NSN 4730-01-706-3354, 4730017063354
REDUCER,TUBE

Federal Supply Classification: FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number: NIIN 017063354
Codification Country: United States
Item Name Code: INC 08506
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

Manufacture or supply this part?
Join our growing community of certified suppliers.

Let Us Know

CALL ABOUT NSN 4730-01-706-3354

Our client representatives are standing by to help fulfill your request.

+1-321-773-5710

REQUEST QUOTE for 4730-01-706-3354

Have a list that needs to be quoted? Upload it here.

Upload a List

DLMS^® Summary

National Stock Number 4730-01-706-3354

National Stock Number (NSN) 4730-01-706-3354, or NIIN 017063354, (reducer,tube) was assigned November 16, 2022 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is assigned to Item Name Code (INC) 08506. [A STRAIGHT TUBE FITTING HAVING A DIFFERENT SIZE CONNECTION ON EACH END. IT IS DESIGNED TO JOIN TWO TUBES OF DIFFERENT SIZES. EXCLUDES:BUSHING (AS MODIFIED).]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730017063354 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

END ITEM IDENTIFICATION: (AGAV) B-21
CONNECTION TYPE: (AWLS) THREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLE: (AHNC) FLARED (TUBE) ALL ENDS
END ITEM IDENTIFICATION: (AGAV) SPECIAL, AIR VEHICLE, AIRCRAFT
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) AMS-QQ-A-225/9 NATIONAL STD SINGLE MATERIAL RESPONSE OR AMS4124 NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: (MATT) ALUMINUM ALLOY 7075 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCY: (CXCY) FITTING, REDUCER, FLARED
MAXIMUM OPERATING PRESSURE: (CQGM) 1500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED: (MEDA) FLUID SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: (CWFD) 0.375 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: (CWFD) 0.500 INCHES 1ST END
NOMINAL OVERALL LENGTH: (CWFR) 1.531 INCHES
NOMINAL THREAD SIZE: (CQJX) 0.5625 INCHES 2ND END
NOMINAL THREAD SIZE: (CQJX) 0.7500 INCHES 1ST END
REDUCER TYPE: (ACSP) CONCENTRIC
SEAT ANGLE: (CQRB) 37.0 DEGREES ALL ENDS
STYLE DESIGNATOR: (STYL) FLARED W/ CENTER WRENCHING FACILITY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: (STDC) MIL-DTL-83488, CLASS 3, TYPE II; MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT: (SFTT) ALUMINUM OVERALL
THREAD CLASS: (AAJD) 3A ALL ENDS
THREAD QUANTITY PER INCH: (CMLP) 16 1ST END
THREAD QUANTITY PER INCH: (CMLP) 18 2ND END
THREAD SERIES DESIGNATOR: (THSD) UNJF ALL ENDS