PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4-ORO-Ring

Gates Corporation · NSN 5331-01-361-0355 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-361-0355 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-361-0355. Primary manufacturer part number: 4-OR.
Features
  • O-Ring — FSC 5331
  • Outside Diameter: 0.50 INCHES NOMINAL IN
  • Cross-Sectional Height: 0.078 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Gates Corporation
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-361-0355, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Gates Corporation. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-361-0355
Primary Part Number4-OR
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerGates Corporation
StatusACTIVE
Outside Diameter0.50 INCHES NOMINAL IN
Cross-Sectional Height0.078 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
8415-00-490-1201 INTERCHANGEABLE
Screw Assembly
5935-00-938-1028 INTERCHANGEABLE
Connector,receptacle,electrical
4730-01-121-89488250-1 INTERCHANGEABLE
Restrictor Unit,fluid Flow
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5330-01-308-738682501 INTERCHANGEABLE
Gasket
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
7010-01-340-43858250-1 INTERCHANGEABLE
Restrictor Asse
Gould Instrument Systems Inc
6130-01-443-0768SPL250-1024 INTERCHANGEABLE
Power Supply
Power-One DC Power Supplies
Cross-Reference Index
Part NumberManufacturer
82501 Gates Corporation (USA)
4-OR PRIMARY Gates Corporation (USA)
7254-0004 Gates Corporation (USA)
Related Parts
8415-00-490-1201INTERCHANGEABLE
SCREW ASSEMBLY
5935-00-938-1028INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
4730-01-121-8948INTERCHANGEABLE
RESTRICTOR UNIT,FLUID FLOW
8250-1
5330-01-308-7386INTERCHANGEABLE
GASKET
82501
7010-01-340-4385INTERCHANGEABLE
RESTRICTOR ASSE
8250-1
6130-01-443-0768INTERCHANGEABLE
POWER SUPPLY
SPL250-1024

Frequently Asked Questions

What is NSN 5331-01-361-0355?

NSN 5331-01-361-0355 is a O-Ring, manufactured by Gates Corporation, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-361-0355?

NSN 5331-01-361-0355 has 3 cross-referenced part numbers: 82501 (Gates Corporation), 4-OR (Gates Corporation), 7254-0004 (Gates Corporation).

What NSN replaces 5331-01-361-0355?

There are 6 known substitutes for 5331-01-361-0355: 8415-00-490-1201, 5935-00-938-1028, 4730-01-121-8948 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4-OR?

Key specifications for 4-OR: Outside Diameter: 0.50 INCHES NOMINAL IN; Cross-Sectional Height: 0.078 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: O-RING; Special Features: INSIDE DIAMETER: 0.343". 4 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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