PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12522O-Ring

Sundstrand Corp · NSN 5331-01-006-3933 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-006-3933 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-006-3933. Primary manufacturer part number: 12522.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.109 INCHES NOMINAL IN
  • Material: RUBBER
  • 3 verified cross-references
  • Primary manufacturer: Sundstrand Corp
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 5331-01-006-3933, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Sundstrand Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-006-3933
Primary Part Number12522
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSundstrand Corp
StatusACTIVE
Cross-Sectional Height0.109 INCHES NOMINAL IN
MaterialRUBBER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-019-5915900123-0036 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5910-00-110-8712 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
5331-00-218-0390125122 INTERCHANGEABLE
O-Ring
Suntec Industries Inc Del Dba Suntec
6685-00-255-03921R05C INTERCHANGEABLE
Thermometer,self-Indicating,bime
Ashcroft Inc Dba Heise
5935-00-258-9109P310CCT INTERCHANGEABLE
Connector,plug,electrical
Cinch Connectivity Solutions Inc.
5920-00-280-5066 INTERCHANGEABLE
Fuse,cartridge
6105-00-284-0436 INTERCHANGEABLE
Armature,motor
5330-00-292-1593102039 INTERCHANGEABLE
Seal,plain Encased
Aqua-Chem, Inc. Dba Aqua-Chem Inc
4730-00-335-3479125-22 INTERCHANGEABLE
Connector,multiple,fluid Pressur
Crane Carrier Company, Llc
5305-00-514-7698125122 INTERCHANGEABLE
Screw,machine
Telemechanics Inc
Cross-Reference Index
Part NumberManufacturer
123632 Sundstrand Corp Sundstrand Hydraulics Div (USA)
125122 Sundstrand Corp Sundstrand Hydraulics Div (USA)
12522 PRIMARY Sundstrand Corp (USA)
Related Parts
5950-00-019-5915INTERCHANGEABLE
TRANSFORMER,POWER
900123-0036
5910-00-110-8712INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
5331-00-218-0390INTERCHANGEABLE
O-RING
125122
6685-00-255-0392INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
1R05C
5935-00-258-9109INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
P310CCT
5920-00-280-5066INTERCHANGEABLE
FUSE,CARTRIDGE
6105-00-284-0436INTERCHANGEABLE
ARMATURE,MOTOR
5330-00-292-1593INTERCHANGEABLE
SEAL,PLAIN ENCASED
102039
4730-00-335-3479INTERCHANGEABLE
CONNECTOR,MULTIPLE,FLUID PRESSUR
125-22
5305-00-514-7698INTERCHANGEABLE
SCREW,MACHINE
125122
5355-00-687-2917INTERCHANGEABLE
KNOB
MS91528-3D2B
5340-00-919-5661INTERCHANGEABLE
HANDLE,BOW
654018004

Frequently Asked Questions

What is NSN 5331-01-006-3933?

NSN 5331-01-006-3933 is a O-Ring, manufactured by Sundstrand Corp, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-006-3933?

NSN 5331-01-006-3933 has 3 cross-referenced part numbers: 123632 (Sundstrand Corp Sundstrand Hydraulics Div), 125122 (Sundstrand Corp Sundstrand Hydraulics Div), 12522 (Sundstrand Corp).

What NSN replaces 5331-01-006-3933?

There are 12 known substitutes for 5331-01-006-3933: 5950-00-019-5915, 5910-00-110-8712, 5331-00-218-0390 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12522?

Key specifications for 12522: Cross-Sectional Height: 0.109 INCHES NOMINAL IN; Material: RUBBER. 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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