PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

444004Coupling,pipe

Army Weapons Command Attn Amswe-Ree-S · NSN 4730-00-721-9672 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-721-9672 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-721-9672. Primary manufacturer part number: 444004.
Features
  • Coupling,pipe — FSC 4730
  • Media for Which Designed: FLUID SINGLE RESPONSE
  • Material: COPPER ALLOY OVERALL
  • Thread Series Designator: NPTF ALL ENDS
  • Style Designator: RIGID, THREADED INTERNAL AND EXTERNAL
  • Connection Style: PLAIN (PIPE) SECOND END
  • Connection Type: THREADED INTERNAL PIPE FIRST END
  • Connection Style: PLAIN (PIPE) FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-00-721-9672, 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 Army Weapons Command Attn Amswe-Ree-S. Government technical data includes 10 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-721-9672
Primary Part Number444004
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerArmy Weapons Command Attn Amswe-Ree-S
StatusACTIVE
Media for Which DesignedFLUID SINGLE RESPONSE
MaterialCOPPER ALLOY OVERALL
Thread Series DesignatorNPTF ALL ENDS
Style DesignatorRIGID, THREADED INTERNAL AND EXTERNAL
Connection StylePLAIN (PIPE) SECOND END
Connection TypeTHREADED INTERNAL PIPE FIRST END
Connection StylePLAIN (PIPE) FIRST END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Nominal Thread Size0.500 INCHES ALL ENDS IN
Nominal Overall Length1.656 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-475-5168SAE J530 8-8 130139 INTERCHANGEABLE
Coupling,pipe
Sae International Dba Sae International
5340-00-802-5773 INTERCHANGEABLE
Bracket,multiple Angle
2925-01-074-910244400-4 INTERCHANGEABLE
Stator,engine Generator
Unison Industries Llc
Cross-Reference Index
Part NumberManufacturer
444004 Army Weapons Command Attn Amswe-Ree-S (USA)
Related Parts
4730-00-475-5168INTERCHANGEABLE
COUPLING,PIPE
SAE J530 8-8 130139
5340-00-802-5773INTERCHANGEABLE
BRACKET,MULTIPLE ANGLE
2925-01-074-9102INTERCHANGEABLE
STATOR,ENGINE GENERATOR
44400-4

Frequently Asked Questions

What is NSN 4730-00-721-9672?

NSN 4730-00-721-9672 is a Coupling,pipe, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-721-9672?

NSN 4730-00-721-9672 has 1 cross-referenced part number: 444004 (Army Weapons Command Attn Amswe-Ree-S).

What NSN replaces 4730-00-721-9672?

There are 3 known substitutes for 4730-00-721-9672: 4730-00-475-5168, 5340-00-802-5773, 2925-01-074-9102. Verify interchangeability with system specifications before substitution.

What are the specifications of 444004?

Key specifications for 444004: Media for Which Designed: FLUID SINGLE RESPONSE; Material: COPPER ALLOY OVERALL; Thread Series Designator: NPTF ALL ENDS; Style Designator: RIGID, THREADED INTERNAL AND EXTERNAL. 10 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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