PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

503953Spacer,sleeve

Aimtron Systems, Llc · NSN 5365-01-124-4363 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-124-4363 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-124-4363. Primary manufacturer part number: 503953.
Features
  • Spacer,sleeve — FSC 5365
  • Body Outside Diameter: 0.2180 INCHES NOMINAL IN
  • Corner Shape: SQUARE ALL CORNERS
  • Material: ALUMINUM ALLOY 2024 OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Body Inside Diameter: 0.1640 INCHES MINIMUM AND 0.1720 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Aimtron Systems, Llc
Applications
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Spacer,sleeve, cataloged under National Stock Number 5365-01-124-4363, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aimtron Systems, Llc. Government technical data includes 5 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-01-124-4363
Primary Part Number503953
Item NameSpacer,sleeve
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerAimtron Systems, Llc
StatusACTIVE
Body Outside Diameter0.2180 INCHES NOMINAL IN
Corner ShapeSQUARE ALL CORNERS
MaterialALUMINUM ALLOY 2024 OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter0.1640 INCHES MINIMUM AND 0.1720 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6625-00-821-6598 INTERCHANGEABLE
No Item Name Available
Cross-Reference Index
Part NumberManufacturer
503953 PRIMARY Aimtron Systems, Llc (USA)
503953 Cardion Inc (USA)
Related Parts
6625-00-821-6598INTERCHANGEABLE
NO ITEM NAME AVAILABLE

Frequently Asked Questions

What is NSN 5365-01-124-4363?

NSN 5365-01-124-4363 is a Spacer,sleeve, manufactured by Aimtron Systems, Llc, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-124-4363?

NSN 5365-01-124-4363 has 2 cross-referenced part numbers: 503953 (Aimtron Systems, Llc), 503953 (Cardion Inc).

What NSN replaces 5365-01-124-4363?

There is 1 known substitute for 5365-01-124-4363: 6625-00-821-6598. Verify interchangeability with system specifications before substitution.

What are the specifications of 503953?

Key specifications for 503953: Body Outside Diameter: 0.2180 INCHES NOMINAL IN; Corner Shape: SQUARE ALL CORNERS; Material: ALUMINUM ALLOY 2024 OVERALL; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 6 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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