PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12458Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-933-9717 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-933-9717 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-933-9717. Primary manufacturer part number: 12458.
Features
  • Seal,plain Encased — FSC 5330
  • Sealing Element Style: ANGULAR
  • Case Style: RECESSED
  • Seal Width: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
  • Material: STEEL CASE
  • Material: RUBBER SEALING ELEMENT
  • Outside Diameter: 2.004 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 1.250 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Case construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-933-9717, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Skf Usa Inc. Dba Skf Aerospace Sealing Solutions. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5330-00-933-9717
Primary Part Number12458
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Sealing Element StyleANGULAR
Case StyleRECESSED
Seal Width0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
MaterialSTEEL CASE
MaterialRUBBER SEALING ELEMENT
Outside Diameter2.004 INCHES NOMINAL IN
Accommodated Shaft Diameter1.250 INCHES NOMINAL IN
Surface TreatmentPLASTIC CASE
Housing Bore Diameter2.003 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4820-01-198-2285 INTERCHANGEABLE
Valve Assembly,shut
5360-01-269-445912458 INTERCHANGEABLE
Spring,helical,compression
Aerco International, Inc. Dba Aerco International Inc
5342-01-272-983212458 INTERCHANGEABLE
Plug
Westerbeke Corporation
Cross-Reference Index
Part NumberManufacturer
725581 American Standard Inc Westinghouse Air Brake Co Div (USA)
12458 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
4820-01-198-2285INTERCHANGEABLE
VALVE ASSEMBLY,SHUT
5360-01-269-4459INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
12458
5342-01-272-9832INTERCHANGEABLE
PLUG
12458

Frequently Asked Questions

What is NSN 5330-00-933-9717?

NSN 5330-00-933-9717 is a Seal,plain Encased, manufactured by Skf Usa Inc. Dba Skf Aerospace Sealing Solutions, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-933-9717?

NSN 5330-00-933-9717 has 2 cross-referenced part numbers: 725581 (American Standard Inc Westinghouse Air Brake Co Div), 12458 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-00-933-9717?

There are 3 known substitutes for 5330-00-933-9717: 4820-01-198-2285, 5360-01-269-4459, 5342-01-272-9832. Verify interchangeability with system specifications before substitution.

What are the specifications of 12458?

Key specifications for 12458: Sealing Element Style: ANGULAR; Case Style: RECESSED; Seal Width: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN; Material: STEEL CASE. 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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