PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L552O-Ring

Bear Hydraulics Inc · NSN 5331-01-106-6461 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-106-6461 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-106-6461. Primary manufacturer part number: L552.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Bear Hydraulics Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-106-6461, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Bear Hydraulics Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersBear Hydraulics Inc (CAGE 0BTW7); Lee Engineering Co Inc (CAGE 81085)
Technical Specifications
ParameterValue
NSN5331-01-106-6461
Primary Part NumberL552
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerBear Hydraulics Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2040-00-385-8793 INTERCHANGEABLE
Box,stuffing
4730-01-092-8847 INTERCHANGEABLE
Elbow,pipe
Cross-Reference Index
Part NumberManufacturer
L552 PRIMARY Bear Hydraulics Inc (USA)
L552 Lee Engineering Co Inc (USA)
Related Parts
2040-00-385-8793INTERCHANGEABLE
BOX,STUFFING
4730-01-092-8847INTERCHANGEABLE
ELBOW,PIPE

Frequently Asked Questions

What is NSN 5331-01-106-6461?

NSN 5331-01-106-6461 is a O-Ring, manufactured by Bear Hydraulics Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-106-6461?

NSN 5331-01-106-6461 has 2 cross-referenced part numbers: L552 (Bear Hydraulics Inc), L552 (Lee Engineering Co Inc).

What NSN replaces 5331-01-106-6461?

There are 2 known substitutes for 5331-01-106-6461: 2040-00-385-8793, 4730-01-092-8847. Verify interchangeability with system specifications before substitution.

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