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NSN 4730-00-142-1581, 4730001421581
INVERTED NUT,TUBE COUPLING

Federal Supply Classification
FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number
NIIN 001421581
Codification Country
United States
Item Name Code
INC 03857
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.
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DLMS® Summary

National Stock Number 4730-00-142-1581

National Stock Number (NSN) 4730-00-142-1581, or NIIN 001421581, (inverted nut,tube coupling) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

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

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 09, 2014, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 03857. [AN EXTERNALLY THREADED FASTENING DEVICE WHICH HAS AN INTERNAL OR EXTERNAL SEAT, DESIGNED TO MATE WITH THE SEAT OF AN INTERNALLY THREADED TUBE FITTING FOR THE PURPOSE OF SECURING THE TUBE TO THE FITTING TO FORM A LEAKPROOF CONNECTION.]. 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 4730001421581 contains an unknown precious metal.

This information was last updated on .


Technical Characteristics

FABRICATION METHOD
(AARN) ANY ACCEPTABLE
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
MATERIAL
(MATL) ALUMINUM ALLOY
SURFACE TREATMENT
(SURF) ANODIZED
CASEHARDENING INDICATOR
(AASG) NOT CASEHARDENED
OVERALL LENGTH
(ABHP) 0.750 INCHES NOMINAL
MATERIAL
(MATT) ALUMINUM ALLOY
SCREW THREAD SERIES DESIGNATOR
(AJYP) UN
SEAT ANGLE IN DEG
(AJFY) 33.0
SMALLEST INSIDE DIAMETER
(BSPX) 1.260 INCHES NOMINAL
THREAD CLASS
(AAJD) 3B
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD SIZE
(ABUJ) 1-5/8-12
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED
(ACSV) 1.250 INCHES NOMINAL
WIDTH ACROSS FLATS
(ASDB) 1.750 INCHES NOMINAL
STYLE DESIGNATOR
(STYL) INVERTED NUT, TUBE, FLARE
SURFACE TREATMENT
(SFTT) ANODIZE
UNABLE TO DECODE
(SURF) UNABLE TO DECODE

Manufacturer Part Numbers

417720H

RNCC
C
RNVC
1
417720H

ISC
2
RNCC
5
RNVC
9
NAS59120H

RNCC
5
RNVC
1
NAS59120H

RNCC
3
RNVC
2
NAS597

RNCC
3
RNVC
1

Related Inventory

NAS591-20H
COUPLING-RIGID
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NAS597
4730004890303
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NUT
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