PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2181196O-Ring

Fairbanks Morse, Llc · NSN 5331-01-311-5327 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-311-5327 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-311-5327. Primary manufacturer part number: 2181196.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Fairbanks Morse, Llc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-311-5327, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Fairbanks Morse, Llc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-311-5327
Primary Part Number2181196
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerFairbanks Morse, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-00-576-97331-1345-4-149 INTERCHANGEABLE
O-Ring
Parker Hannifin Corporation Div Aerospace Group Headquarters
Cross-Reference Index
Part NumberManufacturer
2181196 Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA)
2181196 PRIMARY Fairbanks Morse, Llc (USA)
Related Parts
5331-00-576-9733INTERCHANGEABLE
O-RING
1-1345-4-149

Frequently Asked Questions

What is NSN 5331-01-311-5327?

NSN 5331-01-311-5327 is a O-Ring, manufactured by Fairbanks Morse, Llc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-311-5327?

NSN 5331-01-311-5327 has 2 cross-referenced part numbers: 2181196 (Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco), 2181196 (Fairbanks Morse, Llc).

What NSN replaces 5331-01-311-5327?

There is 1 known substitute for 5331-01-311-5327: 5331-00-576-9733. Verify interchangeability with system specifications before substitution.

What are the specifications of 2181196?

Key specifications for 2181196: End Item Identification: FUEL PUMP SUPPORT FOR MAIN PROPULSION DIESEL ENGINES; ALCO MODEL 251F18MS; ONBOARD 270 FT "B" CLASS COAST GUARD VESSELS FT. 1 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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