PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33S44150-2530Seal,plain Encased

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5330-00-178-5134 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-178-5134 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-178-5134. Primary manufacturer part number: 33S44150-2530.
Features
  • Seal,plain Encased — FSC 5330
  • Housing Bore Diameter: 3.000 INCHES NOMINAL IN
  • Sealing Element Style: ANGULAR
  • Material: STEEL CASE
  • Accommodated Shaft Diameter: 1.875 INCHES NOMINAL IN
  • Seal Width: 0.500 INCHES NOMINAL IN
  • Material: LEATHER SEALING ELEMENT
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
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 5330-00-178-5134, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-178-5134
Primary Part Number33S44150-2530
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
Housing Bore Diameter3.000 INCHES NOMINAL IN
Sealing Element StyleANGULAR
MaterialSTEEL CASE
Accommodated Shaft Diameter1.875 INCHES NOMINAL IN
Seal Width0.500 INCHES NOMINAL IN
MaterialLEATHER SEALING ELEMENT
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Case StyleSQUARE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3930-00-136-5071 INTERCHANGEABLE
Ring,hub Seal
3030-00-148-5070925-01-011-2213 INTERCHANGEABLE
Belt,v
Delta Intl Machinery Corp
5950-00-190-5718 INTERCHANGEABLE
Coil,radio Frequency
4140-00-202-7880 INTERCHANGEABLE
Impeller,fan,centrifugal
4140-00-255-92607606586 INTERCHANGEABLE
Impeller,fan,centrifugal
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
4140-00-287-5014300-128 INTERCHANGEABLE
Impeller,fan,centrifugal
Regal-Beloit Corporation Dba Fasco Group Div Cassville Division
4140-00-350-018140340-6 INTERCHANGEABLE
Impeller,fan,centrifugal
The Dewey Electronics Corporation
5815-00-392-2334 INTERCHANGEABLE
Lever
2910-00-424-4959C181-290 INTERCHANGEABLE
Parts Kit,carburetor
Zenith Fuel Systems Llc
6650-00-847-3492 INTERCHANGEABLE
Eyeshield,optical Instrument
Cross-Reference Index
Part NumberManufacturer
MI1891-32PC11 Mkt Geotechnical Systems (USA)
MB1782PC11 Mkt Geotechnical Systems (USA)
49035 Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
5WW1060-13 Amca Intl Corp Amclyde Engineered Products Div
33S44150-2530 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
300128 Amca Intl Corp Amclyde Engineered Products Div
E14-23-1402N PRIMARY Almon Johnson Ltd (USA)
300128 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
18814 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
3930-00-136-5071INTERCHANGEABLE
RING,HUB SEAL
3030-00-148-5070INTERCHANGEABLE
BELT,V
925-01-011-2213
5950-00-190-5718INTERCHANGEABLE
COIL,RADIO FREQUENCY
4140-00-202-7880INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
4140-00-255-9260INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
7606586
4140-00-287-5014INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
300-128
4140-00-350-0181INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
40340-6
5815-00-392-2334INTERCHANGEABLE
LEVER
2910-00-424-4959INTERCHANGEABLE
PARTS KIT,CARBURETOR
C181-290
6650-00-847-3492INTERCHANGEABLE
EYESHIELD,OPTICAL INSTRUMENT
5915-00-965-9836INTERCHANGEABLE
FILTER,BAND PASS
18814
6350-01-045-0000INTERCHANGEABLE
SENSING ELEMENT,FIRE DETECTOR SY
3001-28

Frequently Asked Questions

What is NSN 5330-00-178-5134?

NSN 5330-00-178-5134 is a Seal,plain Encased, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-178-5134?

NSN 5330-00-178-5134 has 9 cross-referenced part numbers: MI1891-32PC11 (Mkt Geotechnical Systems), MB1782PC11 (Mkt Geotechnical Systems), 49035 (Dana Automotive Systems Group, Llc Dba Dana Sealing Products), 5WW1060-13 (Amca Intl Corp Amclyde Engineered Products Div), 33S44150-2530 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 4 more.

What NSN replaces 5330-00-178-5134?

There are 12 known substitutes for 5330-00-178-5134: 3930-00-136-5071, 3030-00-148-5070, 5950-00-190-5718 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 33S44150-2530?

Key specifications for 33S44150-2530: Housing Bore Diameter: 3.000 INCHES NOMINAL IN; Sealing Element Style: ANGULAR; Material: STEEL CASE; Accommodated Shaft Diameter: 1.875 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-178-5134 still in active supply?

NSN 5330-00-178-5134 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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