PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L-306Air Chamber Head

Bear Hydraulics Inc · NSN 4910-01-149-6387 · FSC 4910 · No Item Name Available
Verified by PartsTable
NSN 4910-01-149-6387 — this item is cataloged by the U.S. Government under National Stock Number 4910-01-149-6387. Primary manufacturer part number: L-306.
Features
  • Air Chamber Head — FSC 4910
  • 2 verified cross-references
  • Primary manufacturer: Bear Hydraulics Inc
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Air Chamber Head, cataloged under National Stock Number 4910-01-149-6387, is classified within Federal Supply Class 4910 (No Item Name Available) of the Maintenance and Repair Shop Equipment 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4910-01-149-6387
Primary Part NumberL-306
Item NameAir Chamber Head
FSC / FSG4910 / 49 — No Item Name Available
ManufacturerBear Hydraulics Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5935-00-518-9772032-0014-0001 INTERCHANGEABLE
Connector,plug,electrical
Te Connectivity Corporation Dba Microdot Products
3110-00-554-32221306ETN9 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
7720-01-582-7786L306 INTERCHANGEABLE
Beaters,tympani
Conn-Selmer, Inc.
Cross-Reference Index
Part NumberManufacturer
L-306 Lee Engineering Co Inc (USA)
L-306 PRIMARY Bear Hydraulics Inc (USA)
Related Parts
5935-00-518-9772INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
032-0014-0001
3110-00-554-3222INTERCHANGEABLE
BEARING,BALL,ANNULAR
1306ETN9
7720-01-582-7786INTERCHANGEABLE
BEATERS,TYMPANI
L306

Frequently Asked Questions

What is NSN 4910-01-149-6387?

NSN 4910-01-149-6387 is a Air Chamber Head, manufactured by Bear Hydraulics Inc, classified under FSC 4910 (No Item Name Available). Status: active.

What are the part numbers for NSN 4910-01-149-6387?

NSN 4910-01-149-6387 has 2 cross-referenced part numbers: L-306 (Lee Engineering Co Inc), L-306 (Bear Hydraulics Inc).

What NSN replaces 4910-01-149-6387?

There are 3 known substitutes for 4910-01-149-6387: 5935-00-518-9772, 3110-00-554-3222, 7720-01-582-7786. Verify interchangeability with system specifications before substitution.

What are the specifications of L-306?

Key specifications for L-306: End Item Identification: 4910-00-992-7878. 1 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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