PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

521-7Seal,plain

Aar Corp Aeronetics Div · NSN 5330-01-362-2533 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-362-2533 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-362-2533. Primary manufacturer part number: 521-7.
Features
  • Seal,plain — FSC 5330
  • 1 verified cross-reference
  • Primary manufacturer: Aar Corp Aeronetics Div
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,plain, cataloged under National Stock Number 5330-01-362-2533, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aar Corp Aeronetics Div. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeal,plain
FSC / FSG5330 — No Item Name Available (FSG 53)
ManufacturersAar Corp Aeronetics Div (CAGE 0EEE6)
Technical Specifications
ParameterValue
NSN5330-01-362-2533
Primary Part Number521-7
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerAar Corp Aeronetics Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3110-00-156-5370177009-14 INTERCHANGEABLE
Bearing,ball,annular
Naval Sea Systems Command
5977-00-182-7707061797 INTERCHANGEABLE
Brush,electrical Contact
Stackpole Corp the
2805-00-350-06825217 INTERCHANGEABLE
Screen
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
2805-00-405-9166SCC33509 INTERCHANGEABLE
Cam
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6685-00-438-9376 INTERCHANGEABLE
Thermometer
4730-01-242-9242 INTERCHANGEABLE
Coupling,pipe
4310-01-248-66655217 INTERCHANGEABLE
Piston,compressor
Buell Mfg Co
4810-01-312-9644 INTERCHANGEABLE
Parts Kit,solenoid Valve
5305-01-569-44955217 INTERCHANGEABLE
Screw,cap,socket Head
Teledyne Flir Unmanned Ground Systems, Inc
5935-01-601-93825217 INTERCHANGEABLE
Adapter,connector
Spectrum Control, Inc.
Cross-Reference Index
Part NumberManufacturer
521-7 Aar Corp Aeronetics Div (USA)
Related Parts
3110-00-156-5370INTERCHANGEABLE
BEARING,BALL,ANNULAR
177009-14
5977-00-182-7707INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
061797
2805-00-350-0682INTERCHANGEABLE
SCREEN
5217
2805-00-405-9166INTERCHANGEABLE
CAM
SCC33509
6685-00-438-9376INTERCHANGEABLE
THERMOMETER
4730-01-242-9242INTERCHANGEABLE
COUPLING,PIPE
4310-01-248-6665INTERCHANGEABLE
PISTON,COMPRESSOR
5217
4810-01-312-9644INTERCHANGEABLE
PARTS KIT,SOLENOID VALVE
5305-01-569-4495INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5217
5935-01-601-9382INTERCHANGEABLE
ADAPTER,CONNECTOR
5217
5920-01-719-4438INTERCHANGEABLE
FUSE,CARTRIDGE
5217

Frequently Asked Questions

What is NSN 5330-01-362-2533?

NSN 5330-01-362-2533 is a Seal,plain, manufactured by Aar Corp Aeronetics Div, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-362-2533?

NSN 5330-01-362-2533 has 1 cross-referenced part number: 521-7 (Aar Corp Aeronetics Div).

What NSN replaces 5330-01-362-2533?

There are 11 known substitutes for 5330-01-362-2533: 3110-00-156-5370, 5977-00-182-7707, 2805-00-350-0682 and 8 more. Verify interchangeability with system specifications before substitution.

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