Product Details | BOSS REDUCER

4730-00-817-8316 A straight fitting having a boss connection of a different size at each end. Both connections have external or internal machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. Excludes BUSHING (as modified).

Part Alternates: MS219161612C, MS21916-16-12C, MS21916J1612, MS21916J16-12, MS21916J161I, MS21916J16-1I, AS18280, AS21916, AS21916J1612, AS21916J16-12, 4730-00-817-8316, 00-817-8316, 4730008178316, 008178316

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

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1963 00-817-8316

Drawings & Photos | NSN 4730-00-817-8316


Demand History | NSN 4730-00-817-8316

Part Number Request Date QTY Origin
MS21916J1612 2021-12-340 1 US
MS21916J1612 2018-11-311 4 United States
MS21916J1612 2018-11-310 4 United States
MS21916J1612 2018-03-74 6 United States
MS21916J1612 2018-03-72 6 US
4730-00-817-8316 2017-12-339 601 DIBBS
4730-00-817-8316 2017-09-261 114 DIBBS
AS21916J1612 2016-09-245 4 United States
MS21916J1612 2016-08-244 4 United States
AS21916J1612 2016-03-77 1 United States
AS18280 2014-10-280 1 US
MS21916J1612 2014-09-269 1 United States
AS21916J1612 2014-08-213 2 United States
MS21916J1612 2014-06-171 5 United States
AS21916J1612 2014-06-170 1 United States
MS21916J1612 2014-06-170 1 United States
MS21916J1612 2013-06-155 2 United States
4730-00-817-8316 2013-02-50 127 DIBBS
4730-00-817-8316 2013-02-48 127 DIBBS
4730-00-817-8316 2010-03-61 178 DIBBS

Cross Reference | NSN 4730-00-817-8316

Part Number Cage Code Manufacturer
AS18280 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS21916 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS21916J16-12 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS21916-16-12C 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
MS21916J16-12 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS21916J16-12 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
MS21916J16-1I 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 4730-00-817-8316

Characteristic Specifications
MATERIAL STEEL COMP 304 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE MIL-F-14072,E300,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
CONNECTION TYPE THREADED EXTERNAL BOSS ALL ENDS
CONNECTION STYLE B71A EXTERNAL SEAT FOR GASKET SEAL ALL ENDS
THREAD SERIES DESIGNATOR UNJ ALL ENDS
NOMINAL THREAD SIZE 1.312 INCHES 1ST END 1.062 INCHES 2ND END
THREAD QUANTITY PER INCH 12 ALL ENDS
THREAD CLASS 3A ALL ENDS
NOMINAL OVERALL LENGTH 1.750 INCHES
REDUCER TYPE CONCENTRIC
SPECIFICATION/STANDARD DATA 96906-MS21916 GOVERNMENT STANDARD

Restrictions/Controls & Freight Information | NSN 4730-00-817-8316

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 197337 WHEELS COG/GEAR/PINION/SPROCK
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 593 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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