Product Details | PACKING NUT

4730-01-057-7391 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.20210150024Guns, 75mm Through 125mm47300051Hose, Pipe, Tube, Lubrication, and Railing Fittings

Part Alternates: 640-517-2119022, 6405172119022PC8, 640-517-2119022PC8, 7665531X1PC8, 76655-31X1PC8, 4730-01-057-7391, 01-057-7391, 4730010577391, 6405172119022, 010577391

Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings

Supply Group (FSG) NSN Assign. NIIN
47 18 MAR 1978 01-057-7391

Drawings & Photos | NSN 4730-01-057-7391


Demand History | NSN 4730-01-057-7391

Part Number Request Date QTY Origin
4730-01-057-7391 2019-07-199 33 DIBBS
4730-01-057-7391 2015-02-47 17 DIBBS
4730-01-057-7391 2013-01-15 2 DIBBS
4730-01-057-7391 2011-05-131 2 DIBBS
4730-01-057-7391 2010-11-330 2 DIBBS

Cross Reference | NSN 4730-01-057-7391

Part Number Cage Code Manufacturer
640-517-2119022 53711 NAVAL SEA SYSTEMS COMMAND
640-517-2119022PC8 53711 NAVAL SEA SYSTEMS COMMAND
76655-31X1PC8 90699 UNIMASCO INC

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Technical Data | NSN 4730-01-057-7391

Characteristic Specifications
MATERIAL BRASS, QQ-B-637, ALLOY 464, 1/2H
STRENGTH RATING NOT RATED
MATERIAL HARDNESS RATING NOT RATED
CASEHARDENING INDICATOR NOT CASEHARDENED
STYLE DESIGNATOR C7 HEXAGON, INTERNAL THREAD, SHOULDERED
OVERALL LENGTH 0.875 INCHES NOMINAL
WIDTH ACROSS FLATS 2.750 INCHES NOMINAL
LENGTH TO SHOULDER 0.688 INCHES NOMINAL
SMALLEST INSIDE DIAMETER 1.797 INCHES NOMINAL
THREAD SIZE 2.312-12
SCREW THREAD SERIES DESIGNATOR UNS
THREAD CLASS 3B
THREAD LENGTH 0.500 INCHES NOMINAL
THREAD DIRECTION RIGHT-HAND
SCREW THREAD LOCATION INTERNAL

Restrictions/Controls & Freight Information | NSN 4730-01-057-7391

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 573 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity 2 Arms/Weapons (all types including Inert Component Parts). When a 2 is indicated in the first position, then the special handling code must be determined from table 85 , part 1.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4730-01-057-7391

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each