Product Details | TUBE COUPLING NUT

4730-01-377-4265 An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes NUT (1), TUBE COUPLING, REDUCING; and NUT (1), UNION.

Part Alternates: S4922481, S492248124, S4922481-24, 4730-01-377-4265, 01-377-4265, 4730013774265, 013774265

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

Supply Group (FSG) NSN Assign. NIIN
47 15 JUL 1993 01-377-4265

Drawings & Photos | NSN 4730-01-377-4265


Cross Reference | NSN 4730-01-377-4265

Part Number Cage Code Manufacturer
S4922481 88277 BOEING COMPANY, THE DBA BOEING
S4922481-24 88277 BOEING COMPANY, THE DBA BOEING

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Technical Data | NSN 4730-01-377-4265

Characteristic Specifications
THREAD SERIES UN
NOMINAL THREAD SIZE 1.875 INCHES
THREAD QUANTITY PER INCH 12
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP 431 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NUT STYLE A355 TUBE COUPLING
NUT HEIGHT 1.250 INCHES NOMINAL
LARGEST OUTSIDE DIAMETER 1.984 INCHES NOMINAL
WIDTH ACROSS FLATS 1.625 INCHES NOMINAL
LENGTH TO SHOULDER 0.681 INCHES NOMINAL
SMALLEST INSIDE DIAMETER 1.520 INCHES NOMINAL
SEAT ANGLE 33.0 DEGREES NOMINAL
FABRICATION METHOD MACHINED
LUBRICATION DRY FILM LUBRICANT
NOMINAL TUBE OUTSIDE DIAMETER 1.500 INCHES

Restrictions/Controls & Freight Information | NSN 4730-01-377-4265

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: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
No Freight Information

Management | NSN 4730-01-377-4265

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