PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E-3373Flange,pipe

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · NSN 4730-00-235-4077 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-235-4077 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-235-4077. Primary manufacturer part number: E-3373.
Features
  • Flange,pipe — FSC 4730
  • 6 verified cross-references
  • Primary manufacturer: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Flange,pipe, cataloged under National Stock Number 4730-00-235-4077, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameFlange,pipe
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersDover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (CAGE 07524); Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M (CAGE 81349); The American Society of Mechanical Engineers (CAGE 05047); American National Standards Institute Incorporated Dba American National Standards Institute (CAGE 80204)
Technical Specifications
ParameterValue
NSN4730-00-235-4077
Primary Part NumberE-3373
Item NameFlange,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-235-4075 INTERCHANGEABLE
Flange,pipe
4730-00-235-4078 INTERCHANGEABLE
Flange,pipe
4730-00-235-4081 INTERCHANGEABLE
Flange,pipe
4730-00-235-4082 INTERCHANGEABLE
Flange,pipe
4730-00-257-0124 INTERCHANGEABLE
Flange,pipe
6515-00-342-330065-3206 INTERCHANGEABLE
Hook,iris
Sklar Corporation Dba Sklar Instruments
4320-01-067-2766453201 INTERCHANGEABLE
Valve,pump
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
4320-01-130-2332023205 INTERCHANGEABLE
Housing,liquid Pump
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
4710-01-184-5527908422 INTERCHANGEABLE
Pipe Metallic,precut
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
4730-01-184-5528908420 INTERCHANGEABLE
Nipple,pipe
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Cross-Reference Index
Part NumberManufacturer
E-3373 Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
M18180/3-03A01 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
653206 Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
ASME B16.5 The American Society of Mechanical Engineers (USA)
B16-5-1953TABLE21 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
E3373 PIECE 71A Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
Related Parts
4730-00-235-4075INTERCHANGEABLE
FLANGE,PIPE
4730-00-235-4078INTERCHANGEABLE
FLANGE,PIPE
4730-00-235-4081INTERCHANGEABLE
FLANGE,PIPE
4730-00-235-4082INTERCHANGEABLE
FLANGE,PIPE
4730-00-257-0124INTERCHANGEABLE
FLANGE,PIPE
6515-00-342-3300INTERCHANGEABLE
HOOK,IRIS
65-3206
4320-01-067-2766INTERCHANGEABLE
VALVE,PUMP
453201
4320-01-130-2332INTERCHANGEABLE
HOUSING,LIQUID PUMP
023205
4710-01-184-5527INTERCHANGEABLE
PIPE METALLIC,PRECUT
908422
4730-01-184-5528INTERCHANGEABLE
NIPPLE,PIPE
908420
5340-01-185-6773INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
423201
4730-01-185-8136INTERCHANGEABLE
FLANGE,PIPE

Frequently Asked Questions

What is NSN 4730-00-235-4077?

NSN 4730-00-235-4077 is a Flange,pipe, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-235-4077?

NSN 4730-00-235-4077 has 6 cross-referenced part numbers: E-3373 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), M18180/3-03A01 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 653206 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), ASME B16.5 (The American Society of Mechanical Engineers), B16-5-1953TABLE21 (American National Standards Institute Incorporated Dba American National Standards Institute) and 1 more.

What NSN replaces 4730-00-235-4077?

There are 12 known substitutes for 4730-00-235-4077: 4730-00-235-4075, 4730-00-235-4078, 4730-00-235-4081 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 4730-00-235-4077 still in active supply?

NSN 4730-00-235-4077 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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