PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WS245Seal,plain Encased

Whirlwind Inc · NSN 5330-00-291-6391 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-291-6391 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-291-6391. Primary manufacturer part number: WS245.
Features
  • Seal,plain Encased — FSC 5330
  • Housing Bore Diameter: 1.250 INCHES NOMINAL IN
  • Seal Width: 0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
  • Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Accommodated Shaft Diameter: 0.625 INCHES NOMINAL IN
  • Sealing Element Style: ANGULAR
  • Case Style: SQUARE
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Leather or Rubber Synthetic Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-291-6391, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Whirlwind Inc. Government technical data includes 7 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-291-6391
Primary Part NumberWS245
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerWhirlwind Inc
StatusACTIVE
Housing Bore Diameter1.250 INCHES NOMINAL IN
Seal Width0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
MaterialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Accommodated Shaft Diameter0.625 INCHES NOMINAL IN
Sealing Element StyleANGULAR
Case StyleSQUARE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5945-00-237-1715SCD3277 INTERCHANGEABLE
Relay,electromagnetic
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-00-298-5767 INTERCHANGEABLE
Seal,plain Encased
6150-01-111-171717743 INTERCHANGEABLE
Cable Assembly,power,electrical
Volex, Inc. Dba Volex Power Cord Products Div Volex Inc.
5950-01-138-357312420 INTERCHANGEABLE
Transformer,radio Frequency
Standex Electronics, Inc.
5945-01-169-423412420 INTERCHANGEABLE
Relay,solid State
Versitron Inc
6145-01-340-807112420 INTERCHANGEABLE
Wire,electrical
Auto Vehicle Parts Co Dba Au-Ve-Co
3040-01-356-867212420-G INTERCHANGEABLE
Shaft,shouldered
DP Manufacturing Inc.
5910-01-496-822112420 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
Cornell-Dubilier Marketing Inc
6520-01-575-69252180 INTERCHANGEABLE
Resin,restorative,dental
Ultradent Products Inc
5340-01-619-7604 INTERCHANGEABLE
Bracket,mounting
Cross-Reference Index
Part NumberManufacturer
WS245 Whirlwind Inc (USA)
12420 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
5945-00-237-1715INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
SCD3277
5330-00-298-5767INTERCHANGEABLE
SEAL,PLAIN ENCASED
6150-01-111-1717INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
17743
5950-01-138-3573INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
12420
5945-01-169-4234INTERCHANGEABLE
RELAY,SOLID STATE
12420
6145-01-340-8071INTERCHANGEABLE
WIRE,ELECTRICAL
12420
3040-01-356-8672INTERCHANGEABLE
SHAFT,SHOULDERED
12420-G
5910-01-496-8221INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
12420
6520-01-575-6925INTERCHANGEABLE
RESIN,RESTORATIVE,DENTAL
2180
5340-01-619-7604INTERCHANGEABLE
BRACKET,MOUNTING
6530-01-631-1251INTERCHANGEABLE
TUBING,STERILIZATION

Frequently Asked Questions

What is NSN 5330-00-291-6391?

NSN 5330-00-291-6391 is a Seal,plain Encased, manufactured by Whirlwind Inc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-291-6391?

NSN 5330-00-291-6391 has 2 cross-referenced part numbers: WS245 (Whirlwind Inc), 12420 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-00-291-6391?

There are 11 known substitutes for 5330-00-291-6391: 5945-00-237-1715, 5330-00-298-5767, 6150-01-111-1717 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WS245?

Key specifications for WS245: Housing Bore Diameter: 1.250 INCHES NOMINAL IN; Seal Width: 0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN; Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT. 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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