PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-235Seal,plain Encased

WS Darley & Co Div Ohler Pump · NSN 5330-00-819-4030 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-819-4030 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-819-4030. Primary manufacturer part number: A-235.
Features
  • Seal,plain Encased — FSC 5330
  • Seal Width: 1.110 INCHES NOMINAL IN
  • Case Style: SQUARE
  • Accommodated Shaft Diameter: 0.640 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
  • Material: STEEL CORROSION RESISTING ENDS
  • Sealing Element Style: VERTICAL
  • 3 verified cross-references
  • Primary manufacturer: WS Darley & Co Div Ohler Pump
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Corrosion Resisting Ends construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-819-4030, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is WS Darley & Co Div Ohler Pump. Government technical data includes 5 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-819-4030
Primary Part NumberA-235
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerWS Darley & Co Div Ohler Pump
StatusACTIVE
Seal Width1.110 INCHES NOMINAL IN
Case StyleSQUARE
Accommodated Shaft Diameter0.640 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
MaterialSTEEL CORROSION RESISTING ENDS
Sealing Element StyleVERTICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3040-00-179-6671A5-35 INTERCHANGEABLE
Shaft,straight
Roller Bearing Co of America, Inc Div Pic Design
5950-00-466-1609A235 INTERCHANGEABLE
Transformer,radio Frequency
Communication Coil, Inc. Div -
5950-00-501-2038278-0353-011 INTERCHANGEABLE
Transformer,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
4730-00-684-7446 INTERCHANGEABLE
Reducer,tube
5940-00-998-61265019 INTERCHANGEABLE
Terminal,quick Disconnect
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
3426-01-415-0950301532 INTERCHANGEABLE
Basket,dipping-Draining
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4320-01-503-1430301532 INTERCHANGEABLE
Parts Kit,rotary Pump
Mega Corp.
5340-01-615-1574301532 INTERCHANGEABLE
Bracket,mounting
Mastsystem Int'l Oy
Cross-Reference Index
Part NumberManufacturer
B5-45-2757 Edgewood Chemical Biological Center Ecbc (USA)
A-235 PRIMARY WS Darley & Co Div Ohler Pump (USA)
301532 PRIMARY Itt Marlow a Unit of Itt Pumps and Compressors Div (USA)
Related Parts
3040-00-179-6671INTERCHANGEABLE
SHAFT,STRAIGHT
A5-35
5950-00-466-1609INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
A235
5950-00-501-2038INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
278-0353-011
4730-00-684-7446INTERCHANGEABLE
REDUCER,TUBE
5940-00-998-6126INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
5019
3426-01-415-0950INTERCHANGEABLE
BASKET,DIPPING-DRAINING
301532
4320-01-503-1430INTERCHANGEABLE
PARTS KIT,ROTARY PUMP
301532
5340-01-615-1574INTERCHANGEABLE
BRACKET,MOUNTING
301532

Frequently Asked Questions

What is NSN 5330-00-819-4030?

NSN 5330-00-819-4030 is a Seal,plain Encased, manufactured by WS Darley & Co Div Ohler Pump, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-819-4030?

NSN 5330-00-819-4030 has 3 cross-referenced part numbers: B5-45-2757 (Edgewood Chemical Biological Center Ecbc), A-235 (WS Darley & Co Div Ohler Pump), 301532 (Itt Marlow a Unit of Itt Pumps and Compressors Div).

What NSN replaces 5330-00-819-4030?

There are 8 known substitutes for 5330-00-819-4030: 3040-00-179-6671, 5950-00-466-1609, 5950-00-501-2038 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-235?

Key specifications for A-235: Seal Width: 1.110 INCHES NOMINAL IN; Case Style: SQUARE; Accommodated Shaft Diameter: 0.640 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN; Material: STEEL CORROSION RESISTING ENDS. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com