PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L223Poppet,pressure

Bear Hydraulics Inc · NSN 4820-01-106-5669 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-106-5669 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-106-5669. Primary manufacturer part number: L223.
Features
  • Poppet,pressure — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Bear Hydraulics Inc
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Poppet,pressure, cataloged under National Stock Number 4820-01-106-5669, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePoppet,pressure
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersLee Engineering Co Inc (CAGE 81085); Bear Hydraulics Inc (CAGE 0BTW7)
Technical Specifications
ParameterValue
NSN4820-01-106-5669
Primary Part NumberL223
Item NamePoppet,pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBear Hydraulics Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2940-00-470-123851269 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
2520-00-499-8837 INTERCHANGEABLE
Shifter Fork,vehicular
2990-01-167-074942991 INTERCHANGEABLE
Breather Filter,emission Control
Wix Corp
8465-01-412-070631-80121 INTERCHANGEABLE
Spectacles,laser Protective
Honeywell Safety Products Usa, Inc.
Cross-Reference Index
Part NumberManufacturer
L223 Lee Engineering Co Inc (USA)
L223 PRIMARY Bear Hydraulics Inc (USA)
Related Parts
2940-00-470-1238INTERCHANGEABLE
FILTER ELEMENT,FLUID
51269
2520-00-499-8837INTERCHANGEABLE
SHIFTER FORK,VEHICULAR
2990-01-167-0749INTERCHANGEABLE
BREATHER FILTER,EMISSION CONTROL
42991
8465-01-412-0706INTERCHANGEABLE
SPECTACLES,LASER PROTECTIVE
31-80121

Frequently Asked Questions

What is NSN 4820-01-106-5669?

NSN 4820-01-106-5669 is a Poppet,pressure, manufactured by Bear Hydraulics Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-106-5669?

NSN 4820-01-106-5669 has 2 cross-referenced part numbers: L223 (Lee Engineering Co Inc), L223 (Bear Hydraulics Inc).

What NSN replaces 4820-01-106-5669?

There are 4 known substitutes for 4820-01-106-5669: 2940-00-470-1238, 2520-00-499-8837, 2990-01-167-0749 and 1 more. Verify interchangeability with system specifications before substitution.

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