PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3430-4Plug,pipe

The Walworth Company · NSN 4730-00-279-0996 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-279-0996 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-279-0996. Primary manufacturer part number: 3430-4.
Features
  • Plug,pipe — FSC 4730
  • Material: COPPER ALLOY OVERALL
  • Thread Series Designator: NPT EXTERNAL
  • Core Depth: 0.828 INCHES NOMINAL IN
  • Material Document and Classification: QQ-C-390,CP 3 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM A61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Connection Style: PLAIN
  • Head Type: SOLID
  • Drive End Style: RAISED SQUARE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Plug,pipe, cataloged under National Stock Number 4730-00-279-0996, 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 The Walworth Company. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-279-0996
Primary Part Number3430-4
Item NamePlug,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerThe Walworth Company
StatusCANCELLED
MaterialCOPPER ALLOY OVERALL
Thread Series DesignatorNPT EXTERNAL
Core Depth0.828 INCHES NOMINAL IN
Material Document and ClassificationQQ-C-390,CP 3 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM A61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Connection StylePLAIN
Head TypeSOLID
Drive End StyleRAISED SQUARE
Body Core Diameter3.672 INCHES NOMINAL IN
Nondefinitive Spec/std Data1 TYPE
Thread DirectionRIGHT-HAND EXTERNAL
Body TypeCORED
Nominal Thread Size4.000 INCHES EXTERNAL IN
Nominal Pipe Size for Which Designed4.000 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
2530-00-028-3313F13620 INTERCHANGEABLE
Parts Kit,hydraulic Brake Wheel
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
3110-00-151-862534304 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
2920-00-358-6283 INTERCHANGEABLE
Armature,generator
5940-01-386-139734304 INTERCHANGEABLE
Splice,conductor
Te Connectivity Corporation
5305-01-543-789634304 INTERCHANGEABLE
Screw,machine
Fasteners Inc.
5330-01-552-6310XA-34304 INTERCHANGEABLE
Gasket
Conductix Inc Div Conductix Wampfler
Cross-Reference Index
Part NumberManufacturer
3430-4 The Walworth Company (USA)
MS14314-12Y Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
WW-P-460 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
2530-00-028-3313INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE WHEEL
F13620
3110-00-151-8625INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
34304
2920-00-358-6283INTERCHANGEABLE
ARMATURE,GENERATOR
5940-01-386-1397INTERCHANGEABLE
SPLICE,CONDUCTOR
34304
5305-01-543-7896INTERCHANGEABLE
SCREW,MACHINE
34304
5330-01-552-6310INTERCHANGEABLE
GASKET
XA-34304

Frequently Asked Questions

What is NSN 4730-00-279-0996?

NSN 4730-00-279-0996 is a Plug,pipe, manufactured by The Walworth Company, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-279-0996?

NSN 4730-00-279-0996 has 3 cross-referenced part numbers: 3430-4 (The Walworth Company), MS14314-12Y (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), WW-P-460 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 4730-00-279-0996?

There are 6 known substitutes for 4730-00-279-0996: 2530-00-028-3313, 3110-00-151-8625, 2920-00-358-6283 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3430-4?

Key specifications for 3430-4: Material: COPPER ALLOY OVERALL; Thread Series Designator: NPT EXTERNAL; Core Depth: 0.828 INCHES NOMINAL IN; Material Document and Classification: QQ-C-390,CP 3 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM A61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-279-0996 still in active supply?

NSN 4730-00-279-0996 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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