PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42393Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-948-7240 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-948-7240 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-948-7240. Primary manufacturer part number: 42393.
Features
  • Seal,plain Encased — FSC 5330
  • Seal Width: 0.425 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN
  • Temp Rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
  • Case Style: SQUARE
  • Housing Bore Diameter: 5.251 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 4.250 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Outside Diameter: 5.256 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 5330-00-948-7240, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-948-7240
Primary Part Number42393
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Seal Width0.425 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN
Temp Rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
Case StyleSQUARE
Housing Bore Diameter5.251 INCHES NOMINAL IN
Accommodated Shaft Diameter4.250 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Outside Diameter5.256 INCHES NOMINAL IN
Surface TreatmentPLASTIC CASE
Sealing Element StyleANGULAR
MaterialSTEEL CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2930-00-377-518942393 INTERCHANGEABLE
Shaft,water Pump Im
Cummins Inc.
2990-00-401-402742393 INTERCHANGEABLE
Pipe,exhaust
Walker Mfg Co
5120-00-596-0836 INTERCHANGEABLE
Socket,socket Wrench
5999-00-706-2980 INTERCHANGEABLE
Heater,thermal Release
3455-00-865-022111650 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
6150-00-869-468142396 INTERCHANGEABLE
Lead,electrical
Alcor Inc Dba Alcor Aviation
5950-00-981-1422 INTERCHANGEABLE
Coil,radio Frequency
5950-01-025-7198403844 INTERCHANGEABLE
Reactor
Aimtron Systems, Llc
5962-01-089-280042396 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5995-01-090-164742426 INTERCHANGEABLE
Cable Assembly,radio Frequency
Eaton Corp Information Management Systems Div Microwave Components
Cross-Reference Index
Part NumberManufacturer
42393 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
42426CRWH1 Zf Industrieantriebe Witten Gmbh (DEU)
1366ASS413 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
52508T4 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
42426 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
1366AS413 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
42396 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
2930-00-377-5189INTERCHANGEABLE
SHAFT,WATER PUMP IM
42393
2990-00-401-4027INTERCHANGEABLE
PIPE,EXHAUST
42393
5120-00-596-0836INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5999-00-706-2980INTERCHANGEABLE
HEATER,THERMAL RELEASE
3455-00-865-0221INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11650
6150-00-869-4681INTERCHANGEABLE
LEAD,ELECTRICAL
42396
5950-00-981-1422INTERCHANGEABLE
COIL,RADIO FREQUENCY
5950-01-025-7198INTERCHANGEABLE
REACTOR
403844
5962-01-089-2800INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42396
5995-01-090-1647INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
42426
5985-01-118-7875INTERCHANGEABLE
ADAPTER,WAVEGUIDE
812-9529
5950-01-127-3887INTERCHANGEABLE
TRANSFORMER,POWER
42393

Frequently Asked Questions

What is NSN 5330-00-948-7240?

NSN 5330-00-948-7240 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 5330-00-948-7240?

NSN 5330-00-948-7240 has 7 cross-referenced part numbers: 42393 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 42426CRWH1 (Zf Industrieantriebe Witten Gmbh), 1366ASS413 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 52508T4 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 42426 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions) and 2 more.

What NSN replaces 5330-00-948-7240?

There are 12 known substitutes for 5330-00-948-7240: 2930-00-377-5189, 2990-00-401-4027, 5120-00-596-0836 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42393?

Key specifications for 42393: Seal Width: 0.425 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN; Temp Rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF; Case Style: SQUARE; Housing Bore Diameter: 5.251 INCHES NOMINAL IN. 10 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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