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NSN 4730-00-874-5561, 4730008745561
PACKING NUT

Federal Supply Classification
FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number
NIIN 008745561
Codification Country
United States
Item Name Code
INC 18028
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 4730-00-874-5561

National Stock Number (NSN) 4730-00-874-5561, or NIIN 008745561, (packing nut) was assigned January 1, 1960 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 01, 2020, this NSN's acquisition method was noted as: Not established. Not established.

This NSN is assigned to Item Name Code (INC) 18028. [AN ITEM HAVING INTERNAL AND/OR EXTERNAL MACHINE THREAD(S) (THREADS OTHER THAN PIPE OR HOSE SERIES), SPECIFICALLY DESIGNED TO RETAIN, BY MEANS OR GROOVE(S), SHOULDER(S), AND THE LIKE, PACKING AND/OR A PACKING GLAND WITHIN A STUFFING BOX. SEE ALSO BUSHING, MACHINE THREAD; INVERTED NUT, TUBE COUPLING; AND NUT, TUBE COUPLING. EXCLUDES:PACKING NUT, STUFFING TUBE; AND USE WITH ELECTRICAL CABLE, AND LOCKNUT, PIPE.]. 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 4730008745561 contains an unknown precious metal.

This information was last updated on .


Technical Characteristics

THREAD SIZE
(ABUJ) 3-15/16IN-12
SCREW THREAD LOCATION
(BBMM) INTERNAL
CASEHARDENING INDICATOR
(AASG) NOT CASEHARDENED
HOLE DIAMETER
(AAUB) 0.375 INCHES NOMINAL
HOLE OR SLOT QUANTITY
(ABKT) 4
OVERALL LENGTH
(ABHP) 1.875 INCHES NOMINAL
MAJOR UNTHREADED OUTSIDE DIAMETER
(CFQG) 3.937 INCHES NOMINAL
MATERIAL
(MATT) STEEL COMP 1117
SMALLEST INSIDE DIAMETER
(BSPX) 2.031 INCHES NOMINAL
SCREW THREAD LOCATION
(BBMM) EXTERNAL AND INTERNAL
SCREW THREAD SERIES DESIGNATOR
(AJYP) UNS AND UN
SEAT ANGLE IN DEG
(AJFY) 45.0
THREAD SIZE
(ABUJ) 3-15/16IN-12 AND 2-5/8IN-12
STYLE DESIGNATOR
(STYL) ROUND, EXTERNAL THREAD, INVERTED FLARE
THREAD CLASS
(AAJD) 3A AND 2B
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 0.437 INCHES NOMINAL AND 0.500 INCHES NOMINAL
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
SCREW THREAD SERIES DESIGNATOR
(AJYP) UN
SCREW THREAD SERIES DESIGNATOR
(AJYP) UNS
MATERIAL HARDNESS RATING
(ALME) NOT RATED
THREAD CLASS
(AAJD) 2B
THREAD CLASS
(AAJD) 3A
THREAD DIRECTION
(AAJF) RIGHT-HANDRIGHT-HAND
SCREW THREAD LOCATION
(BBMM) EXTERNAL
THREAD LENGTH
(AASA) 0.500 INCHES NOMINAL ERR-100
THREAD SIZE
(ABUJ) 2-5/8IN-12
STRENGTH RATING
(AWQD) NOT RATED
THREAD DIRECTION
(AAJF) RIGHT-HAND AND RIGHT-HAND
MATERIAL
(MATL) STEEL, FED STD 66, COMP 1117

Manufacturer Part Numbers


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