PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25789O-Ring

Kalmar Solutions Ab · NSN 5331-00-420-9289 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-420-9289 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-420-9289. Primary manufacturer part number: 25789.
Features
  • O-Ring — FSC 5331
  • 4 verified cross-references
  • Primary manufacturer: Kalmar Solutions Ab
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-00-420-9289, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Kalmar Solutions Ab. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersCargotec Sweden Ab, Hiab (CAGE S0213); Varta-Pertrix-Union Gmbh (CAGE D1204); Kalmar Solutions Ab (CAGE A185N); Weldmac Manufacturing Company (CAGE 50213)
Technical Specifications
ParameterValue
NSN5331-00-420-9289
Primary Part Number25789
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerKalmar Solutions Ab
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2940-00-141-9026 INTERCHANGEABLE
Filter Element,fluid
3040-00-204-951425789 INTERCHANGEABLE
Differential Gear Unit
Southern Gear & Machine Inc
5331-00-297-630025789 INTERCHANGEABLE
O-Ring
Hamilton Sundstrand Corporation
5340-01-244-796625789 INTERCHANGEABLE
Seat,helical Compression Spring
Collins Engine Nozzles, Inc
5340-01-437-237425789 INTERCHANGEABLE
Plate,mounting
Paccar Winch Inc Dba Paccar Winch Division
2940-01-581-237925789 INTERCHANGEABLE
Filter Element,fluid
Itw Gse Inc.
Cross-Reference Index
Part NumberManufacturer
25789 Cargotec Sweden Ab, Hiab (SWE)
25789 Varta-Pertrix-Union Gmbh (DEU)
25789 PRIMARY Kalmar Solutions Ab (SWE)
9933417 Weldmac Manufacturing Company (USA)
Related Parts
2940-00-141-9026INTERCHANGEABLE
FILTER ELEMENT,FLUID
3040-00-204-9514INTERCHANGEABLE
DIFFERENTIAL GEAR UNIT
25789
5331-00-297-6300INTERCHANGEABLE
O-RING
25789
5340-01-244-7966INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
25789
5340-01-437-2374INTERCHANGEABLE
PLATE,MOUNTING
25789
2940-01-581-2379INTERCHANGEABLE
FILTER ELEMENT,FLUID
25789

Frequently Asked Questions

What is NSN 5331-00-420-9289?

NSN 5331-00-420-9289 is a O-Ring, manufactured by Kalmar Solutions Ab, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-420-9289?

NSN 5331-00-420-9289 has 4 cross-referenced part numbers: 25789 (Cargotec Sweden Ab, Hiab), 25789 (Varta-Pertrix-Union Gmbh), 25789 (Kalmar Solutions Ab), 9933417 (Weldmac Manufacturing Company).

What NSN replaces 5331-00-420-9289?

There are 6 known substitutes for 5331-00-420-9289: 2940-00-141-9026, 3040-00-204-9514, 5331-00-297-6300 and 3 more. Verify interchangeability with system specifications before substitution.

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