PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-59949Plug,tube Repair

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 4730-01-645-7381 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-645-7381 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-645-7381. Primary manufacturer part number: A-A-59949.
Features
  • Plug,tube Repair — FSC 4730
  • Major Diameter: 0.625 INCHES NOMINAL IN
  • Nominal Overall Length: 2.0 INCHES IN
  • Nominal Outside Diameter Tube Accommodated: 0.625 INCHES IN
  • Material: PLASTIC
  • Minor Diameter: 0.4375 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Federal Commercial Item Description Promulgated by General Services Administration Washington DC
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Plastic construction
General Description

The Plug,tube Repair, cataloged under National Stock Number 4730-01-645-7381, 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 Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-645-7381
Primary Part NumberA-A-59949
Item NamePlug,tube Repair
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Major Diameter0.625 INCHES NOMINAL IN
Nominal Overall Length2.0 INCHES IN
Nominal Outside Diameter Tube Accommodated0.625 INCHES IN
MaterialPLASTIC
Minor Diameter0.4375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-00-289-0593 INTERCHANGEABLE
Plug,tube Repair
4730-00-289-0595 INTERCHANGEABLE
Plug,tube Repair
4730-00-337-6753 INTERCHANGEABLE
Plug,tube Repair
4730-00-821-0795 INTERCHANGEABLE
Plug,tube Repair
Cross-Reference Index
Part NumberManufacturer
A-A-59949 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59949-5 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
4730-00-289-0593INTERCHANGEABLE
PLUG,TUBE REPAIR
4730-00-289-0595INTERCHANGEABLE
PLUG,TUBE REPAIR
4730-00-337-6753INTERCHANGEABLE
PLUG,TUBE REPAIR
4730-00-821-0795INTERCHANGEABLE
PLUG,TUBE REPAIR

Frequently Asked Questions

What is NSN 4730-01-645-7381?

NSN 4730-01-645-7381 is a Plug,tube Repair, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-645-7381?

NSN 4730-01-645-7381 has 2 cross-referenced part numbers: A-A-59949 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA59949-5 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 4730-01-645-7381?

There are 4 known substitutes for 4730-01-645-7381: 4730-00-289-0593, 4730-00-289-0595, 4730-00-337-6753 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-59949?

Key specifications for A-A-59949: Major Diameter: 0.625 INCHES NOMINAL IN; Nominal Overall Length: 2.0 INCHES IN; Nominal Outside Diameter Tube Accommodated: 0.625 INCHES IN; Material: PLASTIC. 5 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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