PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

539508Sleeve,disk Spacer,compressor

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 2840-00-099-9284 · FSC 2840 · No Item Name Available
Verified by PartsTable
NSN 2840-00-099-9284 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-099-9284. Primary manufacturer part number: 539508.
Features
  • Sleeve,disk Spacer,compressor — FSC 2840
  • Criticality Code Justification: MATT AND ABHP AND FEAT AND ADAV
  • Material: STEEL CORROSION RESISTING
  • Overall Diameter: 0.7010 INCHES MINIMUM AND 0.7015 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Sleeve,disk Spacer,compressor, cataloged under National Stock Number 2840-00-099-9284, is classified within Federal Supply Class 2840 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN2840-00-099-9284
Primary Part Number539508
Item NameSleeve,disk Spacer,compressor
FSC / FSG2840 / 28 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Criticality Code JustificationMATT AND ABHP AND FEAT AND ADAV
MaterialSTEEL CORROSION RESISTING
Overall Diameter0.7010 INCHES MINIMUM AND 0.7015 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-156-5446 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
539508 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
714175 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
3110-00-156-5446INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 2840-00-099-9284?

NSN 2840-00-099-9284 is a Sleeve,disk Spacer,compressor, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840 (No Item Name Available). Status: active.

What are the part numbers for NSN 2840-00-099-9284?

NSN 2840-00-099-9284 has 2 cross-referenced part numbers: 539508 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 714175 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2840-00-099-9284?

There is 1 known substitute for 2840-00-099-9284: 3110-00-156-5446. Verify interchangeability with system specifications before substitution.

What are the specifications of 539508?

Key specifications for 539508: Criticality Code Justification: MATT AND ABHP AND FEAT AND ADAV; End Item Identification: ACFT ENG TF33; Material: STEEL CORROSION RESISTING; Special Features: MATL AMS 5591 OR AMS 5613, HARDNESS ROCKWELL C30-38. 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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