PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121022O-Ring

Donaldson Company, Inc. · NSN 5331-00-252-8839 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-252-8839 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-252-8839. Primary manufacturer part number: 121022.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Material: RUBBER
  • Center Hole Diameter: 7.454 INCHES MINIMUM AND 7.514 INCHES MAXIMUM IN
  • 1 verified cross-reference
  • Primary manufacturer: Donaldson Company, Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-252-8839, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Donaldson Company, Inc.. 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-252-8839
Primary Part Number121022
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerDonaldson Company, Inc.
StatusACTIVE
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MaterialRUBBER
Center Hole Diameter7.454 INCHES MINIMUM AND 7.514 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4730-00-041-1579 INTERCHANGEABLE
Adapter,straight,hose to Boss
5915-00-044-4218 INTERCHANGEABLE
Filter,band Pass
5136-00-729-5693 INTERCHANGEABLE
Tap,thread Cutting
3020-01-296-1475121022 INTERCHANGEABLE
Pulley
Reliance Electric Company Dba Reliance & Dodge Brands
4010-01-483-6382121022 INTERCHANGEABLE
Wire Rope Assembly,single Leg
Cadillac Gage Textron Inc.
3940-01-500-1241121022 INTERCHANGEABLE
Block,tackle
The Crosby Group Llc Dba the Crosby Group
8145-01-532-225612-1022 INTERCHANGEABLE
Soft Case,night Hunterii
Xenonics, Inc.
Cross-Reference Index
Part NumberManufacturer
121022 PRIMARY Donaldson Company, Inc. (USA)
Related Parts
4730-00-041-1579INTERCHANGEABLE
ADAPTER,STRAIGHT,HOSE TO BOSS
5915-00-044-4218INTERCHANGEABLE
FILTER,BAND PASS
5136-00-729-5693INTERCHANGEABLE
TAP,THREAD CUTTING
3020-01-296-1475INTERCHANGEABLE
PULLEY
121022
4010-01-483-6382INTERCHANGEABLE
WIRE ROPE ASSEMBLY,SINGLE LEG
121022
3940-01-500-1241INTERCHANGEABLE
BLOCK,TACKLE
121022
8145-01-532-2256INTERCHANGEABLE
SOFT CASE,NIGHT HUNTERII
12-1022

Frequently Asked Questions

What is NSN 5331-00-252-8839?

NSN 5331-00-252-8839 is a O-Ring, manufactured by Donaldson Company, Inc., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-252-8839?

NSN 5331-00-252-8839 has 1 cross-referenced part number: 121022 (Donaldson Company, Inc.).

What NSN replaces 5331-00-252-8839?

There are 7 known substitutes for 5331-00-252-8839: 4730-00-041-1579, 5915-00-044-4218, 5136-00-729-5693 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 121022?

Key specifications for 121022: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Material: RUBBER; Center Hole Diameter: 7.454 INCHES MINIMUM AND 7.514 INCHES MAXIMUM IN. 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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