PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

433857Coupling,drainage Pipe

Avtron Aerospace Inc · NSN 4730-00-757-4492 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-757-4492 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-757-4492. Primary manufacturer part number: 433857.
Features
  • Coupling,drainage Pipe — FSC 4730
  • Connection Type: THREADED INTERNAL PIPE FIRST END
  • Material: PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
  • Nominal Overall Length: 2.595 INCHES IN
  • Nominal Pipe Size Accommodated: 3.000 INCHES SECOND END IN
  • Thread Series Designator: NPT FIRST END
  • Pipe Wall Thickness Designation for Which Designed: SCHEDULE STD SECOND END
  • Connection Type: UNTHREADED INTERNAL PIPE SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Plastic Polyvinyl Chloride (pvc) Overall construction
General Description

The Coupling,drainage Pipe, cataloged under National Stock Number 4730-00-757-4492, 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 Avtron Aerospace Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 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
NSN4730-00-757-4492
Primary Part Number433857
Item NameCoupling,drainage Pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAvtron Aerospace Inc
StatusACTIVE
Connection TypeTHREADED INTERNAL PIPE FIRST END
MaterialPLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
Nominal Overall Length2.595 INCHES IN
Nominal Pipe Size Accommodated3.000 INCHES SECOND END IN
Thread Series DesignatorNPT FIRST END
Pipe Wall Thickness Designation for Which DesignedSCHEDULE STD SECOND END
Connection TypeUNTHREADED INTERNAL PIPE SECOND END
Connection StyleSOCKET (PIPE) SECOND END
Nominal Thread Size3.000 INCHES FIRST END IN
Connection StylePLAIN (PIPE) FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-055-23111003704-13 INTERCHANGEABLE
Standoff,threaded,spacing
Armel De Llc Dba Armel Electronics
3895-00-126-0636 INTERCHANGEABLE
Arm
2530-00-155-7226387993C91 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
5975-00-265-7775RW100-50 INTERCHANGEABLE
Reducing Washer,knockout
Egs Electrical Group Appleton Div
4730-00-277-544152454 INTERCHANGEABLE
Trap,steam
Spirax Sarco Inc Dba Spirax Sarco
6145-00-284-0067 INTERCHANGEABLE
Cable,power,electrical
5940-00-617-7557C678137-1 INTERCHANGEABLE
Terminal,lug
Honeywell International Inc Dba Honeywell
3120-00-662-89504500166-6 INTERCHANGEABLE
Bearing,sleeve
Agco Corp Parts Opn
5995-00-707-14193169 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Abm Equipment, Llc
5998-01-043-10023703 INTERCHANGEABLE
Circuit Card Assembly
Data Device Corp Dba Beta Transformer Technology
Cross-Reference Index
Part NumberManufacturer
433857 PRIMARY Avtron Aerospace Inc (USA)
3263(PVC) Plastiline Inc (USA)
3703 George Fischer Sloane, Inc. (USA)
ASTM D2665-78 American Society for Testing and Materials Dba Astm International (USA)
P35252 PRIMARY Mid-State Sales, Inc. Div Defense Products Group (USA)
4803-2(3INCH) Nibco Inc (USA)
Related Parts
5340-00-055-2311INTERCHANGEABLE
STANDOFF,THREADED,SPACING
1003704-13
3895-00-126-0636INTERCHANGEABLE
ARM
2530-00-155-7226INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
387993C91
5975-00-265-7775INTERCHANGEABLE
REDUCING WASHER,KNOCKOUT
RW100-50
4730-00-277-5441INTERCHANGEABLE
TRAP,STEAM
52454
6145-00-284-0067INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
5940-00-617-7557INTERCHANGEABLE
TERMINAL,LUG
C678137-1
3120-00-662-8950INTERCHANGEABLE
BEARING,SLEEVE
4500166-6
5995-00-707-1419INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
3169
5998-01-043-1002INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3703
5310-01-099-6539INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
37-03
6140-01-143-0738INTERCHANGEABLE
BATTERY,STORAGE

Frequently Asked Questions

What is NSN 4730-00-757-4492?

NSN 4730-00-757-4492 is a Coupling,drainage Pipe, manufactured by Avtron Aerospace Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-757-4492?

NSN 4730-00-757-4492 has 6 cross-referenced part numbers: 433857 (Avtron Aerospace Inc), 3263(PVC) (Plastiline Inc), 3703 (George Fischer Sloane, Inc.), ASTM D2665-78 (American Society for Testing and Materials Dba Astm International), P35252 (Mid-State Sales, Inc. Div Defense Products Group) and 1 more.

What NSN replaces 4730-00-757-4492?

There are 12 known substitutes for 4730-00-757-4492: 5340-00-055-2311, 3895-00-126-0636, 2530-00-155-7226 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 433857?

Key specifications for 433857: Connection Type: THREADED INTERNAL PIPE FIRST END; Material: PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL; Nominal Overall Length: 2.595 INCHES IN; Nominal Pipe Size Accommodated: 3.000 INCHES SECOND END IN. 10 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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