PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4122Ram,hydraulic

Bosch Automotive Service Solutions Inc. · NSN 4320-00-810-6776 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-810-6776 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-810-6776. Primary manufacturer part number: 4122.
Features
  • Ram,hydraulic — FSC 4320
  • Screw Thread Series Designator: IPS
  • Screw Thread Diameter: 0.375 INCHES NOMINAL IN
  • Extended Height: 13.500 INCHES NOMINAL IN
  • Plunger Diameter: 2.500 INCHES NOMINAL IN
  • Screw Thread Quantity Per Inch: 18.000
  • Capacity: 50.0 TONS
  • Carrying Handle: NOT INCLUDED
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Ram,hydraulic, cataloged under National Stock Number 4320-00-810-6776, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Bosch Automotive Service Solutions Inc.. Government technical data includes 9 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-810-6776
Primary Part Number4122
Item NameRam,hydraulic
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerBosch Automotive Service Solutions Inc.
StatusACTIVE
Screw Thread Series DesignatorIPS
Screw Thread Diameter0.375 INCHES NOMINAL IN
Extended Height13.500 INCHES NOMINAL IN
Plunger Diameter2.500 INCHES NOMINAL IN
Screw Thread Quantity Per Inch18.000
Capacity50.0 TONS
Carrying HandleNOT INCLUDED
Retracted Height10.500 INCHES NOMINAL IN
Overall Diameter9.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-124-489325954-1-10 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ward Leonard Ct Llc
5120-00-224-3160 INTERCHANGEABLE
Wrench,open End Box
3460-00-225-27394122 INTERCHANGEABLE
Arbor,barrel
Wakmann Watch Company Inc
6105-00-308-731957353 INTERCHANGEABLE
Winding,motor Gener
Enersys Inc. Div Hertner
6685-00-580-3508 INTERCHANGEABLE
Thermometer,self-Indicating,bime
6130-00-635-1681 INTERCHANGEABLE
Power Supply
5310-00-912-0465 INTERCHANGEABLE
Washer,lock
1630-00-943-7884412-2 INTERCHANGEABLE
Plate and Button Assembly
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
5950-01-175-80219140-0613 INTERCHANGEABLE
Reactor
Keysight Technologies Inc
3120-01-246-2647 INTERCHANGEABLE
Bushing,sleeve
Cross-Reference Index
Part NumberManufacturer
4122 Bosch Automotive Service Solutions Inc. (USA)
4122A Bosch Automotive Service Solutions Inc. (USA)
Y50-A Bosch Automotive Service Solutions Inc. (USA)
Related Parts
5905-00-124-4893INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
25954-1-10
5120-00-224-3160INTERCHANGEABLE
WRENCH,OPEN END BOX
3460-00-225-2739INTERCHANGEABLE
ARBOR,BARREL
4122
6105-00-308-7319INTERCHANGEABLE
WINDING,MOTOR GENER
57353
6685-00-580-3508INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
6130-00-635-1681INTERCHANGEABLE
POWER SUPPLY
5310-00-912-0465INTERCHANGEABLE
WASHER,LOCK
1630-00-943-7884INTERCHANGEABLE
PLATE AND BUTTON ASSEMBLY
412-2
5950-01-175-8021INTERCHANGEABLE
REACTOR
9140-0613
3120-01-246-2647INTERCHANGEABLE
BUSHING,SLEEVE
5340-01-306-5887INTERCHANGEABLE
BUTTON,PLUG
412-2
5120-01-335-9028INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 4320-00-810-6776?

NSN 4320-00-810-6776 is a Ram,hydraulic, manufactured by Bosch Automotive Service Solutions Inc., classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-810-6776?

NSN 4320-00-810-6776 has 3 cross-referenced part numbers: 4122 (Bosch Automotive Service Solutions Inc.), 4122A (Bosch Automotive Service Solutions Inc.), Y50-A (Bosch Automotive Service Solutions Inc.).

What NSN replaces 4320-00-810-6776?

There are 12 known substitutes for 4320-00-810-6776: 5905-00-124-4893, 5120-00-224-3160, 3460-00-225-2739 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4122?

Key specifications for 4122: Screw Thread Series Designator: IPS; Screw Thread Diameter: 0.375 INCHES NOMINAL IN; Special Features: WCOUPLER; Extended Height: 13.500 INCHES NOMINAL IN. 10 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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