PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

220531O-Ring

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5331-00-641-7116 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-641-7116 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-641-7116. Primary manufacturer part number: 220531.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.091 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.290 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • 1 verified cross-reference
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
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 5331-00-641-7116, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-641-7116
Primary Part Number220531
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Cross-Sectional Height0.091 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
Center Hole Diameter1.290 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
7510-00-285-1728520008 INTERCHANGEABLE
Crayon Assortment,marking,colore
Crayola Llc Dba Crayola Store, the
2990-00-404-9948T-5388 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
Cross-Reference Index
Part NumberManufacturer
220531 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
7510-00-285-1728INTERCHANGEABLE
CRAYON ASSORTMENT,MARKING,COLORE
520008
2990-00-404-9948INTERCHANGEABLE
MUFFLER,EXHAUST
T-5388

Frequently Asked Questions

What is NSN 5331-00-641-7116?

NSN 5331-00-641-7116 is a O-Ring, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-641-7116?

NSN 5331-00-641-7116 has 1 cross-referenced part number: 220531 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5331-00-641-7116?

There are 2 known substitutes for 5331-00-641-7116: 7510-00-285-1728, 2990-00-404-9948. Verify interchangeability with system specifications before substitution.

What are the specifications of 220531?

Key specifications for 220531: Cross-Sectional Height: 0.091 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN; Center Hole Diameter: 1.290 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-641-7116 still in active supply?

NSN 5331-00-641-7116 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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