PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3247921Plug,pipe

General Motors Corp Electro-Motive Div · NSN 4730-00-278-3437 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-278-3437 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-278-3437. Primary manufacturer part number: 3247921.
Features
  • Plug,pipe — FSC 4730
  • Nondefinitive Spec/std Data: 1 TYPE
  • Body Type: SOLID
  • Connection Style: PLAIN
  • Nominal Pipe Size for Which Designed: 0.750 INCHES IN
  • Head Type: SOLID
  • Drive End Style: RECESSED SQUARE
  • Thread Series Designator: NPT EXTERNAL
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 4730-00-278-3437, 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 General Motors Corp Electro-Motive Div. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-278-3437
Primary Part Number3247921
Item NamePlug,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerGeneral Motors Corp Electro-Motive Div
StatusCANCELLED
Nondefinitive Spec/std Data1 TYPE
Body TypeSOLID
Connection StylePLAIN
Nominal Pipe Size for Which Designed0.750 INCHES IN
Head TypeSOLID
Drive End StyleRECESSED SQUARE
Thread Series DesignatorNPT EXTERNAL
Nominal Thread Size0.750 INCHES EXTERNAL IN
MaterialCOPPER ALLOY OVERALL
Thread DirectionRIGHT-HAND EXTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
4730-00-011-2578 INTERCHANGEABLE
Plug,pipe
4730-00-044-4705345889PC404 INTERCHANGEABLE
Plug,pipe
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4010-00-929-0036 INTERCHANGEABLE
Chain,weldless
4730-01-071-8262 INTERCHANGEABLE
Plug,pipe
4730-01-132-8753 INTERCHANGEABLE
Plug,pipe
Cross-Reference Index
Part NumberManufacturer
3247921 General Motors Corp Electro-Motive Div (USA)
265902PC132 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
P10383 Cooper Cameron Corp Ajax-Superior Div (USA)
MS14314-5X Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
14U1087PC9856 Naval Ship Systems Command (USA)
4847457 PART 39 Naval Ship Systems Command (USA)
MILF1184COMPOSITION1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS14314-5 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
C1077PC49 Hatch & Kirk, Inc. (USA)
12Z328PC93 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
MS14314 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M48406 E.j. Willis Company, Inc. Dba Ej Willis Co Inc (USA)
3247921 Hatch & Kirk, Inc. (USA)
WW-P-460 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
11108A Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
11108A Hercules Engine Co Inc (USA)
C1077PC49 General Motors Corp Electro-Motive Div (USA)
Related Parts
4730-00-011-2578INTERCHANGEABLE
PLUG,PIPE
4730-00-044-4705INTERCHANGEABLE
PLUG,PIPE
345889PC404
4010-00-929-0036INTERCHANGEABLE
CHAIN,WELDLESS
4730-01-071-8262INTERCHANGEABLE
PLUG,PIPE
4730-01-132-8753INTERCHANGEABLE
PLUG,PIPE

Frequently Asked Questions

What is NSN 4730-00-278-3437?

NSN 4730-00-278-3437 is a Plug,pipe, manufactured by General Motors Corp Electro-Motive Div, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-278-3437?

NSN 4730-00-278-3437 has 17 cross-referenced part numbers: 3247921 (General Motors Corp Electro-Motive Div), 265902PC132 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), P10383 (Cooper Cameron Corp Ajax-Superior Div), MS14314-5X (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 14U1087PC9856 (Naval Ship Systems Command) and 12 more.

What NSN replaces 4730-00-278-3437?

There are 5 known substitutes for 4730-00-278-3437: 4730-00-011-2578, 4730-00-044-4705, 4010-00-929-0036 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3247921?

Key specifications for 3247921: Nondefinitive Spec/std Data: 1 TYPE; Body Type: SOLID; Connection Style: PLAIN; Nominal Pipe Size for Which Designed: 0.750 INCHES IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-278-3437 still in active supply?

NSN 4730-00-278-3437 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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