Product Details | TUBE FITTING LOCKNUT

4730-01-376-2938 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: T2189100AW, T2189-100AW , 7D0202, 7D0202D16B, 4730-01-376-2938, 01-376-2938, 4730013762938, 013762938

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

Supply Group (FSG) NSN Assign. NIIN
47 29 MAY 1993 01-376-2938

Drawings & Photos | NSN 4730-01-376-2938


Cross Reference | NSN 4730-01-376-2938

Part Number Cage Code Manufacturer
7D0202 88277 BOEING COMPANY, THE DBA BOEING
7D0202D16B 88277 BOEING COMPANY, THE DBA BOEING
T2189-100AW 00624 EATON CORPORATION DBA AEROSPACE DIV
T2189-100AW 08118 EATON AVIATION CORPORATION

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Technical Data | NSN 4730-01-376-2938

Characteristic Specifications
THREAD SERIES ACME
NOMINAL THREAD SIZE 1.428 INCHES
THREAD QUANTITY PER INCH 16
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
MATERIAL ALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT ANODIZE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625,TYPE II,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT STYLE A391 TUBE FITTING LOCKNUT
NUT HEIGHT 0.310 INCHES NOMINAL
WIDTH ACROSS FLATS 1.750 INCHES NOMINAL
PACKING RECESS DIAMETER ANY ACCEPTABLE
PACKING RECESS DEPTH ANY ACCEPTABLE
NOMINAL TUBE OUTSIDE DIAMETER 1.000 INCHES

Restrictions/Controls & Freight Information | NSN 4730-01-376-2938

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:AItem does not contain precious metal
Criticality Code:NThe item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input).
Category Code Description
No Freight Information

Management | NSN 4730-01-376-2938

Category Code Description
Materiel Management Aggregation CodeBATB:C-17 PROGRAM
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.
Budget CodeS 1557X3010:Aircraft Replenishment Spares
Source of SupplyF77Boeing Military Transportation Aircraft
Los Angeles, CA 90307-3044
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative