PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11237Seal,plain Encased

Westerbeke Corporation · NSN 5330-00-861-8590 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-861-8590 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-861-8590. Primary manufacturer part number: 11237.
Features
  • Seal,plain Encased — FSC 5330
  • Housing Bore Diameter: 1.379 INCHES NOMINAL IN
  • Outside Diameter: 1.379 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Sealing Element Style: ANGULAR
  • Seal Width: 0.250 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 1.000 INCHES NOMINAL IN
  • Case Style: SQUARE
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 5330-00-861-8590, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Westerbeke Corporation. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 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
NSN5330-00-861-8590
Primary Part Number11237
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerWesterbeke Corporation
StatusACTIVE
Housing Bore Diameter1.379 INCHES NOMINAL IN
Outside Diameter1.379 INCHES NOMINAL IN
MaterialSTEEL CASE
Sealing Element StyleANGULAR
Seal Width0.250 INCHES NOMINAL IN
Accommodated Shaft Diameter1.000 INCHES NOMINAL IN
Case StyleSQUARE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3040-00-006-01799826B INTERCHANGEABLE
Spider,differential
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5935-00-163-375828JR103-1 INTERCHANGEABLE
Connector,receptacle,electrical
Souriau Usa, Inc. Dba Souriau Usa Inc
5365-00-202-934811237 INTERCHANGEABLE
Plug,machine Thread
Prestolite Electric Inc
5310-00-220-668211237 INTERCHANGEABLE
Nut,plain,hexagon
Napco International Llc Dba Napco International Inc
5315-00-221-7448 INTERCHANGEABLE
Pin,straight,headless
5136-00-223-622854780 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
4730-00-496-27007761915 INTERCHANGEABLE
Coupling,pipe
Patriot Valve & Fitting Corporation Dba Patriot Logistics
5995-00-497-20012524-A-18 INTERCHANGEABLE
Cord Assembly,electrical
Fluke Electronics Corp
5310-00-612-99697404671 INTERCHANGEABLE
Washer,permanent De
U S Army Tank Automotive Command Amsta-Im-Mm
6625-00-649-324419ML508 INTERCHANGEABLE
Meter,audio Level
Keysight Technologies Inc
Cross-Reference Index
Part NumberManufacturer
900016 Perkins Engines Inc (USA)
11237 PRIMARY Westerbeke Corporation (USA)
7826 STYLE 2 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
NA900016 Perkins Engines Inc (USA)
9826 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
11237 Lear Siegler Inc Sherwood Div (USA)
9826STYLE2 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
3040-00-006-0179INTERCHANGEABLE
SPIDER,DIFFERENTIAL
9826B
5935-00-163-3758INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
28JR103-1
5365-00-202-9348INTERCHANGEABLE
PLUG,MACHINE THREAD
11237
5310-00-220-6682INTERCHANGEABLE
NUT,PLAIN,HEXAGON
11237
5315-00-221-7448INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5136-00-223-6228INTERCHANGEABLE
TAP,THREAD CUTTING
54780
4730-00-496-2700INTERCHANGEABLE
COUPLING,PIPE
7761915
5995-00-497-2001INTERCHANGEABLE
CORD ASSEMBLY,ELECTRICAL
2524-A-18
5310-00-612-9969INTERCHANGEABLE
WASHER,PERMANENT DE
7404671
6625-00-649-3244INTERCHANGEABLE
METER,AUDIO LEVEL
19ML508
5905-00-723-7285INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
11237-001
3120-00-727-5256INTERCHANGEABLE
BUSHING,SLEEVE
11237

Frequently Asked Questions

What is NSN 5330-00-861-8590?

NSN 5330-00-861-8590 is a Seal,plain Encased, manufactured by Westerbeke Corporation, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-861-8590?

NSN 5330-00-861-8590 has 7 cross-referenced part numbers: 900016 (Perkins Engines Inc), 11237 (Westerbeke Corporation), 7826 STYLE 2 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), NA900016 (Perkins Engines Inc), 9826 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions) and 2 more.

What NSN replaces 5330-00-861-8590?

There are 12 known substitutes for 5330-00-861-8590: 3040-00-006-0179, 5935-00-163-3758, 5365-00-202-9348 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11237?

Key specifications for 11237: Housing Bore Diameter: 1.379 INCHES NOMINAL IN; Outside Diameter: 1.379 INCHES NOMINAL IN; Material: STEEL CASE; Sealing Element Style: ANGULAR. 7 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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