PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20A11CM008O-Ring

Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions · NSN 5331-01-275-1861 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-275-1861 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-275-1861. Primary manufacturer part number: 20A11CM008.
Features
  • O-Ring — FSC 5331
  • 5 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-275-1861, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersCurtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (CAGE 8FGX3); Dresser-Rand Co Worthington Compressor Opn a Joint Venture (CAGE 93236); Siemens Energy, Inc. Dba Dresser-Rand (CAGE 0AT62)
Technical Specifications
ParameterValue
NSN5331-01-275-1861
Primary Part Number20A11CM008
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCurtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5331-00-113-3804 INTERCHANGEABLE
O-Ring
5330-00-116-5811 INTERCHANGEABLE
Packing,preformed
Cross-Reference Index
Part NumberManufacturer
20A11CM008 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
8940B Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
20A11CM008 Siemens Energy, Inc. Dba Dresser-Rand (USA)
8940B Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
8940B Siemens Energy, Inc. Dba Dresser-Rand (USA)
Related Parts
5331-00-113-3804INTERCHANGEABLE
O-RING
5330-00-116-5811INTERCHANGEABLE
PACKING,PREFORMED

Frequently Asked Questions

What is NSN 5331-01-275-1861?

NSN 5331-01-275-1861 is a O-Ring, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-275-1861?

NSN 5331-01-275-1861 has 5 cross-referenced part numbers: 20A11CM008 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 8940B (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), 20A11CM008 (Siemens Energy, Inc. Dba Dresser-Rand), 8940B (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 8940B (Siemens Energy, Inc. Dba Dresser-Rand).

What NSN replaces 5331-01-275-1861?

There are 2 known substitutes for 5331-01-275-1861: 5331-00-113-3804, 5330-00-116-5811. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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