202-21522-66W

Tube Coupling

This page provides complete and verified information for part number 202-21522-66W, NSN 4730-00-451-6035

You’ll find detailed technical specifications, product attributes, condition classification, and real-time stock availability. All data is based on official records and meets industry standards for defense, aerospace, and industrial sourcing. Whether you’re performing a parts audit, validating compliance, or preparing a purchase order, this part listing supports accurate and efficient procurement.

202-21522-66W
Federal Supply Group
Pipe, Tubing, Hose, and Fittings
National Stock Number
4730-00-451-6035
Item Name Code
06078
Assigment Date
06/02/1971 (55 years ago)

3a 2nd end thread class, flareless (tube) 2nd end connection style, threaded external tube 2nd end connection type, streamlined w/ one brazing ring (tube) 1st end connection style, unthreaded internal tube 1st end connection type

Characteristics

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

Thread Class
3a 2nd end
Connection Style
streamlined w/ one brazing ring (tube) 1st end
Connection Style
flareless (tube) 2nd end
Connection Type
threaded external tube 2nd end
Connection Type
unthreaded internal tube 1st end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Nominal Thread Size
0.562 inches 2nd end
Seat Angle
12.0 degrees 2nd end
Nominal Outside Diameter Tube Accommodated
0.375 inches 1st end
Nominal Outside Diameter Tube Accommodated
0.375 inches 2nd end
Nominal Overall Length
2.200 inches
Special Features
precious metal,gold,weight,0.0014 pound per coupling,gold brazing ring located on first end
Material
steel comp 316l overall
Material Document And Classification
66 fed std single material response overall
Media For Which Designed
fluid single response
Surface Treatment
passivate inside
Surface Treatment
passivate outside
Style Designator
rigid, short center wrenching facility
Thread Series Designator
unf 2nd end
Furnished Items And Quantity
1 brazing ring

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)
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
U - Precious metal content is unknown
Pseudo Item Name Code
0006078
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
7307994000

Freight Information

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

Major Organizational Entity
AX
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 202-21522-66W

What is the FSCG of the NSN 4730-00-451-6035?
The FSCG of the NSN 4730-00-451-6035 is 4730
Does the NSN 4730-00-451-6035 have a Schedule B code assigned?
Yes, the Schedule B code is 7307994000
Does NSN 4730-00-451-6035 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 4730-00-451-6035 contain precious materials?
Precious metal content is unknown
Does NSN 4730-00-451-6035 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 4730-00-451-6035 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Wed, Jun 2, 1971

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