PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30158Reducer,tube

United States Plastic Corp · NSN 4730-01-705-8645 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-705-8645 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-705-8645. Primary manufacturer part number: 30158.
Features
  • Reducer,tube — FSC 4730
  • 2 verified cross-references
  • Primary manufacturer: United States Plastic Corp
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Reducer,tube, cataloged under National Stock Number 4730-01-705-8645, 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 United States Plastic Corp. This item has 2 commercial cross-references from 2 manufacturers, 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
NSN4730-01-705-8645
Primary Part Number30158
Item NameReducer,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerUnited States Plastic Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-100-060359412 INTERCHANGEABLE
Cup,tapered Roller Bearing
Kenworth Truck Co a Div of Paccar Inc
5310-01-232-0363 INTERCHANGEABLE
Nut,self-Locking,hexagon
5330-01-282-039330-158 INTERCHANGEABLE
Gasket
Thermo King Corporation Dba Phoenix Global Distirbution.
2990-01-522-658730158 INTERCHANGEABLE
Compensation Lever
Woodward, Inc.
4820-01-524-191427CC33HM-Z20/S4 INTERCHANGEABLE
Valve,safety Relief
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
4820-01-524-266730003X1 INTERCHANGEABLE
Disk,valve
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
4820-01-524-267230149 INTERCHANGEABLE
Nozzle,valve
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
4820-01-524-267630148 INTERCHANGEABLE
Stem,fluid Valve
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
8105-01-615-65173-0158 INTERCHANGEABLE
Bag,plastic
Lightning Powder Company Inc
6105-01-706-7926 INTERCHANGEABLE
Motor,direct Current
Cross-Reference Index
Part NumberManufacturer
30158 United States Plastic Corp (USA)
9829-060 Georg Fischer Llc Dba Georg Fischer Piping (USA)
Related Parts
3110-00-100-0603INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
59412
5310-01-232-0363INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5330-01-282-0393INTERCHANGEABLE
GASKET
30-158
2990-01-522-6587INTERCHANGEABLE
COMPENSATION LEVER
30158
4820-01-524-1914INTERCHANGEABLE
VALVE,SAFETY RELIEF
27CC33HM-Z20/S4
4820-01-524-2667INTERCHANGEABLE
DISK,VALVE
30003X1
4820-01-524-2672INTERCHANGEABLE
NOZZLE,VALVE
30149
4820-01-524-2676INTERCHANGEABLE
STEM,FLUID VALVE
30148
8105-01-615-6517INTERCHANGEABLE
BAG,PLASTIC
3-0158
6105-01-706-7926INTERCHANGEABLE
MOTOR,DIRECT CURRENT

Frequently Asked Questions

What is NSN 4730-01-705-8645?

NSN 4730-01-705-8645 is a Reducer,tube, manufactured by United States Plastic Corp, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-705-8645?

NSN 4730-01-705-8645 has 2 cross-referenced part numbers: 30158 (United States Plastic Corp), 9829-060 (Georg Fischer Llc Dba Georg Fischer Piping).

What NSN replaces 4730-01-705-8645?

There are 10 known substitutes for 4730-01-705-8645: 3110-00-100-0603, 5310-01-232-0363, 5330-01-282-0393 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30158?

Key specifications for 30158: Special Features: PIPE, COUPLING, CPVC, 6 IN LIGH GRAY SCH 80 CPVC SOCKET STRAIGHT COUPLING FITTING WEIGHT: 3.6 LBS. LBS. 1 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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