PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73439Seal,plain Encased

Prestolite Electric Inc · NSN 5330-00-224-9346 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-224-9346 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-224-9346. Primary manufacturer part number: 73439.
Features
  • Seal,plain Encased — FSC 5330
  • Temp Rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
  • Accommodated Shaft Diameter: 0.500 INCHES NOMINAL IN
  • Housing Bore Diameter: 0.877 INCHES MINIMUM AND 0.881 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Material: STEEL CASE
  • Sealing Element Style: ANGULAR
  • Case Style: SQUARE
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-224-9346, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Prestolite Electric Inc. Government technical data includes 8 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-224-9346
Primary Part Number73439
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerPrestolite Electric Inc
StatusACTIVE
Temp Rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
Accommodated Shaft Diameter0.500 INCHES NOMINAL IN
Housing Bore Diameter0.877 INCHES MINIMUM AND 0.881 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT
MaterialSTEEL CASE
Sealing Element StyleANGULAR
Case StyleSQUARE
Seal Width0.300 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5950-00-153-574310098 INTERCHANGEABLE
Transformer,audio Frequency
Cae Usa Inc.
5305-01-647-256273439 INTERCHANGEABLE
Screw,cap,socket Head
Fastenal Company Div Nfny
Cross-Reference Index
Part NumberManufacturer
73439 Prestolite Electric Inc (USA)
73439 PRIMARY Prestolite Electric Inc (USA)
Related Parts
5950-00-153-5743INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
10098
5305-01-647-2562INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
73439

Frequently Asked Questions

What is NSN 5330-00-224-9346?

NSN 5330-00-224-9346 is a Seal,plain Encased, manufactured by Prestolite Electric Inc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-224-9346?

NSN 5330-00-224-9346 has 2 cross-referenced part numbers: 73439 (Prestolite Electric Inc), 73439 (Prestolite Electric Inc).

What NSN replaces 5330-00-224-9346?

There are 2 known substitutes for 5330-00-224-9346: 5950-00-153-5743, 5305-01-647-2562. Verify interchangeability with system specifications before substitution.

What are the specifications of 73439?

Key specifications for 73439: Temp Rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF; Accommodated Shaft Diameter: 0.500 INCHES NOMINAL IN; Housing Bore Diameter: 0.877 INCHES MINIMUM AND 0.881 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC SEALING ELEMENT. 8 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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