PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

211664Spacer,sleeve

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5365-00-373-8391 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-00-373-8391 — this item is cataloged by the U.S. Government under National Stock Number 5365-00-373-8391. Primary manufacturer part number: 211664.
Features
  • Spacer,sleeve — FSC 5365
  • Body Inside Diameter: 0.6050 INCHES NOMINAL IN
  • Corner Shape: SQUARE ALL CORNERS
  • Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES, INTERNAL FLANGE ONE END
  • Material: STEEL OVERALL
  • Body Outside Diameter: 0.7550 INCHES NOMINAL IN
  • Left Internal Flange Hole Diameter: 0.4850 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Spacer,sleeve, cataloged under National Stock Number 5365-00-373-8391, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 8 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-00-373-8391
Primary Part Number211664
Item NameSpacer,sleeve
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Body Inside Diameter0.6050 INCHES NOMINAL IN
Corner ShapeSQUARE ALL CORNERS
Hardness Rating25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES, INTERNAL FLANGE ONE END
MaterialSTEEL OVERALL
Body Outside Diameter0.7550 INCHES NOMINAL IN
Left Internal Flange Hole Diameter0.4850 INCHES NOMINAL IN
Left Internal Flange Width0.1000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5910-00-849-5208D29075 INTERCHANGEABLE
Capacitor,fixed,electrolytic
United Chemi-Con Mfg Inc
5910-01-086-6375 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Cross-Reference Index
Part NumberManufacturer
211664 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5910-00-849-5208INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
D29075
5910-01-086-6375INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC

Frequently Asked Questions

What is NSN 5365-00-373-8391?

NSN 5365-00-373-8391 is a Spacer,sleeve, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-00-373-8391?

NSN 5365-00-373-8391 has 1 cross-referenced part number: 211664 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5365-00-373-8391?

There are 2 known substitutes for 5365-00-373-8391: 5910-00-849-5208, 5910-01-086-6375. Verify interchangeability with system specifications before substitution.

What are the specifications of 211664?

Key specifications for 211664: Body Inside Diameter: 0.6050 INCHES NOMINAL IN; Corner Shape: SQUARE ALL CORNERS; Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES, INTERNAL FLANGE ONE END. 9 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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