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Pipe Flange NSN 4730-01-257-1520

Item Description

An item solid or split into halves, having a threaded or unthreaded hole for the purpose of connecting or retaining a pipe, tube, or hose fitting. The face of the flange may be smooth, grooved, or serrated and may be drilled for connecting bolts or studs. If the item is unthreaded, the pipe or tube may be retained by welding, brazing, compression, or the like. Excludes flange, pipe, blind; ferrule, grooved clamp coupling; and adapter (as modified).

NSN 4730-01-257-1520 NSN: 4730-01-257-1520

Features and Characteristics

Thread Class
3b
Groove Depth
0.125 inches
Groove Width
0.312 inches
Flange Diameter
1.750 inches
Thickness
0.250 inches
Neck Height
0.062 inches
Flange Section Style
Plain face, raised neck
Groove Cross-sectional Shape
Rectangular
Groove Pitch Diameter
1.312 inches
Screw Thread Series Designator
Unf
Face Seating Surface Condition
Unfinished
Thread Size
0.750 inches
Special Features
Loop for plug lockwire welded in place
Material
Aluminum
Material Specification
Qq-a-411 federal specification single material response
Style Designator
Round, no bolt holes
Specification Data
88044-an870 government standard
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
012571520
NSN
4730012571520

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AN870-12
Cage Code:
88044
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7609000000
  • NAICS: 332919
  • SITC: 68427
  • Description: Aluminum tube or pipe fittings (couplings,elbows sleeves)
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 4730-01-257-1520
What are the manufacturers of nsn 4730012571520?
Does this nsn 4730012571520 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730012571520
An item solid or split into halves, having a threaded or unthreaded hole for the purpose of connecting or retaining a pipe, tube, or hose fitting. the face of the flange may be smooth, grooved, or serrated and may be drilled for connecting bolts or studs. if the item is unthreaded, the pipe or tube may be retained by welding, brazing, compression, or the like. excludes flange, pipe, blind; ferrule, grooved clamp coupling; and adapter (as modified).
Does nsn 4730012571520 contain any precious metals?
No precious metal content.
Does nsn 4730012571520 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730012571520?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
03798
FIIG:
A23300
App. Key:
B
Cond. Code:
1
Status:
A

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