PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43764Seal,plain Encased

Skf Usa Inc Div Vsm · NSN 5330-01-191-2997 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-191-2997 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-191-2997. Primary manufacturer part number: 43764.
Features
  • Seal,plain Encased — FSC 5330
  • Housing Bore Diameter: 5.905 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 4.375 INCHES NOMINAL IN
  • Case Style: SQUARE
  • Seal Width: 1.000 INCHES NOMINAL IN
  • Outside Diameter: 5.910 INCHES NOMINAL IN
  • Sealing Element Style: VERTICAL
  • Material: STEEL CASE
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 5330-01-191-2997, 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 Div Vsm. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-191-2997
Primary Part Number43764
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc Div Vsm
StatusACTIVE
Housing Bore Diameter5.905 INCHES NOMINAL IN
Accommodated Shaft Diameter4.375 INCHES NOMINAL IN
Case StyleSQUARE
Seal Width1.000 INCHES NOMINAL IN
Outside Diameter5.910 INCHES NOMINAL IN
Sealing Element StyleVERTICAL
MaterialSTEEL CASE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
Material Document and ClassificationDUROTEMP MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT
MaterialSTEEL SPRING
Surface TreatmentPLASTIC CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-175-7301860399 INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon
4730-00-266-0543SAE J513 10-8 010102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
5999-00-802-6785H42 INTERCHANGEABLE
Heater,thermal Release
Siemens Energy and Automation Inc Siemens Furnas Controls Div
Cross-Reference Index
Part NumberManufacturer
43764 PRIMARY Skf Usa Inc Div Vsm (USA)
32QJ252 Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations (USA)
CHR 43764 Daimler Truck North America Llc (USA)
32QJ245 Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations (USA)
00085311035576 Skf Usa Inc Div Vsm (USA)
43764 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
5950-00-175-7301INTERCHANGEABLE
REACTOR
860399
4730-00-266-0543INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J513 10-8 010102BA
5999-00-802-6785INTERCHANGEABLE
HEATER,THERMAL RELEASE
H42

Frequently Asked Questions

What is NSN 5330-01-191-2997?

NSN 5330-01-191-2997 is a Seal,plain Encased, manufactured by Skf Usa Inc Div Vsm, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-191-2997?

NSN 5330-01-191-2997 has 6 cross-referenced part numbers: 43764 (Skf Usa Inc Div Vsm), 32QJ252 (Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations), CHR 43764 (Daimler Truck North America Llc), 32QJ245 (Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations), 00085311035576 (Skf Usa Inc Div Vsm) and 1 more.

What NSN replaces 5330-01-191-2997?

There are 3 known substitutes for 5330-01-191-2997: 5950-00-175-7301, 4730-00-266-0543, 5999-00-802-6785. Verify interchangeability with system specifications before substitution.

What are the specifications of 43764?

Key specifications for 43764: Housing Bore Diameter: 5.905 INCHES NOMINAL IN; Accommodated Shaft Diameter: 4.375 INCHES NOMINAL IN; Case Style: SQUARE; Seal Width: 1.000 INCHES NOMINAL IN. 13 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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