PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30056Coupling,pipe

United States Plastic Corp · NSN 4730-01-620-3420 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-620-3420 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-620-3420. Primary manufacturer part number: 30056.
Features
  • Coupling,pipe — FSC 4730
  • 1 verified cross-reference
  • Primary manufacturer: United States Plastic Corp
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-01-620-3420, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCoupling,pipe
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersUnited States Plastic Corp (CAGE 27901)
Technical Specifications
ParameterValue
NSN4730-01-620-3420
Primary Part Number30056
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerUnited States Plastic Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-006-0115229813N INTERCHANGEABLE
Valve,diaphragm,stop
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5310-00-208-37463005-6 INTERCHANGEABLE
Nut,plain,hexagon
Weldon Pump Llc
5330-00-460-26111016B INTERCHANGEABLE
Gasket
Sunroc Corp
5977-00-696-0221MZ2012ES INTERCHANGEABLE
Brush Set,electrical Contact
Prestolite Electric Inc
2520-00-733-73347337334 INTERCHANGEABLE
Parts Kit,universal Joint
U S Army Tank Automotive Command Amsta-Im-Mm
5950-00-869-63713005-6 INTERCHANGEABLE
Saturable Reactor
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5305-01-167-8337 INTERCHANGEABLE
Screw,cap,hexagon Head
3020-01-177-8580 INTERCHANGEABLE
Gear,internal
5930-01-194-960530056 INTERCHANGEABLE
Switch Assembly
Wilshire Corp
5340-01-374-2424N30056 INTERCHANGEABLE
Seat,helical Compression Spring
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
30056 PRIMARY United States Plastic Corp (USA)
Related Parts
4820-00-006-0115INTERCHANGEABLE
VALVE,DIAPHRAGM,STOP
229813N
5310-00-208-3746INTERCHANGEABLE
NUT,PLAIN,HEXAGON
3005-6
5330-00-460-2611INTERCHANGEABLE
GASKET
1016B
5977-00-696-0221INTERCHANGEABLE
BRUSH SET,ELECTRICAL CONTACT
MZ2012ES
2520-00-733-7334INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
7337334
5950-00-869-6371INTERCHANGEABLE
SATURABLE REACTOR
3005-6
5305-01-167-8337INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
3020-01-177-8580INTERCHANGEABLE
GEAR,INTERNAL
5930-01-194-9605INTERCHANGEABLE
SWITCH ASSEMBLY
30056
5340-01-374-2424INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
N30056
4730-01-406-4671INTERCHANGEABLE
CLAMP,HOSE
300 56 H B
5310-01-565-3255INTERCHANGEABLE
NUT,PLAIN,HEXAGON
30056

Frequently Asked Questions

What is NSN 4730-01-620-3420?

NSN 4730-01-620-3420 is a Coupling,pipe, manufactured by United States Plastic Corp, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-620-3420?

NSN 4730-01-620-3420 has 1 cross-referenced part number: 30056 (United States Plastic Corp).

What NSN replaces 4730-01-620-3420?

There are 12 known substitutes for 4730-01-620-3420: 4820-00-006-0115, 5310-00-208-3746, 5330-00-460-2611 and 9 more. Verify interchangeability with system specifications before substitution.

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