PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

218-211Ring,externally Threaded

Safe Flight Instrument, Llc · NSN 5365-00-420-2590 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-00-420-2590 — this item is cataloged by the U.S. Government under National Stock Number 5365-00-420-2590. Primary manufacturer part number: 218-211.
Features
  • Ring,externally Threaded — FSC 5365
  • Drive Type: DRILLED FACE
  • Accommodation Type and Quantity: 2 HOLES
  • Thread Location: BOTH ENDS
  • Beveled Thread: INCLUDED
  • Angle Between Accommodations in Deg: 180.0
  • Surface Treatment: PASSIVATE
  • Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 316
Applications
  • Applications requiring Steel Comp 302 or Steel Comp 303 or Steel Comp 303SE or Steel Comp 316 construction
General Description

The Ring,externally Threaded, cataloged under National Stock Number 5365-00-420-2590, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Safe Flight Instrument, Llc. Government technical data includes 14 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
NSN5365-00-420-2590
Primary Part Number218-211
Item NameRing,externally Threaded
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerSafe Flight Instrument, Llc
StatusACTIVE
Drive TypeDRILLED FACE
Accommodation Type and Quantity2 HOLES
Thread LocationBOTH ENDS
Beveled ThreadINCLUDED
Angle Between Accommodations in Deg180.0
Surface TreatmentPASSIVATE
MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 316
Thread Pitch Diameters+1.7650 TO 1.7700 INCHES IN
Thread Size1.790-32
Screw Thread Series DesignatorNONSTANDARD
Bore Diameter1.280 INCHES NOMINAL IN
Bore ShapeSTRAIGHT
Casehardening IndicatorNOT CASEHARDENED
Diameter0.130 INCHES MINIMUM AND 0.136 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5315-00-021-8211218211 INTERCHANGEABLE
Key,woodruff
Dressta North America Ltd
5315-00-418-4645 INTERCHANGEABLE
Key,woodruff
5310-01-484-912329-0344 INTERCHANGEABLE
Nut,plain,hexagon
Mobile Climate Control Industries Inc
Cross-Reference Index
Part NumberManufacturer
218-211 PRIMARY Safe Flight Instrument, Llc (USA)
Related Parts
5315-00-021-8211INTERCHANGEABLE
KEY,WOODRUFF
218211
5315-00-418-4645INTERCHANGEABLE
KEY,WOODRUFF
5310-01-484-9123INTERCHANGEABLE
NUT,PLAIN,HEXAGON
29-0344

Frequently Asked Questions

What is NSN 5365-00-420-2590?

NSN 5365-00-420-2590 is a Ring,externally Threaded, manufactured by Safe Flight Instrument, Llc, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-00-420-2590?

NSN 5365-00-420-2590 has 1 cross-referenced part number: 218-211 (Safe Flight Instrument, Llc).

What NSN replaces 5365-00-420-2590?

There are 3 known substitutes for 5365-00-420-2590: 5315-00-021-8211, 5315-00-418-4645, 5310-01-484-9123. Verify interchangeability with system specifications before substitution.

What are the specifications of 218-211?

Key specifications for 218-211: Drive Type: DRILLED FACE; Accommodation Type and Quantity: 2 HOLES; Thread Location: BOTH ENDS; Beveled Thread: INCLUDED. 15 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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