Product Details | TUBE FITTING LOCKNUT

4730-00-455-2128 An item with internal machine threads designed to fit the external machine threads of a tube fitting. It has flat faces, one of which has a counterbored recess to accommodate packing, packing or sealing ring(s), gasket(s), and the like. The item, when installed, provides a method of locking and sealing the connection. See also LOCKNUT, PIPE; NUT (1), TUBE COUPLING and NUT (1), PLAIN, HEXAGON.

Part Alternates: 354181, 4730-00-455-2128, 00-455-2128, 4730004552128, 004552128

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

Supply Group (FSG) NSN Assign. NIIN
47 23 APR 1969 00-455-2128

Drawings & Photos | NSN 4730-00-455-2128


Demand History | NSN 4730-00-455-2128

Part Number Request Date QTY Origin
354181 2026-02-36 20 DIBBS
354181 2026-01-08 196 DIBBS
354181 2024-10-284 110 DIBBS
354181 2023-12-356 99 DIBBS
354181 2023-11-332 99 DIBBS
354181 2021-02-56 290 DIBBS
354181 2021-01-06 100 DIBBS
354181 2020-11-328 225 DIBBS
354181 2020-11-317 225 DIBBS
4730-00-455-2128 2018-01-29 369 DIBBS
4730-00-455-2128 2018-01-21 369 DIBBS
4730-00-455-2128 2017-07-211 248 DIBBS
4730-00-455-2128 2017-04-94 42 DIBBS
4730-00-455-2128 2017-02-38 57 DIBBS
4730-00-455-2128 2014-12-345 366 DIBBS
4730-00-455-2128 2014-12-337 366 DIBBS
4730-00-455-2128 2014-05-148 138 DIBBS
4730-00-455-2128 2014-05-140 138 DIBBS
4730-00-455-2128 2011-11-307 107 DIBBS
4730-00-455-2128 2011-07-194 15 DIBBS
4730-00-455-2128 2011-06-173 16 DIBBS
4730-00-455-2128 2011-05-122 15 DIBBS

Cross Reference | NSN 4730-00-455-2128

Part Number Cage Code Manufacturer
354181 62983 EATON AEROSPACE LLC

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Technical Data | NSN 4730-00-455-2128

Characteristic Specifications
THREAD SERIES UN
NOMINAL THREAD SIZE 1.063 INCHES
THREAD QUANTITY PER INCH 12
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT STYLE A391 TUBE FITTING LOCKNUT
NUT HEIGHT 0.437 INCHES NOMINAL
WIDTH ACROSS FLATS 1.375 INCHES NOMINAL
PACKING RECESS DIAMETER 1.290 INCHES MINIMUM AND 1.300 INCHES MAXIMUM
PACKING RECESS DEPTH 0.049 INCHES MINIMUM AND 0.059 INCHES MAXIMUM
NOMINAL TUBE OUTSIDE DIAMETER 0.750 INCHES

Restrictions/Controls & Freight Information | NSN 4730-00-455-2128

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 052190 PIPE,TUBING,OR PIPE OR TUBING FITTI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 576 unknown
Originating Activity Code KE Naval ICP
Philadelphia, PA 19111
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 4730-00-455-2128

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALC
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each