PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23557 ITEM 15O-Ring

Ulstein Usa Inc · NSN 5331-01-497-3441 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-497-3441 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-497-3441. Primary manufacturer part number: 23557 ITEM 15.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SYNTHETIC
  • 3 verified cross-references
  • Primary manufacturer: Ulstein Usa Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-497-3441, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Ulstein Usa Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN5331-01-497-3441
Primary Part Number23557 ITEM 15
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerUlstein Usa Inc
StatusACTIVE
MaterialRUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-291-7430200340 INTERCHANGEABLE
Gasket
Sealcraft Corporation
1377-00-596-9673200340 INTERCHANGEABLE
Cartridge,aircraft Fire Extingui
Applied Energy Technology Corp
5930-00-871-9008212-8719-1 INTERCHANGEABLE
Switch,rotary
Cts Corp Electromechanical Div
4730-01-268-8266200340 INTERCHANGEABLE
Plug,pipe
Dana Off Highway Products, Llc
Cross-Reference Index
Part NumberManufacturer
23557 ITEM 15 Ulstein Usa Inc (USA)
UFR-23557 ITEM 15 Rolls-Royce Marine North America Inc (USA)
200-340 Ulstein Usa Inc (USA)
Related Parts
5330-00-291-7430INTERCHANGEABLE
GASKET
200340
1377-00-596-9673INTERCHANGEABLE
CARTRIDGE,AIRCRAFT FIRE EXTINGUI
200340
5930-00-871-9008INTERCHANGEABLE
SWITCH,ROTARY
212-8719-1
4730-01-268-8266INTERCHANGEABLE
PLUG,PIPE
200340

Frequently Asked Questions

What is NSN 5331-01-497-3441?

NSN 5331-01-497-3441 is a O-Ring, manufactured by Ulstein Usa Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-497-3441?

NSN 5331-01-497-3441 has 3 cross-referenced part numbers: 23557 ITEM 15 (Ulstein Usa Inc), UFR-23557 ITEM 15 (Rolls-Royce Marine North America Inc), 200-340 (Ulstein Usa Inc).

What NSN replaces 5331-01-497-3441?

There are 4 known substitutes for 5331-01-497-3441: 5330-00-291-7430, 1377-00-596-9673, 5930-00-871-9008 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23557 ITEM 15?

Key specifications for 23557 ITEM 15: End Item Identification: CONTROL VALVE ASSEMBLY (0JKF4)23557;PUMP UNIT PE 2-1/2 AND 3 INCH IN; Part Name Assigned by Controlling Agency: O-RING 85.10X5.34; Material: RUBBER SYNTHETIC. 3 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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