PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

00050-447O-Ring

Zf Industrieantriebe Witten Gmbh · NSN 5331-01-005-8366 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-005-8366 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-005-8366. Primary manufacturer part number: 00050-447.
Features
  • O-Ring — FSC 5331
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Outside Diameter: 3.693 INCHES NOMINAL IN
  • Center Hole Diameter: 3.472 INCHES MINIMUM AND 3.502 INCHES MAXIMUM IN
  • Material Document and Classification: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Plastic Polytetrafluoroethylene construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-005-8366, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Zf Industrieantriebe Witten Gmbh. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-01-005-8366
Primary Part Number00050-447
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerZf Industrieantriebe Witten Gmbh
StatusCANCELLED
MaterialPLASTIC POLYTETRAFLUOROETHYLENE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Outside Diameter3.693 INCHES NOMINAL IN
Center Hole Diameter3.472 INCHES MINIMUM AND 3.502 INCHES MAXIMUM IN
Material Document and ClassificationAMS 3651 ASSN STD SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5331-00-167-51392-153V0747-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
4820-00-288-72394371 1-2 INTERCHANGEABLE
Valve,gate
Crane Co Div Valve Div
5330-00-290-1459S10-15 INTERCHANGEABLE
Gasket
Schulze Mfg., Inc.
5325-00-290-1957 INTERCHANGEABLE
Grommet,nonmetallic
5360-00-291-1245 INTERCHANGEABLE
Spring,helical,compression
5310-00-345-09902153 INTERCHANGEABLE
Washer,shouldered
Dialight Corporation
5305-00-362-68302153 INTERCHANGEABLE
Screw,adjusting
Scripps Marine Engine Co
4730-00-475-8621 INTERCHANGEABLE
Tee-Y,drainage Pipe
5325-00-497-3187 INTERCHANGEABLE
Grommet,nonmetallic
1377-00-789-62342153 INTERCHANGEABLE
End Cap,cross Tube
Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc
Cross-Reference Index
Part NumberManufacturer
00050-447 Zf Industrieantriebe Witten Gmbh (DEU)
ARP568-153AMS3651 Sae International Dba Sae International (USA)
ARP568-153T Sae International Dba Sae International (USA)
ARP568-153T Society of Automotive Engineers Inc (USA)
412-1830-0000 Brevini Usa Inc (USA)
2-153CP Naval Inventory Control Point Mechanicsburg (USA)
ARP568-153AMS3651CP Naval Inventory Control Point Mechanicsburg (USA)
ARP568-153AMS3651 Society of Automotive Engineers Inc (USA)
2601425-153CP Naval Inventory Control Point Mechanicsburg (USA)
441.0160.0015 Zf Industrieantriebe Witten Gmbh (DEU)
2-153 Parker-Hannifin Corp Div O-Ring Division (USA)
Related Parts
5331-00-167-5139INTERCHANGEABLE
O-RING
2-153V0747-75
4820-00-288-7239INTERCHANGEABLE
VALVE,GATE
4371 1-2
5330-00-290-1459INTERCHANGEABLE
GASKET
S10-15
5325-00-290-1957INTERCHANGEABLE
GROMMET,NONMETALLIC
5360-00-291-1245INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5310-00-345-0990INTERCHANGEABLE
WASHER,SHOULDERED
2153
5305-00-362-6830INTERCHANGEABLE
SCREW,ADJUSTING
2153
4730-00-475-8621INTERCHANGEABLE
TEE-Y,DRAINAGE PIPE
5325-00-497-3187INTERCHANGEABLE
GROMMET,NONMETALLIC
1377-00-789-6234INTERCHANGEABLE
END CAP,CROSS TUBE
2153
5330-00-807-7708INTERCHANGEABLE
RETAINER,PACKING
2153
6515-01-031-7250INTERCHANGEABLE
SYRINGE,HYPODERMIC
2133

Frequently Asked Questions

What is NSN 5331-01-005-8366?

NSN 5331-01-005-8366 is a O-Ring, manufactured by Zf Industrieantriebe Witten Gmbh, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-01-005-8366?

NSN 5331-01-005-8366 has 11 cross-referenced part numbers: 00050-447 (Zf Industrieantriebe Witten Gmbh), ARP568-153AMS3651 (Sae International Dba Sae International), ARP568-153T (Sae International Dba Sae International), ARP568-153T (Society of Automotive Engineers Inc), 412-1830-0000 (Brevini Usa Inc) and 6 more.

What NSN replaces 5331-01-005-8366?

There are 12 known substitutes for 5331-01-005-8366: 5331-00-167-5139, 4820-00-288-7239, 5330-00-290-1459 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 00050-447?

Key specifications for 00050-447: Material: PLASTIC POLYTETRAFLUOROETHYLENE; Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-01-005-8366 still in active supply?

NSN 5331-01-005-8366 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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