Product Details | HOSE TO BOSS STRAIGHT ADAPTER

4730-00-257-4503 An adapter having standard hose threads on one end, an incomplete part of a threaded end connection that grips the hose directly, or an unthreaded end designed to accommodate a hose. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It is designed to join a hose or hose fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also COUPLING, HOSE and CONNECTOR, HOSE, BULKHEAD. Excludes items having flanged ends.

Part Alternates: MILH24135, MILH24135L1, 472514-3/8-12, 472514-3-8 12L1, 4725143812, 4725143812L1, 4730-00-257-4503, 00-257-4503, 4730002574503, 002574503

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

Supply Group (FSG) NSN Assign. NIIN
47 00-257-4503

Request a Quote

What Our Customers Say

Compare

NSNs for Compare ( up to 4 ): Add 4730-00-257-4503

Technical Data | NSN 4730-00-257-4503

Characteristic Specifications
MATERIAL NICKEL ALLOY A OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CONNECTION TYPE THREADED EXTERNAL HOSE GRIPPING 1ST END THREADED EXTERNAL HOSE 2ND END
CONNECTION STYLE B61 GRIPPING NIPPLE 1ST END B70C GASKET SEAL 2ND END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED 0.758 INCHES 1ST END
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED 1.234 INCHES 1ST END
THREAD SERIES DESIGNATOR UNF 2ND END
NOMINAL THREAD SIZE 1.250 INCHES 2ND END
THREAD CLASS 3A 2ND END
NOMINAL OVERALL LENGTH 3.750 INCHES
FURNISHED ITEMS AND QUANTITY 1 HOSE COUPLING NUT
NONDEFINITIVE SPEC/STD DATA B TYPE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
CRITICALITY CODE JUSTIFICATION ZZZY
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MILH24135
MANUFACTURERS CODE 01276
DESIGN CONTROL REFERENCE 472514-3/8-12

Restrictions/Controls & Freight Information | NSN 4730-00-257-4503

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Category Code Description
No Freight Information