PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

009951579Tee,pipe to Tube

Oshkosh Defense Llc · NSN 4730-00-995-1579 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-995-1579 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-995-1579. Primary manufacturer part number: 009951579.
Features
  • Tee,pipe to Tube — FSC 4730
  • Seat Angle: 37.0 DEGREES THIRD END
  • Specification/standard Data: 96906-MS51511 GOVERNMENT STANDARD AND 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Thread Class: 2A SECOND END A
  • Leg Length: 1.090 INCHES NOMINAL SECOND END IN
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Connection Type: THREADED EXTERNAL TUBE THIRD END
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 12l14 Overall construction
General Description

The Tee,pipe to Tube, cataloged under National Stock Number 4730-00-995-1579, 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 Oshkosh Defense Llc. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 27 commercial cross-references from 16 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-995-1579
Primary Part Number009951579
Item NameTee,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusCANCELLED
Seat Angle37.0 DEGREES THIRD END
Specification/standard Data96906-MS51511 GOVERNMENT STANDARD AND 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Thread Class2A SECOND END A
Leg Length1.090 INCHES NOMINAL SECOND END IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Connection TypeTHREADED EXTERNAL TUBE THIRD END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Leg Length1.060 INCHES NOMINAL FIRST END IN
Connection StyleFLARED (TUBE) FIRST END
Connection StyleFLARED (TUBE) THIRD END
Operating Pressure5.000 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Seat Angle37.0 DEGREES FIRST END
Maximum Operating Temp400.0 FAHRENHEIT SINGLE RESPONSE DEGF
Nominal Thread Size0.562 INCHES THIRD END IN
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
MaterialSTEEL COMP 12L14 OVERALL
Thread Class2A FIRST END A
Connection StylePLAIN (PIPE) SECOND END
Nominal Thread Size0.250 INCHES SECOND END IN
Thread Series DesignatorNPTF SECOND END
Leg Length1.060 INCHES NOMINAL THIRD END IN
Thread Series DesignatorUNF FIRST END
Nominal Outside Diameter Tube Accommodated0.375 INCHES THIRD END IN
Nondefinitive Spec/std Data5C FIGURE
Furnished Items and Quantity2 FERRULE SLEEVE AND 2 SHORT COUPLING NUT
Nominal Thread Size0.562 INCHES FIRST END IN
Media for Which DesignedFLUID SINGLE RESPONSE
Thread Series DesignatorUNF THIRD END
Surface Treatment Document and ClassificationJ514 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3040-00-063-6327A3-42 INTERCHANGEABLE
Shaft,straight
Roller Bearing Co of America, Inc Div Pic Design
5310-00-238-103011111 INTERCHANGEABLE
Washer,flat
Garwood/feller Inc Garwood Winch Div
5930-00-253-2347111-11 INTERCHANGEABLE
Switch,rotary
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5355-00-351-458111-1-11 INTERCHANGEABLE
Dial,control
Vishay Sprague Inc
5305-00-367-4276202846 INTERCHANGEABLE
Screw
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5331-00-579-8108124A745 INTERCHANGEABLE
O-Ring
Meggitt Troy Inc
1660-00-730-2087202846 INTERCHANGEABLE
Scroll Assy,turbine
Honeywell International Inc. Div Aerospace - Torrance
6210-00-754-554711-0111-200 INTERCHANGEABLE
Lens,light
Dialight Corporation
5999-00-927-15401111-1 INTERCHANGEABLE
Light-Switch Assembly
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
5360-01-054-0132202846 INTERCHANGEABLE
Spring,helical,compression
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
Cross-Reference Index
Part NumberManufacturer
009951579 Oshkosh Defense Llc (USA)
C5755X6 Dana Corp Weatherhead Div (USA)
23771FX Oshkosh Defense Llc (USA)
MS51511A6 Lube Devices Inc Flodar Fluid Power Fittings Div (USA)
2028-4-6S Danfoss Power Solutions II, Llc (USA)
MS51511A6 Dana Corp Weatherhead Div (USA)
11111 Artrox Mfg Corp (USA)
6-6-4 070424CA Society of Automotive Engineers Inc (USA)
013T-4-6 Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
MS51511A6 Danfoss Power Solutions II, Llc (USA)
MS51511A6 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
6RBTX-S Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
MS51511B6 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS51511A6 Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
MIL-DTL-18866 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
6RBTXS Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
6RBTX-S Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
J514 Society of Automotive Engineers Inc (USA)
6-6-4 070424CA Sae International Dba Sae International (USA)
MS51511A6 Imperial (USA)
Related Parts
3040-00-063-6327INTERCHANGEABLE
SHAFT,STRAIGHT
A3-42
5310-00-238-1030INTERCHANGEABLE
WASHER,FLAT
11111
5930-00-253-2347INTERCHANGEABLE
SWITCH,ROTARY
111-11
5355-00-351-4581INTERCHANGEABLE
DIAL,CONTROL
11-1-11
5305-00-367-4276INTERCHANGEABLE
SCREW
202846
5331-00-579-8108INTERCHANGEABLE
O-RING
124A745
1660-00-730-2087INTERCHANGEABLE
SCROLL ASSY,TURBINE
202846
6210-00-754-5547INTERCHANGEABLE
LENS,LIGHT
11-0111-200
5999-00-927-1540INTERCHANGEABLE
LIGHT-SWITCH ASSEMBLY
1111-1
5360-01-054-0132INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
202846
5310-01-239-4677INTERCHANGEABLE
NUT,SELF-LOCKING,EXTENDED WASHER
11111
5330-01-261-7924INTERCHANGEABLE
SEAL,PLAIN

Frequently Asked Questions

What is NSN 4730-00-995-1579?

NSN 4730-00-995-1579 is a Tee,pipe to Tube, manufactured by Oshkosh Defense Llc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-995-1579?

NSN 4730-00-995-1579 has 27 cross-referenced part numbers: 009951579 (Oshkosh Defense Llc), C5755X6 (Dana Corp Weatherhead Div), 23771FX (Oshkosh Defense Llc), MS51511A6 (Lube Devices Inc Flodar Fluid Power Fittings Div), 2028-4-6S (Danfoss Power Solutions II, Llc) and 22 more.

What NSN replaces 4730-00-995-1579?

There are 12 known substitutes for 4730-00-995-1579: 3040-00-063-6327, 5310-00-238-1030, 5930-00-253-2347 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 009951579?

Key specifications for 009951579: Seat Angle: 37.0 DEGREES THIRD END; Specification/standard Data: 96906-MS51511 GOVERNMENT STANDARD AND 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Thread Class: 2A SECOND END A; Leg Length: 1.090 INCHES NOMINAL SECOND END IN. 29 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-995-1579 still in active supply?

NSN 4730-00-995-1579 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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