PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASTMD2665Reducer,pipe

American Society for Testing and Materials Dba Astm International · NSN 4730-01-172-7555 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-172-7555 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-172-7555. Primary manufacturer part number: ASTMD2665.
Features
  • Reducer,pipe — FSC 4730
  • Nominal Overall Length: 3.500 INCHES IN
  • Reducer Type: CONCENTRIC
  • Connection Type: UNTHREADED INTERNAL PIPE FIRST END
  • Specification/standard Data: 81346-ASTMD2665 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Connection Type: UNTHREADED EXTERNAL PIPE SECOND END
  • Nondefinitive Spec/std Data: 6X4 SIZE
  • Connection Style: SOCKET (PIPE) FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Plastic Polyvinyl Chloride (pvc) Overall construction
General Description

The Reducer,pipe, cataloged under National Stock Number 4730-01-172-7555, 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 American Society for Testing and Materials Dba Astm International. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN4730-01-172-7555
Primary Part NumberASTMD2665
Item NameReducer,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAmerican Society for Testing and Materials Dba Astm International
StatusACTIVE
Nominal Overall Length3.500 INCHES IN
Reducer TypeCONCENTRIC
Connection TypeUNTHREADED INTERNAL PIPE FIRST END
Specification/standard Data81346-ASTMD2665 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Connection TypeUNTHREADED EXTERNAL PIPE SECOND END
Nondefinitive Spec/std Data6X4 SIZE
Connection StyleSOCKET (PIPE) FIRST END
Connection StylePLAIN (PIPE) SECOND END
Nominal Pipe Size Accommodated4.000 INCHES SECOND END IN
Material Document and ClassificationD1784,CL 12454-B ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialPLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
Nominal Pipe Size Accommodated6.000 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-269-351334165 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
4940-00-391-4541 INTERCHANGEABLE
Blade,rotor
5330-00-571-9699276-7 INTERCHANGEABLE
Gasket
W.w. Grainger, Inc. Div Government Sales Division
5950-00-647-5064TR1285 INTERCHANGEABLE
Transformer,power
Bae Systems Information and Electronic Systems Integration Inc.
5325-00-723-95192767 INTERCHANGEABLE
Grommet,nonmetallic
Atlantic India Rubber Co Inc
5340-00-948-09612767 INTERCHANGEABLE
Clamp,loop
Cummins Filtration Inc.
5910-00-950-17782767 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Ballantine Laboratories Inc
6150-01-187-49842767 INTERCHANGEABLE
Lead,electrical
Avo Multi-Amp Corp
3950-01-320-385927617 INTERCHANGEABLE
Wheel and Shaft Ass
Allied Marine Services Llc
4110-01-344-72952767 INTERCHANGEABLE
Refrigeration Unit,mechanical
Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc
Cross-Reference Index
Part NumberManufacturer
ASTMD2665 American Society for Testing and Materials Dba Astm International (USA)
2767 George Fischer Sloane, Inc. (USA)
Related Parts
5940-00-269-3513INTERCHANGEABLE
TERMINAL,LUG
34165
4940-00-391-4541INTERCHANGEABLE
BLADE,ROTOR
5330-00-571-9699INTERCHANGEABLE
GASKET
276-7
5950-00-647-5064INTERCHANGEABLE
TRANSFORMER,POWER
TR1285
5325-00-723-9519INTERCHANGEABLE
GROMMET,NONMETALLIC
2767
5340-00-948-0961INTERCHANGEABLE
CLAMP,LOOP
2767
5910-00-950-1778INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
2767
6150-01-187-4984INTERCHANGEABLE
LEAD,ELECTRICAL
2767
3950-01-320-3859INTERCHANGEABLE
WHEEL AND SHAFT ASS
27617
4110-01-344-7295INTERCHANGEABLE
REFRIGERATION UNIT,MECHANICAL
2767
5930-01-360-8156INTERCHANGEABLE
SWITCH,PUSH
LRLS01
6140-01-558-3779INTERCHANGEABLE
BATTERY,STORAGE
2767

Frequently Asked Questions

What is NSN 4730-01-172-7555?

NSN 4730-01-172-7555 is a Reducer,pipe, manufactured by American Society for Testing and Materials Dba Astm International, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-172-7555?

NSN 4730-01-172-7555 has 2 cross-referenced part numbers: ASTMD2665 (American Society for Testing and Materials Dba Astm International), 2767 (George Fischer Sloane, Inc.).

What NSN replaces 4730-01-172-7555?

There are 12 known substitutes for 4730-01-172-7555: 5940-00-269-3513, 4940-00-391-4541, 5330-00-571-9699 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ASTMD2665?

Key specifications for ASTMD2665: Nominal Overall Length: 3.500 INCHES IN; Reducer Type: CONCENTRIC; Connection Type: UNTHREADED INTERNAL PIPE FIRST END; Specification/standard Data: 81346-ASTMD2665 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 12 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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