PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

575420M1Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-837-9550 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-837-9550 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-837-9550. Primary manufacturer part number: 575420M1.
Features
  • Seal,plain Encased — FSC 5330
  • Material: STEEL CASE
  • Case Style: SQUARE
  • Accommodated Shaft Diameter: 4.625 INCHES NOMINAL IN
  • Housing Bore Diameter: 5.751 INCHES NOMINAL IN
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Seal Width: 0.562 INCHES NOMINAL IN
  • Sealing Element Style: ANGULAR
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 5330-00-837-9550, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-837-9550
Primary Part Number575420M1
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusCANCELLED
MaterialSTEEL CASE
Case StyleSQUARE
Accommodated Shaft Diameter4.625 INCHES NOMINAL IN
Housing Bore Diameter5.751 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Seal Width0.562 INCHES NOMINAL IN
Sealing Element StyleANGULAR
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5330-00-017-2767575420M1 INTERCHANGEABLE
Seal,oil
Heligear Acquisition Co. Dba Northstar Aerospace, Inc.
5360-00-797-4473135999 INTERCHANGEABLE
Spring,helical,compression
Honeywell International, Inc Div Aerospace-Tucson
5826-01-194-5787135999 INTERCHANGEABLE
Mounting Plate Asse
Astronautics Corporation of America
5330-01-289-77429893 INTERCHANGEABLE
Seal,plain
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
6145-01-306-49209893 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
6515-01-385-60969893 INTERCHANGEABLE
Retriever,suture
Linvatec Corporation Div Linvatec
1025-01-445-0991135999 INTERCHANGEABLE
Howitzer,medium,towed
Cadillac Gage Textron Inc.
6515-01-569-6993532.012 INTERCHANGEABLE
Coupling,j-Latch,battery Drive
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
575420M1 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
16680P11 Taylor Machine Works Inc (USA)
18-5E343 Meritor Heavy Vehicle Systems, Llc (USA)
415371SBR Federal-Mogul Corp Government Sales Dept (USA)
A1805E343 Meritor Heavy Vehicle Systems, Llc (USA)
135999 Komatsu American Intl Co (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
9893 Zf Industrieantriebe Witten Gmbh (DEU)
415371 Zf Industrieantriebe Witten Gmbh (DEU)
A185E343 Meritor Industrial Products, Llc (USA)
Related Parts
5330-00-017-2767INTERCHANGEABLE
SEAL,OIL
575420M1
5360-00-797-4473INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
135999
5826-01-194-5787INTERCHANGEABLE
MOUNTING PLATE ASSE
135999
5330-01-289-7742INTERCHANGEABLE
SEAL,PLAIN
9893
6145-01-306-4920INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
9893
6515-01-385-6096INTERCHANGEABLE
RETRIEVER,SUTURE
9893
1025-01-445-0991INTERCHANGEABLE
HOWITZER,MEDIUM,TOWED
135999
6515-01-569-6993INTERCHANGEABLE
COUPLING,J-LATCH,BATTERY DRIVE
532.012

Frequently Asked Questions

What is NSN 5330-00-837-9550?

NSN 5330-00-837-9550 is a Seal,plain Encased, manufactured by Skf Usa Inc. Dba Skf Aerospace Sealing Solutions, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-837-9550?

NSN 5330-00-837-9550 has 10 cross-referenced part numbers: 575420M1 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 16680P11 (Taylor Machine Works Inc), 18-5E343 (Meritor Heavy Vehicle Systems, Llc), 415371SBR (Federal-Mogul Corp Government Sales Dept), A1805E343 (Meritor Heavy Vehicle Systems, Llc) and 5 more.

What NSN replaces 5330-00-837-9550?

There are 8 known substitutes for 5330-00-837-9550: 5330-00-017-2767, 5360-00-797-4473, 5826-01-194-5787 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 575420M1?

Key specifications for 575420M1: Material: STEEL CASE; Case Style: SQUARE; Accommodated Shaft Diameter: 4.625 INCHES NOMINAL IN; Housing Bore Diameter: 5.751 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-837-9550 still in active supply?

NSN 5330-00-837-9550 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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