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NSN 30-2497

Tube Coupling Nut

A resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of either a thin layer of conductive material, containing either binders or insulating materials, deposited on an insulated form; or an alloy of metal and ceramic materials, usually fused to an insulated form. Opposition to the flow of current is an inherent property of the materials used and is manifest by the heat dissipation in the resistor. See also attenuator, fixed and resistor, fixed, composition. Excludes:carbon composition type resistors.

0.315 inches minimum and 0.325 inches maximum length to shoulder, material, machined fabrication method, 0.312 inches nominal thread size, material document and classification.

NSN 4730-00-348-3608 Datasheet

(NSN) National Stock Number
4730-00-348-3608
(FSG) Federal Supply Group
47 - Pipe, Tubing, Hose, and Fittings
(NIIN) National Item Identification Number
00-348-3608
Requires Demilitarization
Yes
(INC) Item Name Code
03859
Date
Tue, Jan 1, 1963
Schedule B Code
7318160000
Fabrication Method
machined
Length To Shoulder
0.315 inches minimum and 0.325 inches maximum
Material Document And Classification
Material
Nominal Thread Size
0.312 inches
Nominal Tube Outside Diameter
0.190 inches
Nut Height
0.420 inches nominal
Nut Style
tube coupling
Seat Angle
30.0 degrees minimum and 31.0 degrees maximum
Smallest Inside Diameter
0.190 inches nominal
Thread Class
2b
Thread Direction
right-hand
Thread Quantity Per Inch
24
Thread Series
unf
Width Across Flats
0.500 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
U - Precious metal content is unknown
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
0003859

Cross Reference

CAGE Codes

81205
The Boeing Company Div Defense
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
W - Rating variable
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
48950
Water Commodity
573 - Bolts or nuts (iron or steel),(less than 35 feet)
National Motor Freight Classification Item Number
093486

Schedule B & Trade

Schedule B
7318-16-0000
Description
nuts of iron or steel
End Use
12300 - Finished metal shapes
Unit of Quantity
KG
USDA
Yes
(SITC) Standard International Trade Classification
69421
(NAICS) North American Industrial Classification System
332722

Questions & Answers

  1. What is the FSCG of the NSN 4730-00-348-3608?

    The FSCG of the NSN 4730-00-348-3608 is 4730

  2. Does the NSN 4730-00-348-3608 have a Schedule B code assigned?

    Yes, the Schedule B code is 7318160000

  3. Does NSN 4730-00-348-3608 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 4730-00-348-3608 contain precious materials?

    Precious metal content is unknown

  5. Does NSN 4730-00-348-3608 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 4730-00-348-3608 was assigned to the Federal Catalog?

    It was assigned 63 years ago, on Tue, Jan 1, 1963

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