PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2246F1PC157O-Ring

Babcock & Wilcox Co · NSN 5331-01-037-8179 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-037-8179 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-037-8179. Primary manufacturer part number: 2246F1PC157.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Cross-Sectional Height: 0.188 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Babcock & Wilcox Co
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-037-8179, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Babcock & Wilcox Co. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-037-8179
Primary Part Number2246F1PC157
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerBabcock & Wilcox Co
StatusACTIVE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Cross-Sectional Height0.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5331-00-167-51502-269V1226-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5945-01-278-490135502800J02 INTERCHANGEABLE
Relay,electromagnetic
Magnatrol Valve Corp Div Clark-Cooper
Cross-Reference Index
Part NumberManufacturer
35528A Babcock & Wilcox Co (USA)
2246F1PC157 PRIMARY Babcock & Wilcox Co (USA)
Related Parts
5331-00-167-5150INTERCHANGEABLE
O-RING
2-269V1226-75
5945-01-278-4901INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
35502800J02

Frequently Asked Questions

What is NSN 5331-01-037-8179?

NSN 5331-01-037-8179 is a O-Ring, manufactured by Babcock & Wilcox Co, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-037-8179?

NSN 5331-01-037-8179 has 2 cross-referenced part numbers: 35528A (Babcock & Wilcox Co), 2246F1PC157 (Babcock & Wilcox Co).

What NSN replaces 5331-01-037-8179?

There are 2 known substitutes for 5331-01-037-8179: 5331-00-167-5150, 5945-01-278-4901. Verify interchangeability with system specifications before substitution.

What are the specifications of 2246F1PC157?

Key specifications for 2246F1PC157: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.188 INCHES NOMINAL IN. 2 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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