PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

32540Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-431-7302 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-431-7302 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-431-7302. Primary manufacturer part number: 32540.
Features
  • Seal,plain Encased — FSC 5330
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Material: STEEL CASE
  • Housing Bore Diameter: 4.626 INCHES NOMINAL IN
  • Sealing Element Style: ANGULAR
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Outside Diameter: 4.631 INCHES NOMINAL IN
  • Case Style: SQUARE
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 5330-00-431-7302, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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.

Technical Specifications
ParameterValue
NSN5330-00-431-7302
Primary Part Number32540
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
MaterialSTEEL CASE
Housing Bore Diameter4.626 INCHES NOMINAL IN
Sealing Element StyleANGULAR
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Outside Diameter4.631 INCHES NOMINAL IN
Case StyleSQUARE
Seal Width0.500 INCHES NOMINAL IN
Accommodated Shaft Diameter3.250 INCHES NOMINAL IN
Surface TreatmentPLASTIC CASE
Temp Rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
9905-00-202-36390100A INTERCHANGEABLE
Reflector,indicating,clearance
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
5120-00-277-1195JC908 INTERCHANGEABLE
Wrench,open End
The Stanley Works Dba Stanley Proto
5330-00-788-362035957 INTERCHANGEABLE
Gasket
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
Cross-Reference Index
Part NumberManufacturer
32540 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
9905-00-202-3639INTERCHANGEABLE
REFLECTOR,INDICATING,CLEARANCE
0100A
5120-00-277-1195INTERCHANGEABLE
WRENCH,OPEN END
JC908
5330-00-788-3620INTERCHANGEABLE
GASKET
35957

Frequently Asked Questions

What is NSN 5330-00-431-7302?

NSN 5330-00-431-7302 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 5330-00-431-7302?

NSN 5330-00-431-7302 has 1 cross-referenced part number: 32540 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-00-431-7302?

There are 3 known substitutes for 5330-00-431-7302: 9905-00-202-3639, 5120-00-277-1195, 5330-00-788-3620. Verify interchangeability with system specifications before substitution.

What are the specifications of 32540?

Key specifications for 32540: Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT; Material: STEEL CASE; Housing Bore Diameter: 4.626 INCHES NOMINAL IN; Sealing Element Style: ANGULAR. 11 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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