PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8266O-Ring

Hawker Pacific Aerospace · NSN 5331-01-040-0984 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-040-0984 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-040-0984. Primary manufacturer part number: 8266.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Hawker Pacific Aerospace
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-040-0984, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Hawker Pacific Aerospace. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersHawker Pacific Aerospace (CAGE 53583)
Technical Specifications
ParameterValue
NSN5331-01-040-0984
Primary Part Number8266
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerHawker Pacific Aerospace
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-177-71638266 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Sensor Systems, L.l.c. Dba Sensor Systems Llc
5330-00-309-00058266 INTERCHANGEABLE
Seal
Solar Turbines Incorporated Dba Solar Turbines Incorporated
5330-00-580-127101339 INTERCHANGEABLE
Retainer,packing
Defense Logistics Agency Dba Defense Supply Center Philadelphia
5985-00-829-5572 INTERCHANGEABLE
Parts Kit,switch
5330-00-845-41488266 INTERCHANGEABLE
Packing,preformed
Minnesota Rubber Co
3030-00-878-6157080-90013-110 INTERCHANGEABLE
Belt,v
Kovatch Corp.
5340-01-030-31659739-B-0832-3A INTERCHANGEABLE
Standoff,threaded,spacing
Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware
6625-01-200-0643 INTERCHANGEABLE
Test Set Subassembly,electrical
5935-01-554-871182-66 INTERCHANGEABLE
Adapter,connector
L3harris Technologies, Inc. Div Pspc
8120-01-561-50728266 INTERCHANGEABLE
Valve,cylinder,gas
Parasense, Inc
Cross-Reference Index
Part NumberManufacturer
8266 PRIMARY Hawker Pacific Aerospace (USA)
Related Parts
5905-00-177-7163INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
8266
5330-00-309-0005INTERCHANGEABLE
SEAL
8266
5330-00-580-1271INTERCHANGEABLE
RETAINER,PACKING
01339
5985-00-829-5572INTERCHANGEABLE
PARTS KIT,SWITCH
5330-00-845-4148INTERCHANGEABLE
PACKING,PREFORMED
8266
3030-00-878-6157INTERCHANGEABLE
BELT,V
080-90013-110
5340-01-030-3165INTERCHANGEABLE
STANDOFF,THREADED,SPACING
9739-B-0832-3A
6625-01-200-0643INTERCHANGEABLE
TEST SET SUBASSEMBLY,ELECTRICAL
5935-01-554-8711INTERCHANGEABLE
ADAPTER,CONNECTOR
82-66
8120-01-561-5072INTERCHANGEABLE
VALVE,CYLINDER,GAS
8266
6680-01-561-5762INTERCHANGEABLE
METER,FLOW RATE INDICATING
8266C-01
5935-01-617-6005INTERCHANGEABLE
ADAPTER,CONNECTOR
82-66

Frequently Asked Questions

What is NSN 5331-01-040-0984?

NSN 5331-01-040-0984 is a O-Ring, manufactured by Hawker Pacific Aerospace, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-040-0984?

NSN 5331-01-040-0984 has 1 cross-referenced part number: 8266 (Hawker Pacific Aerospace).

What NSN replaces 5331-01-040-0984?

There are 12 known substitutes for 5331-01-040-0984: 5905-00-177-7163, 5330-00-309-0005, 5330-00-580-1271 and 9 more. Verify interchangeability with system specifications before substitution.

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