Product Details | PACKING NUT

4730-00-774-4897 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: 301873, 7744897, 4730-00-774-4897, 00-774-4897, 4730007744897, 007744897

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

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1962 00-774-4897

Drawings & Photos | NSN 4730-00-774-4897


Cross Reference | NSN 4730-00-774-4897

Part Number Cage Code Manufacturer
301873 02978 L-3 COMMUNICATIONS CORPORATION DBA COMBAT PROPULSION SYSTEMS
7744897 02978 L-3 COMMUNICATIONS CORPORATION DBA COMBAT PROPULSION SYSTEMS
7744897 14351 TELEDYNE CONTINENTAL MOTORS INDUSTRIAL PRODUCTS DIV
7744897 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
7744897 66776 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS

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Technical Data | NSN 4730-00-774-4897

Characteristic Specifications
MATERIAL STEEL, QQ-S-637, COMP B1112
SURFACE TREATMENT CADMIUM, QQ-P-416, TYPE 1, CLASS 3
STRENGTH RATING NOT RATED
MATERIAL HARDNESS RATING NOT RATED
CASEHARDENING INDICATOR NOT CASEHARDENED
STYLE DESIGNATOR C23 HEXAGON, INTERNAL THREAD, SHOULDERED
OVERALL LENGTH 0.660 INCHES NOMINAL
LARGEST INSIDE DIAMETER 1.807 INCHES MINIMUM AND 1.814 INCHES MAXIMUM
SMALLEST OUTSIDE DIAMETER 1.980 INCHES NOMINAL
WIDTH ACROSS FLATS 2.000 INCHES NOMINAL
LENGTH TO SHOULDER 0.440 INCHES NOMINAL
SMALLEST INSIDE DIAMETER 1.530 INCHES NOMINAL
MAJOR UNTHREADED OUTSIDE DIAMETER 1.980 INCHES NOMINAL
THREAD SIZE 1-7/8IN-16
SCREW THREAD SERIES DESIGNATOR UN
THREAD CLASS 3B
THREAD LENGTH 0.360 INCHES NOMINAL
THREAD DIRECTION RIGHT-HAND
SCREW THREAD LOCATION INTERNAL
SPECIAL FEATURES 80 MICROINCHES RMS ON TUBE SEAT,130 MICROINCHES RMS OVERALL EXCEPT HEX

Restrictions/Controls & Freight Information | NSN 4730-00-774-4897

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 XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 4730-00-774-4897

Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code5Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
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 CodesXSEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each