PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

030420Head,hydraulic Motor-Pump

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · NSN 4320-01-318-7944 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-318-7944 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-318-7944. Primary manufacturer part number: 030420.
Features
  • Head,hydraulic Motor-Pump — FSC 4320
  • Material: COPPER ALLOY
  • 1 verified cross-reference
  • Primary manufacturer: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Applications
  • Applications requiring Copper Alloy construction
General Description

The Head,hydraulic Motor-Pump, cataloged under National Stock Number 4320-01-318-7944, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-318-7944
Primary Part Number030420
Item NameHead,hydraulic Motor-Pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerDover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
StatusACTIVE
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-708-3876A9544 INTERCHANGEABLE
Bearing,governor
Chrysler Corp Amplex Div
6515-01-507-3202479.28S INTERCHANGEABLE
Nail,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
030420 PRIMARY Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
Related Parts
3110-00-708-3876INTERCHANGEABLE
BEARING,GOVERNOR
A9544
6515-01-507-3202INTERCHANGEABLE
NAIL,BONE
479.28S

Frequently Asked Questions

What is NSN 4320-01-318-7944?

NSN 4320-01-318-7944 is a Head,hydraulic Motor-Pump, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-318-7944?

NSN 4320-01-318-7944 has 1 cross-referenced part number: 030420 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What NSN replaces 4320-01-318-7944?

There are 2 known substitutes for 4320-01-318-7944: 3110-00-708-3876, 6515-01-507-3202. Verify interchangeability with system specifications before substitution.

What are the specifications of 030420?

Key specifications for 030420: Material: COPPER ALLOY; End Item Identification: PUMP,DOVER BLACKMER PUMP CO,MODEL SMB807. 2 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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