Product Details | BOSS NIPPLE

4730-00-801-2521 A straight, one-piece fitting used to join two bosses or boss fittings. Both ends are the same size and have external machine threads (straignt threads other than pipe or hose series). It is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. The center section may be suitably shaped to accommodate a wrench.

Part Alternates: MS5185621P, MS51856-21P, MILF18866, 4730-00-801-2521, 00-801-2521, 4730008012521, 008012521

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

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1960 00-801-2521

Cross Reference | NSN 4730-00-801-2521

Part Number Cage Code Manufacturer
MILF18866 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MS51856-21P 00624 EATON CORPORATION DBA AEROSPACE DIV
MS51856-21P 22031 AIR-WAY MANUFACTURING COMPANY
MS51856-21P 30327 IMPERIAL
MS51856-21P 30780 PARKER-HANNIFIN CORPORATION DBA TUBE FITTINGS DIVISION
MS51856-21P 79470 DANA CORP WEATHERHEAD DIV
MS51856-21P 93188 L AND L MFG CO
MS51856-21P 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
MS51856-21P 98441 PARKER-HANNIFIN CORPORATION DBA STRATOFLEX PRODUCTS DIVISION
MS51856-21P 98660 LUBE DEVICES INC FLODAR FLUID POWER FITTINGS DIV

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Technical Data | NSN 4730-00-801-2521

Characteristic Specifications
MATERIAL STEEL COMP 1213 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION FED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT PHOSPHATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-P-16232,TYPE M OR Z,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MEDIA FOR WHICH DESIGNED HYDRAULIC FLUID 2ND RESPONSE
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 250.0 DEG FAHRENHEIT SINGLE RESPONSE
STYLE DESIGNATOR A66 FLARELESS W/CENTER WRENCHING FACILITY
CONNECTION TYPE THREADED EXTERNAL BOSS ALL ENDS
CONNECTION STYLE B71A EXTERNAL SEAT FOR GASKET SEAL ALL ENDS
THREAD SERIES DESIGNATOR UN 1ST END
NOMINAL THREAD SIZE 1.625 INCHES ALL ENDS
THREAD QUANTITY PER INCH 12 ALL ENDS
THREAD CLASS 2A ALL ENDS
NOMINAL OVERALL LENGTH 1.890 INCHES
FURNISHED ITEMS AND QUANTITY 2 FERRULE SLEEVE AND 2 SHORT COUPLING NUT
SPECIFICATION/STANDARD DATA 96906-MS51856 GOVERNMENT STANDARD
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MILF18866
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS51856-21P

Restrictions/Controls & Freight Information | NSN 4730-00-801-2521

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
No Freight Information

Management | NSN 4730-00-801-2521

Category Code Description
Cognizance Codes9CNavy-owned stocks of defense construction material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9CDefense Supply Center Columbus
Columbus, OH 43215
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each