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NSN 845-2445071ITEM53

Reducing Tube Coupling Nut

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

36a figure nondefinitive spec/std data, machined fabrication method, 0.250 inches nominal tube outside diameter, unable to decode material, 0.438 inches nominal thread size.

NSN 4730-01-176-6732 Datasheet

(NSN) National Stock Number
4730-01-176-6732
(FSG) Federal Supply Group
47 - Pipe, Tubing, Hose, and Fittings
(NIIN) National Item Identification Number
01-176-6732
Requires Demilitarization
Yes
(INC) Item Name Code
03860
Date
Sat, Apr 14, 1984
Schedule B Code
7415290000
Fabrication Method
machined
Material
unable to decode
Nominal Tube Outside Diameter
0.250 inches
Nominal Thread Size
0.438 inches
Nondefinitive Spec/Std Data
36a figure
Nut Height
0.594 inches nominal
Nut Style
tube coupling
Seat Angle
45.0 degrees nominal
Smallest Inside Diameter
0.188 inches nominal
Specification/Standard Data
81343-j513 professional/industrial association standard
Thread Class
2b
Thread Direction
right-hand
Thread Quantity Per Inch
20
Thread Series
unf
Width Across Flats
0.750 inches nominal

Identification

Demilitarization Code
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.
Precious Metals Indicator
A - Item does not contain precious metal.
Hazardous Metals Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Pseudo Item Name Code
0003860

Cross Reference

CAGE Codes

43689
Huntington Ingalls Inc Div Newport News Shipbuilding
Non-manufacturers
81343
Society of Automotive Engineers Inc
U.s./canadian manufacturers
80064
Naval Ship Systems Command
U.s./canadian manufacturers

Freight Information

Air Commodity
BZ -
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
National Motor Freight Class Rating
Q - 70.0
Special Handling
9 - Other or no special handling required (sh)
Type of Cargo
Z - No special type of cargo code applicable
Uniform Freight Classification Item Number
48930
Water Commodity
576 - Metal and metal products, nos, (less than 35 feet)
National Motor Freight Classification Item Number
093460

Schedule B & Trade

Schedule B
7415-29-0000
Description
copper screws, nuts, bolts, rivets, and other fasteners not threaded
End Use
12300 - Finished metal shapes
Unit of Quantity
KG
USDA
Yes
(SITC) Standard International Trade Classification
69432
(NAICS) North American Industrial Classification System
332722

Questions & Answers

  1. What is the FSCG of the NSN 4730-01-176-6732?

    The FSCG of the NSN 4730-01-176-6732 is 4730

  2. Does the NSN 4730-01-176-6732 have a Schedule B code assigned?

    Yes, the Schedule B code is 7415290000

  3. Does NSN 4730-01-176-6732 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.

  4. Does NSN 4730-01-176-6732 contain precious materials?

    Item does not contain precious metal.

  5. Does NSN 4730-01-176-6732 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.

  6. When the NSN 4730-01-176-6732 was assigned to the Federal Catalog?

    It was assigned 42 years ago, on Sat, Apr 14, 1984

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