PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

332063Seal Assembly,shaft,spring Loade

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · NSN 4320-01-020-6744 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-020-6744 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-020-6744. Primary manufacturer part number: 332063.
Features
  • Seal Assembly,shaft,spring Loade — FSC 4320
  • General Characteristics Item Description: CONSIST OF STEEL SPRING 1,STEEL RETAINER 1,PLASTIC RETAINER 1,SYN RUBBER O-RING 1; O/A 2-11/16 IN. OD,1-9/16 IN. ID,1-1/8 IN. W IN
  • 3 verified cross-references
  • Primary manufacturer: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Mechanical energy storage
  • Vibration dampening
General Description

The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-020-6744, 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 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-020-6744
Primary Part Number332063
Item NameSeal Assembly,shaft,spring Loade
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerDover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
StatusACTIVE
General Characteristics Item DescriptionCONSIST OF STEEL SPRING 1,STEEL RETAINER 1,PLASTIC RETAINER 1,SYN RUBBER O-RING 1; O/A 2-11/16 IN. OD,1-9/16 IN. ID,1-1/8 IN. W IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5330-00-136-878932060 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation
5815-00-409-2612332063 INTERCHANGEABLE
Lever,stop
Telemechanics Inc
5940-00-552-20191570 INTERCHANGEABLE
Terminal,lug
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5306-00-579-1944332060 INTERCHANGEABLE
Bolt,machine
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
4720-01-050-91584470 INTERCHANGEABLE
Hose Assembly,nonmetallic
Alter Harry Co the Div of T E C
2920-01-195-7041 INTERCHANGEABLE
Support,armature
4820-01-247-261032060G INTERCHANGEABLE
Seat,valve
Griswold Industries Dba Cla-Val Co
5330-01-291-5088 INTERCHANGEABLE
Gasket
5305-01-328-693732060 INTERCHANGEABLE
Setscrew
H-K Connecticut Holding Company
4010-01-563-198616374 INTERCHANGEABLE
Rope,wire
Wellington Home Products Inc. Div Wellington Home Products, Inc.
Cross-Reference Index
Part NumberManufacturer
332063 PRIMARY Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
32060 Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
332060 Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
Related Parts
5330-00-136-8789INTERCHANGEABLE
GASKET
32060
5815-00-409-2612INTERCHANGEABLE
LEVER,STOP
332063
5940-00-552-2019INTERCHANGEABLE
TERMINAL,LUG
1570
5306-00-579-1944INTERCHANGEABLE
BOLT,MACHINE
332060
4720-01-050-9158INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4470
2920-01-195-7041INTERCHANGEABLE
SUPPORT,ARMATURE
4820-01-247-2610INTERCHANGEABLE
SEAT,VALVE
32060G
5330-01-291-5088INTERCHANGEABLE
GASKET
5305-01-328-6937INTERCHANGEABLE
SETSCREW
32060
4010-01-563-1986INTERCHANGEABLE
ROPE,WIRE
16374

Frequently Asked Questions

What is NSN 4320-01-020-6744?

NSN 4320-01-020-6744 is a Seal Assembly,shaft,spring Loade, 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 4320-01-020-6744?

NSN 4320-01-020-6744 has 3 cross-referenced part numbers: 332063 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), 32060 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), 332060 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What NSN replaces 4320-01-020-6744?

There are 10 known substitutes for 4320-01-020-6744: 5330-00-136-8789, 5815-00-409-2612, 5940-00-552-2019 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 332063?

Key specifications for 332063: General Characteristics Item Description: CONSIST OF STEEL SPRING 1,STEEL RETAINER 1,PLASTIC RETAINER 1,SYN RUBBER O-RING 1; O/A 2-11/16 IN. OD,1-9/16 IN. ID,1-1/8 IN. W IN. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com