4730-00-021-1173

Tube Elbow

Find complete technical information, availability, and procurement data for NSN 4730-00-021-1173 All details are based on official government and industry records to support accurate and compliant procurement.

4730-00-021-1173
Federal Supply Group
Pipe, Tubing, Hose, and Fittings
National Stock Number
4730-00-021-1173
Item Name Code
03771
Assigment Date
01/01/1963 (63 years ago)

A fitting that forms an angle of less than 180 degrees (3.141 radians) from a straight flow. Both connecting ends have machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. It may have side or heel inlet(s). See also elbow, pipe and connector, multiple, fluid pressure line.

NSN 4730000211173 has a threaded external tube as a connection type on the 1st & 2nd ends. The elbow's thread quantities are 18 on the 1st & 2nd ends. The 1st end nominal thread size is 0.562in. ⁓1/64" & 2nd end nominal thread size is 0.562in. ~2-1/64".

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Material Document and Classification
Ams5645 assn standard single material response
Material
Steel
Nominal Outside Diameter Tube Accommodated
0.375 inches 1st end
Nominal Outside Diameter Tube Accommodated
0.375 inches 2nd end
Seat Nominal Radius
0.312 inches 2nd end
Flow Angle
90 degrees
Seat Angle
45 degrees 1st end
Nominal Thread Size
0.562in. 2nd end ⁓2-1/64"
Nominal Thread Size
0.562in. 1st end ⁓1/64"
Thread Quantity Per Inch
18 1st end
Thread Quantity Per Inch
18 2nd end
Connection Type
Threaded external tube 2nd end
Connection Type
Threaded external tube 1st end
Leg Length
1.09 inches 2nd end
Leg Length
1.1 inches 1st end
Connection Style
Flared (tube) 2nd end
Connection Style
Gasket seal (boss) 1st end
Thread Class
3a 1st end
Thread Class
3a 2nd end
Surface Treatment
Passivate
Surface Treatment Document and Classification
+50t7a mfr ref single treatment response
Thread Series Designator
Unf 1st end
Thread Series Designator
Unf 2nd end

Related Parts & Specifications

This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.

Part Number Name
R294P06 Tube Elbow

Classification Data

Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.

Type of Item Identification
4 - Partial descriptive item identification (type 1 concept)
Automatic Data Processing Point
0 - Represents items with no adp components
Demilitarization
A - Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Criticality
X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Federal Item Identification Guide
A080B0
Precious Metals Indicator
A - Item does not contain precious metal.
Pseudo Item Name Code
0003771
Hazardous Material Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Schedule B Code
7307929000

Freight Information

Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.

Major Organizational Entity
XX
National Motor Freight Classification Item Number
052190
National Motor Freight Classification Sub-Item Number
Z
Uniform Freight Classification Item Number
30000
National Motor Freight Class Rating
W - Rating variable
Water Commodity
576 - Metal and metal products, nos, (less than 35 feet)
Type of Cargo
Z - No special type of cargo code applicable
Special Hand
9 - Other or no special handling required (sh)
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Air Commodity
BZ -
National Motor Freight Description
pipe,tubing,or pipe or tubing fitti

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 4730-00-021-1173

What is the FSCG of the NSN 4730-00-021-1173?
The FSCG of the NSN 4730-00-021-1173 is 4730
Does the NSN 4730-00-021-1173 have a Schedule B code assigned?
Yes, the Schedule B code is 7307929000
Does NSN 4730-00-021-1173 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 4730-00-021-1173 contain precious materials?
Item does not contain precious metal.
Does NSN 4730-00-021-1173 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 4730-00-021-1173 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963
What is the surface treatment used on 4730-00-021-1173?
Passivate

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