PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

417859Spacer,sleeve

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5365-00-088-7666 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-00-088-7666 — this item is cataloged by the U.S. Government under National Stock Number 5365-00-088-7666. Primary manufacturer part number: 417859.
Features
  • Spacer,sleeve — FSC 5365
  • Flange Outside Diameter: 0.3410 INCHES MINIMUM AND 0.3420 INCHES MAXIMUM IN
  • Flange Width: 0.0690 INCHES NOMINAL IN
  • Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
  • Material: STEEL CORROSION RESISTING OVERALL
  • Body Outside Diameter: 0.1870 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM IN
  • Corner Shape: SQUARE ALL CORNERS
  • Body Inside Diameter: 0.0960 INCHES MINIMUM AND 0.1010 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Spacer,sleeve, cataloged under National Stock Number 5365-00-088-7666, 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 11 commercial cross-references from 9 manufacturers, 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
NSN5365-00-088-7666
Primary Part Number417859
Item NameSpacer,sleeve
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Flange Outside Diameter0.3410 INCHES MINIMUM AND 0.3420 INCHES MAXIMUM IN
Flange Width0.0690 INCHES NOMINAL IN
Hardness Rating25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
MaterialSTEEL CORROSION RESISTING OVERALL
Body Outside Diameter0.1870 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM IN
Corner ShapeSQUARE ALL CORNERS
Body Inside Diameter0.0960 INCHES MINIMUM AND 0.1010 INCHES MAXIMUM IN
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5315-00-234-1650103361 INTERCHANGEABLE
Pin,cotter
Rolls-Royce Solutions America Inc
5965-01-277-8589 INTERCHANGEABLE
Microphone,dynamic
4710-01-360-792551-1543 INTERCHANGEABLE
Tubing,nonmetallic
Bacharach, Inc.
Cross-Reference Index
Part NumberManufacturer
417859 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
417859 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
511543 Spectrum Microwave, Inc Dba Api Technologies Div Api Technologies - Spectrum Microwave (USA)
511543 Acme Metal Products Co (USA)
511543 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
511543 Thompson Aerospace, Llc Dba Thompson Aerospace Llc (USA)
511543 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
511543 White Consolidated Industries Inc Frigidaire Div (USA)
511543 Comet Mfg Co Inc (USA)
511543 Spectrum Microwave, Inc. (USA)
511543 Laube Corp the (USA)
Related Parts
5315-00-234-1650INTERCHANGEABLE
PIN,COTTER
103361
5965-01-277-8589INTERCHANGEABLE
MICROPHONE,DYNAMIC
4710-01-360-7925INTERCHANGEABLE
TUBING,NONMETALLIC
51-1543

Frequently Asked Questions

What is NSN 5365-00-088-7666?

NSN 5365-00-088-7666 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 5365-00-088-7666?

NSN 5365-00-088-7666 has 11 cross-referenced part numbers: 417859 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 417859 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 511543 (Spectrum Microwave, Inc Dba Api Technologies Div Api Technologies - Spectrum Microwave), 511543 (Acme Metal Products Co), 511543 (Turbo Power & Marine System Inc Sub of United Technologies Corp) and 6 more.

What NSN replaces 5365-00-088-7666?

There are 3 known substitutes for 5365-00-088-7666: 5315-00-234-1650, 5965-01-277-8589, 4710-01-360-7925. Verify interchangeability with system specifications before substitution.

What are the specifications of 417859?

Key specifications for 417859: Flange Outside Diameter: 0.3410 INCHES MINIMUM AND 0.3420 INCHES MAXIMUM IN; Flange Width: 0.0690 INCHES NOMINAL IN; End Item Identification: ENGINE,AIRCRAFT,TURBO-JET; Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL. 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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