Tube Fitting Flared Sleeve

GA7057-4C

GA7057-4C
(NSN) National Stock Number
4730-00-898-3888
Federal Supply Classification
4730 Hose, Pipe, Tube, Lubrication and Railing Fittings
Item Name Code
18027
Schedule B Code
-
Summary

Not casehardened casehardening indicator, 0.406 inches nominal overall length, 0.140 inches nominal flange width, 0.383 inches nominal flange outside diameter, 45.0 seat angle in deg, 0.297 inches nominal sleeve outside diameter

DAC HCC DMIL RNCC
3 - - 3
RNVC SADC MSDS RNAAC
9 - - AX
Identification

A flanged cylindrical metallic item designed to be used on tubing to back up the flared end and to provide a bearing surface for the coupling nut, thereby reducing wear on the tubing flare. The inside diameter of the flanged end is countersunk to form a seat for the flare when assembled to a mating fitting.

INC FIIG Concept Condition
18027 T385-J - 1
Specifications
Casehardening Indicator
not casehardened
Details Indicates whether or not a ferrous alloy object has been subjected to a process whereby the outer portion is made substantially harder than the inner portion or core.
Overall Length
0.406 inches nominal
Details The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
Flange Width
0.140 inches nominal
Details A measurement taken at right angles to the length of a flange,in distinction from thickness.
Flange Outside Diameter
0.383 inches nominal
Details The length of a straight line which passes through the center of a flange,and terminates at the outside circumference.
Seat Angle In Deg
45.0
Details The angle of the end surface upon which the mated surface seats,expressed in degrees.
Sleeve Outside Diameter
0.297 inches nominal
Details The length of a straight line which passes through the center of the sleeve,with terminated points on the outside circumference.
Hose/Tube Outside Diameter For Which Designed
0.250 inches nominal
Details The length of a straight line which passes through the center of the hose or tube for which the item is designed,and terminates at the outside circumference.
Material
steel comp 303
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Surface Treatment
passivate
Details The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
Style Designator
sleeve
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N U - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
30000 - W -
RVC WCC TCC SHC
- 576 Z 9

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Manufacturer
GLOBE AEROSPACE INC
CAGE: 03647
SUN VALLEY , CA , 91352-2724
UNITED STATES
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FAQs
Frequently asked questions for NSN 4730-00-898-3888
What is the NIIN of the NSN 4730-00-898-3888?
The National Item Identification Number (NIIN) of the NSN 4730-00-898-3888 is 00-898-3888
When the NSN 4730-00-898-3888 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Wed, Feb 8, 1967
Does the NSN 4730-00-898-3888 contain any precious metals?
Type/content is unknown
Does the NSN 4730-00-898-3888 contain any hazardous material?
No data in HMIRS

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