Hose to Boss Straight Adapter

E251525-1

E251525-1
(NSN) National Stock Number
4730-00-176-4631
Federal Supply Classification
4730 Hose, Pipe, Tube, Lubrication and Railing Fittings
Item Name Code
22673
Schedule B Code
7609000000
Summary

2a 2nd end thread class, beaded hose 1st end connection style, external seat for gasket seal (boss) 2nd end connection style, threaded external boss 2nd end connection type, unthreaded external hose 1st end connection type, 0.250 inches 2nd end nominal thread size

DAC HCC DMIL RNCC
1 - - 3
RNVC SADC MSDS RNAAC
9 - - AX
Identification

An adapter having standard hose threads on one end, an incomplete part of a threaded end connection that grips the hose directly, or an unthreaded end designed to accommodate a hose. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It is designed to join a hose or hose fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also coupling, hose and connector, hose, bulkhead. Excludes:items having flanged ends.

INC FIIG Concept Condition
22673 A080B0 1 1
Specifications
Thread Class
2a 2nd end
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Connection Style
beaded hose 1st end
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
Connection Style
external seat for gasket seal (boss) 2nd end
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
Connection Type
threaded external boss 2nd end
Details Indicates the type of connection/s/.
Connection Type
unthreaded external hose 1st end
Details Indicates the type of connection/s/.
Nominal Thread Size
0.250 inches 2nd end
Details A designation that is used for the purpose of general identification of the thread.
Nominal Inside Diameter Hose Accommodated
0.250 inches 1st end
Details The nominal length of a straight line which passes through the center of the accommodated hose,and terminates at the inside circumference.
Nominal Overall Length
0.620 inches
Details The nominal dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
Material
aluminum alloy 6061 overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
qq-a-225/8,t6 fed spec single material response overall
Details The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.
Surface Treatment
oxide film inside
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.
Surface Treatment
oxide film outside
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.
Surface Treatment Document And Classification
mil-c-5541 mil spec single treatment response inside
Details The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
Surface Treatment Document And Classification
mil-c-5541 mil spec single treatment response outside
Details The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.
Thread Series Designator
unf 2nd end
Details A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
MIL-C-5541 81349 3 - 4 1 - AX
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
00000 - W -
RVC WCC TCC SHC
- 576 Z 9

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Manufacturer
NORTHROP GRUMMAN SYSTEMS CORPORATION DIV SPACE SYSTEMS DIVISION
CAGE: 11982
REDONDO BEACH , CA , 90278-1001
UNITED STATES
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FAQs
Frequently asked questions for NSN 4730-00-176-4631
What is the NIIN of the NSN 4730-00-176-4631?
The National Item Identification Number (NIIN) of the NSN 4730-00-176-4631 is 00-176-4631
When the NSN 4730-00-176-4631 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Fri, Jan 2, 1970
Does the NSN 4730-00-176-4631 contain any precious metals?
Type/content is unknown
Does the NSN 4730-00-176-4631 contain any hazardous material?
No data in HMIRS

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