PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7453Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-01-323-5561 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-323-5561 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-323-5561. Primary manufacturer part number: 7453.
Features
  • Seal,plain Encased — FSC 5330
  • Outside Diameter: 1.254 INCHES NOMINAL IN
  • Housing Bore Diameter: 1.250 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 0.750 INCHES NOMINAL IN
  • Case Style: SQUARE
  • Material: COPPER ALLOY CASE
  • Sealing Element Style: VERTICAL
  • Surface Treatment: PLASTIC CASE
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Copper Alloy Case construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-01-323-5561, 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-323-5561
Primary Part Number7453
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Outside Diameter1.254 INCHES NOMINAL IN
Housing Bore Diameter1.250 INCHES NOMINAL IN
Accommodated Shaft Diameter0.750 INCHES NOMINAL IN
Case StyleSQUARE
MaterialCOPPER ALLOY CASE
Sealing Element StyleVERTICAL
Surface TreatmentPLASTIC CASE
MaterialSTEEL CORROSION RESISTING SPRING
MaterialRUBBER FLUOROCARBON CLASS FPM SEALING ELEMENT B
MaterialRUBBER FLUOROCARBON CLASS FPM SEALING ELEMENT A
Seal Width0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5310-00-327-4907 INTERCHANGEABLE
Washer
5962-00-370-2457 INTERCHANGEABLE
Microcircuit,digital
2910-00-376-826581-99-5 INTERCHANGEABLE
Pump,fuel
Dresser Industries Inc Leroi Div
5945-00-567-9170 INTERCHANGEABLE
Contact Assy,electr
3040-01-043-5381 INTERCHANGEABLE
Shaft,straight
5306-01-251-3947745-3 INTERCHANGEABLE
Bolt,machine
Chicago Faucet Co the
5998-01-503-91747-453 INTERCHANGEABLE
Electronic Components Assembly
Chelton, Inc. Dba Cobham Antenna Systems Div Cobham Aerospace Connectivity
5306-01-559-70207453 INTERCHANGEABLE
Bolt,machine
Silver Eagle Manufacturing Co
6515-01-576-9114 INTERCHANGEABLE
Cover,nose Support
4110-01-675-77447453 INTERCHANGEABLE
Refrigerator,mechanical,biologic
Thermo Forma Inc Div Thermo Forma, Inc.
Cross-Reference Index
Part NumberManufacturer
7453 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
5310-00-327-4907INTERCHANGEABLE
WASHER
5962-00-370-2457INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
2910-00-376-8265INTERCHANGEABLE
PUMP,FUEL
81-99-5
5945-00-567-9170INTERCHANGEABLE
CONTACT ASSY,ELECTR
3040-01-043-5381INTERCHANGEABLE
SHAFT,STRAIGHT
5306-01-251-3947INTERCHANGEABLE
BOLT,MACHINE
745-3
5998-01-503-9174INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
7-453
5306-01-559-7020INTERCHANGEABLE
BOLT,MACHINE
7453
6515-01-576-9114INTERCHANGEABLE
COVER,NOSE SUPPORT
4110-01-675-7744INTERCHANGEABLE
REFRIGERATOR,MECHANICAL,BIOLOGIC
7453

Frequently Asked Questions

What is NSN 5330-01-323-5561?

NSN 5330-01-323-5561 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 5330-01-323-5561?

NSN 5330-01-323-5561 has 1 cross-referenced part number: 7453 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-01-323-5561?

There are 10 known substitutes for 5330-01-323-5561: 5310-00-327-4907, 5962-00-370-2457, 2910-00-376-8265 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7453?

Key specifications for 7453: Outside Diameter: 1.254 INCHES NOMINAL IN; Housing Bore Diameter: 1.250 INCHES NOMINAL IN; Accommodated Shaft Diameter: 0.750 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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