PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

500729Seal,front Bearing

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5330-00-075-8278 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-075-8278 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-075-8278. Primary manufacturer part number: 500729.
Features
  • Seal,front Bearing — FSC 5330
  • 1 verified cross-reference
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
General Description

The Seal,front Bearing, cataloged under National Stock Number 5330-00-075-8278, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeal,front Bearing
FSC / FSG5330 — No Item Name Available (FSG 53)
ManufacturersRtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445)
Technical Specifications
ParameterValue
NSN5330-00-075-8278
Primary Part Number500729
Item NameSeal,front Bearing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5905-00-107-7345 INTERCHANGEABLE
Resistor,fixed,composition
5305-00-543-2761 INTERCHANGEABLE
Screw,machine
5340-01-149-8002J-4624-582 INTERCHANGEABLE
Mount,resilient,utility
Lord Corporation Dba Lord Corp
Cross-Reference Index
Part NumberManufacturer
500729 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5905-00-107-7345INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5305-00-543-2761INTERCHANGEABLE
SCREW,MACHINE
5340-01-149-8002INTERCHANGEABLE
MOUNT,RESILIENT,UTILITY
J-4624-582

Frequently Asked Questions

What is NSN 5330-00-075-8278?

NSN 5330-00-075-8278 is a Seal,front Bearing, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-075-8278?

NSN 5330-00-075-8278 has 1 cross-referenced part number: 500729 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5330-00-075-8278?

There are 3 known substitutes for 5330-00-075-8278: 5905-00-107-7345, 5305-00-543-2761, 5340-01-149-8002. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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