PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4400171-0150O-Ring

Marotta Controls Inc · NSN 5331-00-526-5559 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-526-5559 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-526-5559. Primary manufacturer part number: 4400171-0150.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.546 INCHES MINIMUM AND 0.556 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • 5 verified cross-references
  • Primary manufacturer: Marotta Controls Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-526-5559, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Marotta Controls Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-526-5559
Primary Part Number4400171-0150
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerMarotta Controls Inc
StatusCANCELLED
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Center Hole Diameter0.546 INCHES MINIMUM AND 0.556 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4730-00-706-79271021550 INTERCHANGEABLE
Plug,drag Control
Hf Group Inc Dba Hf Group Inc
Cross-Reference Index
Part NumberManufacturer
4400171-0150 Marotta Controls Inc (USA)
55317 Mitsubishi Caterpillar Forklift America, Inc (USA)
16606A01-91 Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA)
PD5330-217-8 General Stores Supply Office (USA)
9090885-18 Us Army Aviation and Missile Command (USA)
Related Parts
4730-00-706-7927INTERCHANGEABLE
PLUG,DRAG CONTROL
1021550

Frequently Asked Questions

What is NSN 5331-00-526-5559?

NSN 5331-00-526-5559 is a O-Ring, manufactured by Marotta Controls Inc, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-526-5559?

NSN 5331-00-526-5559 has 5 cross-referenced part numbers: 4400171-0150 (Marotta Controls Inc), 55317 (Mitsubishi Caterpillar Forklift America, Inc), 16606A01-91 (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S), PD5330-217-8 (General Stores Supply Office), 9090885-18 (Us Army Aviation and Missile Command).

What NSN replaces 5331-00-526-5559?

There is 1 known substitute for 5331-00-526-5559: 4730-00-706-7927. Verify interchangeability with system specifications before substitution.

What are the specifications of 4400171-0150?

Key specifications for 4400171-0150: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 0.546 INCHES MINIMUM AND 0.556 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-526-5559 still in active supply?

NSN 5331-00-526-5559 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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