PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

120221Spacer,plate

Bei Sensors & Systems Company, Inc. Dba Bei Duncan · NSN 5365-01-220-9739 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-220-9739 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-220-9739. Primary manufacturer part number: 120221.
Features
  • Spacer,plate — FSC 5365
  • Style Designator: CIRCULAR
  • Surface Treatment: PASSIVATE
  • Surface Treatment Document and Classification: MIL-F-14072 E300 MIL SPEC SINGLE TREATMENT RESPONSE
  • Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304
  • Bolt Circle Diameter: 0.956 INCHES NOMINAL IN
  • Aperture Diameter: 0.800 INCHES NOMINAL IN
  • Hole Diameter: 0.093 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 302 or Steel Comp 303 or Steel Comp 304 construction
General Description

The Spacer,plate, cataloged under National Stock Number 5365-01-220-9739, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bei Sensors & Systems Company, Inc. Dba Bei Duncan. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-01-220-9739
Primary Part Number120221
Item NameSpacer,plate
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerBei Sensors & Systems Company, Inc. Dba Bei Duncan
StatusACTIVE
Style DesignatorCIRCULAR
Surface TreatmentPASSIVATE
Surface Treatment Document and ClassificationMIL-F-14072 E300 MIL SPEC SINGLE TREATMENT RESPONSE
MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304
Bolt Circle Diameter0.956 INCHES NOMINAL IN
Aperture Diameter0.800 INCHES NOMINAL IN
Hole Diameter0.093 INCHES NOMINAL IN
Bolt Hole Quantity6
Outside Diameter1.109 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5305-00-012-0221120221 INTERCHANGEABLE
Screw,machine
Chrysler Realty Company Llc Dba Daimler Chrysler
5930-00-422-0524 INTERCHANGEABLE
Switch,electrical
5840-00-570-5929120221 INTERCHANGEABLE
Electronic Subassem
L3harris Technologies, Inc Div Space & Airborne Systems
5305-00-984-6210472-123 INTERCHANGEABLE
Screw,machine
Ampex Data Systems Corporation Dba Ampex Intelligent Systems
4510-01-084-0574SC-1137-AF INTERCHANGEABLE
Shower Bath Fixture
Speakman Company Dba Speakman Div Plumbing, Safety, and Shower Products
Cross-Reference Index
Part NumberManufacturer
120221 Bei Sensors & Systems Company, Inc. Dba Bei Duncan (USA)
120221 Bei Sensors & Systems Co. Inc Dba Edcliff Instruments Division (USA)
Related Parts
5305-00-012-0221INTERCHANGEABLE
SCREW,MACHINE
120221
5930-00-422-0524INTERCHANGEABLE
SWITCH,ELECTRICAL
5840-00-570-5929INTERCHANGEABLE
ELECTRONIC SUBASSEM
120221
5305-00-984-6210INTERCHANGEABLE
SCREW,MACHINE
472-123
4510-01-084-0574INTERCHANGEABLE
SHOWER BATH FIXTURE
SC-1137-AF

Frequently Asked Questions

What is NSN 5365-01-220-9739?

NSN 5365-01-220-9739 is a Spacer,plate, manufactured by Bei Sensors & Systems Company, Inc. Dba Bei Duncan, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-220-9739?

NSN 5365-01-220-9739 has 2 cross-referenced part numbers: 120221 (Bei Sensors & Systems Company, Inc. Dba Bei Duncan), 120221 (Bei Sensors & Systems Co. Inc Dba Edcliff Instruments Division).

What NSN replaces 5365-01-220-9739?

There are 5 known substitutes for 5365-01-220-9739: 5305-00-012-0221, 5930-00-422-0524, 5840-00-570-5929 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 120221?

Key specifications for 120221: Special Features: CUTOUT ON OUTSIDE OF SPACER 0.30 IN. LONG 0.062 IN. DEEP IN; Style Designator: CIRCULAR; Surface Treatment: PASSIVATE; Surface Treatment Document and Classification: MIL-F-14072 E300 MIL SPEC SINGLE TREATMENT RESPONSE. 10 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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