PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45525Seal,plain Encased

Federal-Mogul Corp Chassis Products Div · NSN 5330-00-240-6550 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-240-6550 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-240-6550. Primary manufacturer part number: 45525.
Features
  • Seal,plain Encased — FSC 5330
  • Temp Rating: -50.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
  • Accommodated Shaft Maximum Rated Speed: 1000 FEET PER MINUTE FT
  • Seal Width: 0.250 INCHES NOMINAL IN
  • Case Style: SQUARE
  • Material: LEATHER SEALING ELEMENT
  • Accommodated Shaft Diameter: 3.500 INCHES NOMINAL IN
  • Sealing Element Style: ANGULAR
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Leather Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-240-6550, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal-Mogul Corp Chassis Products Div. Government technical data includes 10 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-240-6550
Primary Part Number45525
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerFederal-Mogul Corp Chassis Products Div
StatusACTIVE
Temp Rating-50.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
Accommodated Shaft Maximum Rated Speed1000 FEET PER MINUTE FT
Seal Width0.250 INCHES NOMINAL IN
Case StyleSQUARE
MaterialLEATHER SEALING ELEMENT
Accommodated Shaft Diameter3.500 INCHES NOMINAL IN
Sealing Element StyleANGULAR
MaterialSTEEL CASE
Housing Bore Diameter4.125 INCHES NOMINAL IN
Surface TreatmentPHOSPHATE CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5935-00-066-721645525 INTERCHANGEABLE
Connector,plug,electrical
Amphenol Corporation Div Amphenol Rf
2610-01-517-188181758 INTERCHANGEABLE
Tire,pneumatic,vehicular
Michelin North America, Inc Dba Michelin North America, Inc
Cross-Reference Index
Part NumberManufacturer
45525 Federal-Mogul Corp Chassis Products Div (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
Related Parts
5935-00-066-7216INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
45525
2610-01-517-1881INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
81758

Frequently Asked Questions

What is NSN 5330-00-240-6550?

NSN 5330-00-240-6550 is a Seal,plain Encased, manufactured by Federal-Mogul Corp Chassis Products Div, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-240-6550?

NSN 5330-00-240-6550 has 2 cross-referenced part numbers: 45525 (Federal-Mogul Corp Chassis Products Div), 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).

What NSN replaces 5330-00-240-6550?

There are 2 known substitutes for 5330-00-240-6550: 5935-00-066-7216, 2610-01-517-1881. Verify interchangeability with system specifications before substitution.

What are the specifications of 45525?

Key specifications for 45525: Temp Rating: -50.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF; Accommodated Shaft Maximum Rated Speed: 1000 FEET PER MINUTE FT; Seal Width: 0.250 INCHES NOMINAL IN; Case Style: SQUARE. 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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