PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20343Reducer,pipe

Allegheny Valve Co · NSN 4730-01-511-7300 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-511-7300 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-511-7300. Primary manufacturer part number: 20343.
Features
  • Reducer,pipe — FSC 4730
  • Reducer Type: CONCENTRIC
  • Nominal Overall Length: 5.000 INCHES IN
  • 1 verified cross-reference
  • Primary manufacturer: Allegheny Valve Co
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Reducer,pipe, cataloged under National Stock Number 4730-01-511-7300, 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 Allegheny Valve Co. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-511-7300
Primary Part Number20343
Item NameReducer,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAllegheny Valve Co
StatusACTIVE
Reducer TypeCONCENTRIC
Nominal Overall Length5.000 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5310-00-052-6900 INTERCHANGEABLE
Washer,flat
5940-00-269-7983162A375-2 INTERCHANGEABLE
Terminal,stud
New London Instrument Co
4730-00-469-04411181-201PCG3 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Portsmouth Naval Shipyard
5950-00-695-205920343 INTERCHANGEABLE
Transformer
Freed Transformer Co
4720-00-770-210620343 INTERCHANGEABLE
Hose,preformed
Gates Corporation
1650-01-219-570120343 INTERCHANGEABLE
Piston,hydraulic Motor-Pump
Parker Hannifin Corporation Div Hydraulic Systems Division
5670-01-225-2703 INTERCHANGEABLE
Molding,metal
5930-01-329-7818740559-103 INTERCHANGEABLE
Switch Assembly
Lockheed Martin Corp
Cross-Reference Index
Part NumberManufacturer
20343 Allegheny Valve Co (USA)
Related Parts
5310-00-052-6900INTERCHANGEABLE
WASHER,FLAT
5940-00-269-7983INTERCHANGEABLE
TERMINAL,STUD
162A375-2
4730-00-469-0441INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
1181-201PCG3
5950-00-695-2059INTERCHANGEABLE
TRANSFORMER
20343
4720-00-770-2106INTERCHANGEABLE
HOSE,PREFORMED
20343
1650-01-219-5701INTERCHANGEABLE
PISTON,HYDRAULIC MOTOR-PUMP
20343
5670-01-225-2703INTERCHANGEABLE
MOLDING,METAL
5930-01-329-7818INTERCHANGEABLE
SWITCH ASSEMBLY
740559-103

Frequently Asked Questions

What is NSN 4730-01-511-7300?

NSN 4730-01-511-7300 is a Reducer,pipe, manufactured by Allegheny Valve Co, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-511-7300?

NSN 4730-01-511-7300 has 1 cross-referenced part number: 20343 (Allegheny Valve Co).

What NSN replaces 4730-01-511-7300?

There are 8 known substitutes for 4730-01-511-7300: 5310-00-052-6900, 5940-00-269-7983, 4730-00-469-0441 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20343?

Key specifications for 20343: Reducer Type: CONCENTRIC; Part Name Assigned by Controlling Agency: BELLED CONCENTRIC REDUCER; End Item Identification: (C93)FIVE TON TANKER TRAILER, MODEL M967A2,2330-01-495-0040(C94)FIVE TON TANKER TRAILER, MODEL M969A3,2330-01-495-0043; Nominal Overall Length: 5.000 INCHES IN. 4 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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