PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

32403Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-01-359-4651 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-359-4651 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-359-4651. Primary manufacturer part number: 32403.
Features
  • Seal,plain Encased — FSC 5330
  • Material Document and Classification: SAE-J113 ASSN STD SINGLE MATERIAL RESPONSE SPRING
  • Material: STEEL CASE
  • Accommodated Shaft Diameter: 3.250 INCHES NOMINAL IN
  • Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM SEALING ELEMENT
  • Housing Bore Diameter: 4.2475 INCHES MINIMUM AND 4.2505 INCHES MAXIMUM IN
  • Case Style: RECESSED
  • Material: STEEL SPRING
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 5330-01-359-4651, 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. Dba Skf Aerospace Sealing Solutions. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-359-4651
Primary Part Number32403
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Material Document and ClassificationSAE-J113 ASSN STD SINGLE MATERIAL RESPONSE SPRING
MaterialSTEEL CASE
Accommodated Shaft Diameter3.250 INCHES NOMINAL IN
Hardness Rating70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM SEALING ELEMENT
Housing Bore Diameter4.2475 INCHES MINIMUM AND 4.2505 INCHES MAXIMUM IN
Case StyleRECESSED
MaterialSTEEL SPRING
Surface TreatmentPLASTIC CASE
Material Document and ClassificationASTM-D2000 ASSN STD SINGLE MATERIAL RESPONSE SEALING ELEMENT
MaterialRUBBER SEALING ELEMENT
Sealing Element StyleANGULAR
Seal Width0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
Outside Diameter4.254 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5940-00-230-050832403 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
3040-00-790-60328341-1 INTERCHANGEABLE
Ball Joint
Pdi Ground Support Systems, Inc.
7490-00-919-965132403 INTERCHANGEABLE
Hook and Eye,trip
Pitney Bowes Inc.
5950-01-094-3431324-03 INTERCHANGEABLE
Transformer,power
L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation
5985-01-298-983432403 INTERCHANGEABLE
Heat Exchanger Spec
Gast Mfg Corp
4820-01-567-31993240-3 INTERCHANGEABLE
Valve,flow Control
Gt Development Corp
Cross-Reference Index
Part NumberManufacturer
32403 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
174772 Northrop Grumman Systems Corporation (USA)
Related Parts
5940-00-230-0508INTERCHANGEABLE
TERMINAL,LUG
32403
3040-00-790-6032INTERCHANGEABLE
BALL JOINT
8341-1
7490-00-919-9651INTERCHANGEABLE
HOOK AND EYE,TRIP
32403
5950-01-094-3431INTERCHANGEABLE
TRANSFORMER,POWER
324-03
5985-01-298-9834INTERCHANGEABLE
HEAT EXCHANGER SPEC
32403
4820-01-567-3199INTERCHANGEABLE
VALVE,FLOW CONTROL
3240-3

Frequently Asked Questions

What is NSN 5330-01-359-4651?

NSN 5330-01-359-4651 is a Seal,plain Encased, manufactured by Skf Usa Inc. Dba Skf Aerospace Sealing Solutions, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-359-4651?

NSN 5330-01-359-4651 has 2 cross-referenced part numbers: 32403 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 174772 (Northrop Grumman Systems Corporation).

What NSN replaces 5330-01-359-4651?

There are 6 known substitutes for 5330-01-359-4651: 5940-00-230-0508, 3040-00-790-6032, 7490-00-919-9651 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 32403?

Key specifications for 32403: Material Document and Classification: SAE-J113 ASSN STD SINGLE MATERIAL RESPONSE SPRING; Material: STEEL CASE; Accommodated Shaft Diameter: 3.250 INCHES NOMINAL IN; Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM SEALING ELEMENT. 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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