PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40185Seal,plain Encased

Federal-Mogul Corp Chassis Products Div · NSN 5330-00-135-9331 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-135-9331 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-135-9331. Primary manufacturer part number: 40185.
Features
  • Seal,plain Encased — FSC 5330
  • Housing Bore Diameter: 2.502 INCHES NOMINAL IN
  • Outside Diameter: 2.506 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Material: STEEL CASE
  • Sealing Element Style: ANGULAR
  • Surface Treatment: PLASTIC CASE
  • Case Style: SQUARE
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 5330-00-135-9331, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal-Mogul Corp Chassis Products Div. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN5330-00-135-9331
Primary Part Number40185
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerFederal-Mogul Corp Chassis Products Div
StatusACTIVE
Housing Bore Diameter2.502 INCHES NOMINAL IN
Outside Diameter2.506 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT
MaterialSTEEL CASE
Sealing Element StyleANGULAR
Surface TreatmentPLASTIC CASE
Case StyleSQUARE
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Seal Width0.250 INCHES NOMINAL IN
Temp Rating-65.0 CELSIUS AND 225.0 CELSIUS DEGC
Accommodated Shaft Diameter1.563 INCHES NOMINAL IN
Attachment MethodCEMENTED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2990-00-041-2985 INTERCHANGEABLE
Muffler,exhaust
5310-00-058-1488 INTERCHANGEABLE
Nut,plain,hexagon
5977-00-090-2604 INTERCHANGEABLE
Brush,electrical Contact
5360-00-104-5226 INTERCHANGEABLE
Spring,helical,torsion
5910-00-112-73838A28546 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
General Dynamics Mission Systems, Inc. Dba Gdms
5136-00-197-95547244 INTERCHANGEABLE
Die,rethreading
Stanley Tools Div of Stanley Works
4310-00-377-8995204-118 INTERCHANGEABLE
Ring Set,piston
Dresser Industries Inc Leroi Div
5930-00-407-168515649 INTERCHANGEABLE
Switch Assembly
Leica Inc Surveying and Photogrammetry Systems Div
4220-00-431-6517NS114128 INTERCHANGEABLE
Divers Compass,wris
Aqualung Usa, Inc
6150-00-628-5100 INTERCHANGEABLE
Lead,electrical
Cross-Reference Index
Part NumberManufacturer
40185 Federal-Mogul Corp Chassis Products Div (USA)
M2224 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
7244 Federal-Mogul Corp Government Sales Dept (USA)
15649 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
2990-00-041-2985INTERCHANGEABLE
MUFFLER,EXHAUST
5310-00-058-1488INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5977-00-090-2604INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5360-00-104-5226INTERCHANGEABLE
SPRING,HELICAL,TORSION
5910-00-112-7383INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
8A28546
5136-00-197-9554INTERCHANGEABLE
DIE,RETHREADING
7244
4310-00-377-8995INTERCHANGEABLE
RING SET,PISTON
204-118
5930-00-407-1685INTERCHANGEABLE
SWITCH ASSEMBLY
15649
4220-00-431-6517INTERCHANGEABLE
DIVERS COMPASS,WRIS
NS114128
6150-00-628-5100INTERCHANGEABLE
LEAD,ELECTRICAL
5330-00-850-7977INTERCHANGEABLE
GASKET
648775
6220-00-869-3712INTERCHANGEABLE
STOP LIGHT-TAILLIGHT,VEHICULAR
40009R-24

Frequently Asked Questions

What is NSN 5330-00-135-9331?

NSN 5330-00-135-9331 is a Seal,plain Encased, manufactured by Federal-Mogul Corp Chassis Products Div, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-135-9331?

NSN 5330-00-135-9331 has 4 cross-referenced part numbers: 40185 (Federal-Mogul Corp Chassis Products Div), M2224 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 7244 (Federal-Mogul Corp Government Sales Dept), 15649 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-00-135-9331?

There are 12 known substitutes for 5330-00-135-9331: 2990-00-041-2985, 5310-00-058-1488, 5977-00-090-2604 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40185?

Key specifications for 40185: Housing Bore Diameter: 2.502 INCHES NOMINAL IN; Outside Diameter: 2.506 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC SEALING ELEMENT; Material: STEEL CASE. 12 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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