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NSN 4730-00-074-9642, 4730000749642
NUT,TUBE COUPLING

Federal Supply Classification
FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number
NIIN 000749642
Codification Country
United States
Item Name Code
INC 03859
Criticality
(Y) This item does not have a nuclear hardened feature but does have other critical feature(s) 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

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DLMS® Summary

National Stock Number 4730-00-074-9642

National Stock Number (NSN) 4730-00-074-9642, or NIIN 000749642, (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 is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Mar 06, 2019. There have been 4 contracts issued for this part number, with 4 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M319P2825, SPE7M319P2825, SPE7M318P1818, SPE7M317P2815, SPE7M317P2815. The total value of the awarded contracts has been US$ 34,951.20.

This NSN is somewhat common among different platforms, belonging to 7 different weapons systems.

There has been a small amount of 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 Sep 19, 2018, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 03859. [AN INTERNALLY THREADED NUT WHICH HAS EITHER AN INTERNAL SEAT OR SHOULDER AND/OR IS DESIGNED TO BE USED WITH A FERRULE, TO MATE WITH THE SEAT OF AN EXTERNALLY THREADED TUBE FITTING TO FORM A LEAKPROOF CONNECTION. EXCLUDES:NUT (1), TUBE COUPLING, REDUCING; AND NUT (1), UNION.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 4730000749642 contains silver.

This NSN is associated to Schedule B 7318160000: nuts of iron or steel. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.

This information was last updated on .


Technical Characteristics

III END ITEM IDENTIFICATION
(AGAV) AIRCRAFT APPLICATION
END ITEM IDENTIFICATION
(AGAV) AIRCRAFT APPLICATION
CRITICALITY CODE JUSTIFICATION
(CRTL) FEAT
NOMINAL TUBE OUTSIDE DIAMETER
(CQRJ) 0.750 INCHES
NOMINAL THREAD SIZE
(CQJX) 1.187 INCHES
NUT STYLE
(ACTA) TUBE COUPLING
NUT HEIGHT
(ADEA) 1.190 INCHES MINIMUM AND 1.210 INCHES MAXIMUM
LENGTH TO SHOULDER
(BRQL) 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 5646 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) STEEL COMP 347 OVERALL
SEAT ANGLE
(CRRB) 45.00 DEGREES NOMINAL
SMALLEST INSIDE DIAMETER
(BSPX) 0.887 INCHES MINIMUM AND 0.893 INCHES MAXIMUM
SPECIAL FEATURES
(FEAT) UNDERCUT AT END OF INTERNAL THD 0.115 IN. MIN/0.135 IN. MAX W,1.188 IN. MIN/1.217 IN. MAX DIA,TWO LOCKWIRE HOLES 0.065 IN. MIN/0.075 IN. MAX DIA DRILLED THRU OPPOSITE CORNER OF HEX
THREAD CLASS
(AAJD) 3B
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD SERIES
(BZRR) UN
THREAD QUANTITY PER INCH
(CMLP) 12
WIDTH ACROSS FLATS
(ASDB) 1.364 INCHES MINIMUM AND 1.377 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) AMS 241 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) SILVER OVERALL
FABRICATION METHOD
(AARN) ANY ACCEPTABLE

Manufacturer Part Numbers

475124

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5
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9
475124

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RNVC
9
475124

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5
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475124

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3
RNVC
2
475124

RNCC
5
RNVC
2

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