PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43-909Seal,plain Encased

Federal-Mogul Corp Government Sales Dept · NSN 5330-00-297-6438 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-297-6438 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-297-6438. Primary manufacturer part number: 43-909.
Features
  • Seal,plain Encased — FSC 5330
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
  • Housing Bore Diameter: 4.748 INCHES MINIMUM AND 4.752 INCHES MAXIMUM IN
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Attachment Method: ROUND HOLE
  • Attachment Feature Circle Diameter: 4.000 INCHES NOMINAL SINGLE CIRCLE IN
  • Attachment Hole Diameter: 0.468 INCHES NOMINAL IN
  • Material Document and Classification: ASTM D2000,2BG910ALB1E3 ASSN STD SINGLE MATERIAL RESPONSE SEALING ELEMENT
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-297-6438, 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 Government Sales Dept. Government technical data includes 12 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
NSN5330-00-297-6438
Primary Part Number43-909
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerFederal-Mogul Corp Government Sales Dept
StatusCANCELLED
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
Housing Bore Diameter4.748 INCHES MINIMUM AND 4.752 INCHES MAXIMUM IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Attachment MethodROUND HOLE
Attachment Feature Circle Diameter4.000 INCHES NOMINAL SINGLE CIRCLE IN
Attachment Hole Diameter0.468 INCHES NOMINAL IN
Material Document and ClassificationASTM D2000,2BG910ALB1E3 ASSN STD SINGLE MATERIAL RESPONSE SEALING ELEMENT
Seal Width0.475 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN
Attachment Feature Quantity6
Sealing Element StyleANGULAR
Case StyleSHOULDERED
Accommodated Shaft Diameter2.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2825-00-076-3833500125 INTERCHANGEABLE
Nozzle Block,turbin
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
5305-00-081-303086009 INTERCHANGEABLE
Screw,tapping
Eaton Aerospace, Llc Dba Jackson South
5305-00-151-1681 INTERCHANGEABLE
Screw,machine
8010-00-200-3259 INTERCHANGEABLE
Enamel,heat Resisting
5120-00-235-5828 INTERCHANGEABLE
Socket,socket Wrench
5110-00-236-3272 INTERCHANGEABLE
Chisel,cold,hand
2590-00-253-7421292481 INTERCHANGEABLE
Cap,filler Opening
Briggs and Stratton Corp
9540-00-277-6270 INTERCHANGEABLE
Angle,structural
5915-00-315-3557 INTERCHANGEABLE
Network,impedance Matching
1650-00-317-556186009 INTERCHANGEABLE
Cylinder,hydraulic Accumulator
Hydro-Aire Aerospace Corp
Cross-Reference Index
Part NumberManufacturer
43-909 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
43909 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
86009 Fitzgerald Gasket a Co of Tannetics Inc (USA)
915496 PRIMARY Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
SP202306J Michigan Leather Products Co (USA)
11106 Lektra Service Corp (USA)
500125 CAGE 00000
6077 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
49857 Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
Related Parts
2825-00-076-3833INTERCHANGEABLE
NOZZLE BLOCK,TURBIN
500125
5305-00-081-3030INTERCHANGEABLE
SCREW,TAPPING
86009
5305-00-151-1681INTERCHANGEABLE
SCREW,MACHINE
8010-00-200-3259INTERCHANGEABLE
ENAMEL,HEAT RESISTING
5120-00-235-5828INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5110-00-236-3272INTERCHANGEABLE
CHISEL,COLD,HAND
2590-00-253-7421INTERCHANGEABLE
CAP,FILLER OPENING
292481
9540-00-277-6270INTERCHANGEABLE
ANGLE,STRUCTURAL
5915-00-315-3557INTERCHANGEABLE
NETWORK,IMPEDANCE MATCHING
1650-00-317-5561INTERCHANGEABLE
CYLINDER,HYDRAULIC ACCUMULATOR
86009
5360-00-350-6316INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
44142
5360-00-351-4917INTERCHANGEABLE
SPRING,HELICAL,TORSION

Frequently Asked Questions

What is NSN 5330-00-297-6438?

NSN 5330-00-297-6438 is a Seal,plain Encased, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-297-6438?

NSN 5330-00-297-6438 has 9 cross-referenced part numbers: 43-909 (Federal-Mogul Corp Government Sales Dept), 43909 (Federal-Mogul Corp Government Sales Dept), 86009 (Fitzgerald Gasket a Co of Tannetics Inc), 915496 (Chrysler Realty Company Llc Dba Daimler Chrysler), SP202306J (Michigan Leather Products Co) and 4 more.

What NSN replaces 5330-00-297-6438?

There are 12 known substitutes for 5330-00-297-6438: 2825-00-076-3833, 5305-00-081-3030, 5305-00-151-1681 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43-909?

Key specifications for 43-909: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT; Housing Bore Diameter: 4.748 INCHES MINIMUM AND 4.752 INCHES MAXIMUM IN; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT; Attachment Method: ROUND HOLE. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-297-6438 still in active supply?

NSN 5330-00-297-6438 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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