PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

410261-1Seal,plain Encased

Raytheon Company Dba Raytheon · NSN 5330-00-725-2750 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-725-2750 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-725-2750. Primary manufacturer part number: 410261-1.
Features
  • Seal,plain Encased — FSC 5330
  • Case Style: SQUARE
  • Sealing Element Style: ANGULAR
  • Accommodated Shaft Diameter: 0.437 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Material: STEEL CASE
  • Housing Bore Diameter: 0.999 INCHES NOMINAL IN
  • Seal Width: 0.375 INCHES NOMINAL IN
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 5330-00-725-2750, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Raytheon Company Dba Raytheon. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5330-00-725-2750
Primary Part Number410261-1
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Case StyleSQUARE
Sealing Element StyleANGULAR
Accommodated Shaft Diameter0.437 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT
MaterialSTEEL CASE
Housing Bore Diameter0.999 INCHES NOMINAL IN
Seal Width0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6220-00-803-704141-0261-1 INTERCHANGEABLE
Cam and Worm Wheel
Grimes Aerospace Company
2825-00-961-8661410-2611 INTERCHANGEABLE
Blading Set,turbine
Siemens Energy, Inc.
Cross-Reference Index
Part NumberManufacturer
6809S Federal-Mogul Corp Chassis Products Div (USA)
410261-1 PRIMARY Raytheon Company Dba Raytheon (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
Related Parts
6220-00-803-7041INTERCHANGEABLE
CAM AND WORM WHEEL
41-0261-1
2825-00-961-8661INTERCHANGEABLE
BLADING SET,TURBINE
410-2611

Frequently Asked Questions

What is NSN 5330-00-725-2750?

NSN 5330-00-725-2750 is a Seal,plain Encased, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-725-2750?

NSN 5330-00-725-2750 has 3 cross-referenced part numbers: 6809S (Federal-Mogul Corp Chassis Products Div), 410261-1 (Raytheon Company Dba Raytheon), 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).

What NSN replaces 5330-00-725-2750?

There are 2 known substitutes for 5330-00-725-2750: 6220-00-803-7041, 2825-00-961-8661. Verify interchangeability with system specifications before substitution.

What are the specifications of 410261-1?

Key specifications for 410261-1: Case Style: SQUARE; Sealing Element Style: ANGULAR; Accommodated Shaft Diameter: 0.437 INCHES NOMINAL 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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