PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

331415Seal Assembly,pump

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · NSN 4320-00-590-6547 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-590-6547 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-590-6547. Primary manufacturer part number: 331415.
Features
  • Seal Assembly,pump — FSC 4320
  • General Characteristics Item Description: CONSISTS OF 1 PLAIN ENCASED SEAL,2 RETAINERS,1 O-RING
  • 3 verified cross-references
  • Primary manufacturer: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
General Description

The Seal Assembly,pump, cataloged under National Stock Number 4320-00-590-6547, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-590-6547
Primary Part Number331415
Item NameSeal Assembly,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerDover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF 1 PLAIN ENCASED SEAL,2 RETAINERS,1 O-RING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5940-00-143-5284MS25036-115 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
BLK331415 Beta Fueling Systems, Llc (USA)
BLK331415 General Steel Tank Co (USA)
331415 PRIMARY Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
Related Parts
5940-00-143-5284INTERCHANGEABLE
TERMINAL,LUG
MS25036-115

Frequently Asked Questions

What is NSN 4320-00-590-6547?

NSN 4320-00-590-6547 is a Seal Assembly,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 4320-00-590-6547?

NSN 4320-00-590-6547 has 3 cross-referenced part numbers: BLK331415 (Beta Fueling Systems, Llc), BLK331415 (General Steel Tank Co), 331415 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What NSN replaces 4320-00-590-6547?

There is 1 known substitute for 4320-00-590-6547: 5940-00-143-5284. Verify interchangeability with system specifications before substitution.

What are the specifications of 331415?

Key specifications for 331415: General Characteristics Item Description: CONSISTS OF 1 PLAIN ENCASED SEAL,2 RETAINERS,1 O-RING. 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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