PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1662-6Spacer,ring

Eaton Aerospace, Llc Dba Jackson South · NSN 5365-00-512-1745 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-00-512-1745 — this item is cataloged by the U.S. Government under National Stock Number 5365-00-512-1745. Primary manufacturer part number: 1662-6.
Features
  • Spacer,ring — FSC 5365
  • Overall Thickness: 0.045 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
  • Material: STEEL
  • Inside Diameter: 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
  • Hardness Rating: 68.0 ROCKWELL A MINIMUM AND 70.0 ROCKWELL A MAXIMUM
  • Outside Diameter: 0.796 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
  • Material Document and Classification: AISI,1040 THRU 1050 ASSN STD SINGLE MATERIAL RESPONSE
  • 3 verified cross-references
Applications
  • Applications requiring Steel construction
General Description

The Spacer,ring, cataloged under National Stock Number 5365-00-512-1745, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5365-00-512-1745
Primary Part Number1662-6
Item NameSpacer,ring
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusCANCELLED
Overall Thickness0.045 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
MaterialSTEEL
Inside Diameter0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
Hardness Rating68.0 ROCKWELL A MINIMUM AND 70.0 ROCKWELL A MAXIMUM
Outside Diameter0.796 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
Material Document and ClassificationAISI,1040 THRU 1050 ASSN STD SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5950-00-419-7541373119 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
5950-00-576-724216626 INTERCHANGEABLE
Transformer,power
Drs Signal Solutions, Inc.
2530-01-358-771916626 INTERCHANGEABLE
Brake Drum
Wheeler Fleet Solutions, Co.
6520-01-367-9690 INTERCHANGEABLE
Tooth Set,prosthetic
5950-01-438-73301662-6 INTERCHANGEABLE
Coil,radio Frequency
Caddell Burns Manufacturing Co Inc
4720-01-506-257816626 INTERCHANGEABLE
Hose Assembly,nonmetallic
Haldex Brake Products Corporation
6515-01-591-3233218.105 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
1662-6 Eaton Aerospace, Llc Dba Jackson South (USA)
1662-6 Eaton Aerospace, Llc Dba Jackson South (USA)
1662-6 General Signal Corp (USA)
Related Parts
5950-00-419-7541INTERCHANGEABLE
TRANSFORMER,POWER
373119
5950-00-576-7242INTERCHANGEABLE
TRANSFORMER,POWER
16626
2530-01-358-7719INTERCHANGEABLE
BRAKE DRUM
16626
6520-01-367-9690INTERCHANGEABLE
TOOTH SET,PROSTHETIC
5950-01-438-7330INTERCHANGEABLE
COIL,RADIO FREQUENCY
1662-6
4720-01-506-2578INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
16626
6515-01-591-3233INTERCHANGEABLE
SCREW,BONE
218.105

Frequently Asked Questions

What is NSN 5365-00-512-1745?

NSN 5365-00-512-1745 is a Spacer,ring, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5365 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5365-00-512-1745?

NSN 5365-00-512-1745 has 3 cross-referenced part numbers: 1662-6 (Eaton Aerospace, Llc Dba Jackson South), 1662-6 (Eaton Aerospace, Llc Dba Jackson South), 1662-6 (General Signal Corp).

What NSN replaces 5365-00-512-1745?

There are 7 known substitutes for 5365-00-512-1745: 5950-00-419-7541, 5950-00-576-7242, 2530-01-358-7719 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1662-6?

Key specifications for 1662-6: Overall Thickness: 0.045 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN; Material: STEEL; Inside Diameter: 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN; Hardness Rating: 68.0 ROCKWELL A MINIMUM AND 70.0 ROCKWELL A MAXIMUM. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5365-00-512-1745 still in active supply?

NSN 5365-00-512-1745 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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