-216-3398?

There are 3 known substitutes for 5970-01-216-3398: 6695-00-433-4932, 5950-01-069-7188, 5962-01-307-1015. Verify interchangeability with system specifications before substitution.

What are the specifications of 3349?

Key specifications for 3349: Outside Diameter: 0.312 INCHES NOMINAL IN; Style Designator: ROUND, FLAT; Material: PLASTIC POLYAMIDE NYLON OVERALL; Overall Height: 0.032 INCHES NOMINAL IN. 5 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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