PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CB85-23Seal,plain Encased

Vanseal Corp · NSN 5330-00-947-4293 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-947-4293 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-947-4293. Primary manufacturer part number: CB85-23.
Features
  • Seal,plain Encased — FSC 5330
  • Seal Width: 0.313 INCHES NOMINAL IN
  • Sealing Element Style: ANGULAR
  • Accommodated Shaft Diameter: 0.750 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING CASE
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Case Style: SQUARE
  • Housing Bore Diameter: 1.375 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Corrosion Resisting Case construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-947-4293, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Vanseal Corp. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-947-4293
Primary Part NumberCB85-23
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerVanseal Corp
StatusACTIVE
Seal Width0.313 INCHES NOMINAL IN
Sealing Element StyleANGULAR
Accommodated Shaft Diameter0.750 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING CASE
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Case StyleSQUARE
Housing Bore Diameter1.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6220-00-700-75877007587 INTERCHANGEABLE
Rim Headlight
U S Army Tank Automotive Command Amsta-Im-Mm
5840-00-847-778811050 INTERCHANGEABLE
Electronic,subassem
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
4410-01-282-8382 INTERCHANGEABLE
Heating Element,electrical,immer
5962-01-476-0336 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
CB85-23 PRIMARY Vanseal Corp (USA)
590040 Trellborg Somersworth (USA)
CB85-23 John Crane, Inc (USA)
Related Parts
6220-00-700-7587INTERCHANGEABLE
RIM HEADLIGHT
7007587
5840-00-847-7788INTERCHANGEABLE
ELECTRONIC,SUBASSEM
11050
4410-01-282-8382INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,IMMER
5962-01-476-0336INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 5330-00-947-4293?

NSN 5330-00-947-4293 is a Seal,plain Encased, manufactured by Vanseal Corp, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-947-4293?

NSN 5330-00-947-4293 has 3 cross-referenced part numbers: CB85-23 (Vanseal Corp), 590040 (Trellborg Somersworth), CB85-23 (John Crane, Inc).

What NSN replaces 5330-00-947-4293?

There are 4 known substitutes for 5330-00-947-4293: 6220-00-700-7587, 5840-00-847-7788, 4410-01-282-8382 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CB85-23?

Key specifications for CB85-23: Seal Width: 0.313 INCHES NOMINAL IN; Sealing Element Style: ANGULAR; Accommodated Shaft Diameter: 0.750 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING CASE. 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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