B-812-1

B8121 Tube Coupling Nut
Home » Catalog » Fittings (p. 1906) » Tube Coupling Nuts (p. 13) » Part Number B-812-1

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Datasheet. B-812-1 specification

Fabrication Method
The process used in manufacturing the item.

machined

Nut Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the nut.

tube coupling

Nut Height

0.688in. ⁓45/64"

Width Across Flats
The shortest straight line between flats,perpendicular to the height.

0.875in. ⁓7/8"

Nominal Tube Outside Diameter
The nominal length of a straight line which passes through the center of a tube,and terminates at the outside circumference.

0.500in.

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

copper alloy

Answers.

What material is the tube coupling nut made of ?

Copper alloy

What is the NSN for B-812-1?

4730-01-061-5329

How is this classified for shipping?

Schedule B number: 7415290000
Copper screws, nuts, bolts, rivets, and other fasteners not threaded

What's the federal classification of B-812-1?

FSC 4730 ⁓ Hose, pipe, tube, lubrication, and railing fittings

Excluding air conditioning-heating fittings (fsc 4520); bituminized fiber and concrete fittings (fsc 5630); conduit boxes and fittings (fsc 5975); downspout fittings (fsc 5670); medical and surgical fittings (fsc 6515); laboratory fittings (fsc 6640); post caps and rail ends (fsc 5660); machine thread bushings and plugs (fsc 5365).

NSN 4730-01-061-5329 NUT,TUBE COUPLING

NIIN
010615329
NIIN Date
06/23/78
Schedule B
7415290000 
Name Code
03859
FIIG
A021A0
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - National Aeronautics And Space Administration 
  • - Canada 

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Similar by Design Other nuts with similar characteristics

Nothing similar to this part number was found in our inventory

B-812-1 / Nut,tube couplingWhat is the formal definition of this item?

An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. excludes nut (1), tube coupling, reducing; and nut (1), union.