PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2501-6-6Elbow,pipe to Tube

Brennan Industries · NSN 4730-00-812-7999 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-812-7999 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-812-7999. Primary manufacturer part number: 2501-6-6.
Features
  • Elbow,pipe to Tube — FSC 4730
  • 28 verified cross-references
  • Primary manufacturer: Brennan Industries
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Elbow,pipe to Tube, cataloged under National Stock Number 4730-00-812-7999, 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 Brennan Industries. This item has 28 commercial cross-references from 18 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameElbow,pipe to Tube
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersBrennan Industries (CAGE 5E240); Danfoss Power Solutions II, Llc (CAGE 01276); Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (CAGE 30780); Oshkosh Corp (CAGE 45152); Landoll Company, Llc (CAGE 65459)
Technical Specifications
ParameterValue
NSN4730-00-812-7999
Primary Part Number2501-6-6
Item NameElbow,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerBrennan Industries
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5310-00-010-2640321268 INTERCHANGEABLE
Nut,plain,hexagon
Brinkley Technology Group Llc Dba Hercules Manufacturing
5998-00-104-0354321268 INTERCHANGEABLE
Circuit Card Assembly
Telemechanics Inc
5935-00-201-8480103X16 INTERCHANGEABLE
Connector,receptacle,electrical
Kentucky Mfg Co
7105-00-269-9275 INTERCHANGEABLE
Table,folding Legs
5360-00-477-053651310 INTERCHANGEABLE
Spring,helical,compression
Atlantic Mastercraft Co Inc
5905-00-556-57290S028673 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4730-01-308-4880SAE J514/1 6-6 070202C INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
8345-01-590-1589 INTERCHANGEABLE
Flag,separate Brigades
4240-01-716-0844202446 INTERCHANGEABLE
Belt,safety,industrial
Cmc Rescue, Inc.
Cross-Reference Index
Part NumberManufacturer
2501-6-6 Brennan Industries (USA)
2024-4-6S Danfoss Power Solutions II, Llc (USA)
6 CTX-S Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
7736GX Oshkosh Corp (USA)
118-2681-007 Landoll Company, Llc (USA)
51310 Paccar Winch Inc Dba Paccar Winch Division (USA)
MS51504B6 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
2501-6-4 Brennan Industries (USA)
811CT6NS Air Corps Standards Under Custodianiship of the Air Force
2103-4-6 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
2220773 Jlg Industries, Inc. (USA)
AUK104174 Hanwha Defense Australia Pty Ltd (AUS)
AC-1-351 Pettibone Llc (USA)
2024-4-6 Danfoss Power Solutions II, Llc (USA)
2103-4-6 Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
321268 Caterpillar Inc Div Caterpillar Defense (USA)
MIL-F-18866 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
6CBTXS Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
MS51504A6 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
7736GX Oshkosh Defense Llc (USA)
Related Parts
5310-00-010-2640INTERCHANGEABLE
NUT,PLAIN,HEXAGON
321268
5998-00-104-0354INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
321268
5935-00-201-8480INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
103X16
7105-00-269-9275INTERCHANGEABLE
TABLE,FOLDING LEGS
5360-00-477-0536INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
51310
5905-00-556-5729INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
0S028673
4730-01-308-4880INTERCHANGEABLE
ELBOW,PIPE TO TUBE
SAE J514/1 6-6 070202C
8345-01-590-1589INTERCHANGEABLE
FLAG,SEPARATE BRIGADES
4240-01-716-0844INTERCHANGEABLE
BELT,SAFETY,INDUSTRIAL
202446

Frequently Asked Questions

What is NSN 4730-00-812-7999?

NSN 4730-00-812-7999 is a Elbow,pipe to Tube, manufactured by Brennan Industries, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-812-7999?

NSN 4730-00-812-7999 has 28 cross-referenced part numbers: 2501-6-6 (Brennan Industries), 2024-4-6S (Danfoss Power Solutions II, Llc), 6 CTX-S (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 7736GX (Oshkosh Corp), 118-2681-007 (Landoll Company, Llc) and 23 more.

What NSN replaces 4730-00-812-7999?

There are 9 known substitutes for 4730-00-812-7999: 5310-00-010-2640, 5998-00-104-0354, 5935-00-201-8480 and 6 more. Verify interchangeability with system specifications before substitution.

Is NSN 4730-00-812-7999 still in active supply?

NSN 4730-00-812-7999 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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