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4730-01-643-9427
Boss Reducer
4730016439427 016439427 MS21916K10-8
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). View more Boss Reducer
January 2023
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Restrictions 4730-01-643-9427
4730-01-643-9427 is a Boss Reducer that does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Demilitarization of this item has been confirmed and is not currently subject to changes. This item is considered a low risk when released from the control of the Department of Defense. The item may still be subject to the requirements of the Export Administration Regulations (EAR) and the Code of Federal Regulations (CFR). This item is not suspected to be hazardous. This item does not contain a precious metal.
End Users 4730-01-643-9427
- Brazil (YA01)
- Effective Date:
- 1 Apr 2015
- Australia (ZA01)
- Effective Date:
- 1 Mar 2017
Approved Sources 4730-01-643-9427
- Part Number
- Manufacturer
- Status
- MS21916K10-8
- Manufacturer
- 2N935 - Boeing Distribution Services X, Inc. (Active)
- Primary Buy
- Primary Buy
Datasheet 4730-01-643-9427
- Characteristic
- Specifications
- FIIG
- Specifications
- A080B0
- Connection Style [AHNC]
- External Seat For Gasket Seal (Boss) All Ends
- Connection Type [AWLS]
- Threaded External Boss All Ends
- Material [MATT]
- Steel Comp 316 Overall
- Nominal Overall Length [CWFR]
- 1.531 Inches
- Nominal Thread Size [CQJX]
- 0.750 Inches 2Nd End
- Nominal Thread Size [CQJX]
- 0.875 Inches 1St End
- Reducer Type [ACSP]
- Concentric
- Thread Class [AAJD]
- 3A All Ends
- Thread Series Designator [THSD]
- Unjf All Ends
- Specification/Standard Data [ZZZK]
- 96906-Ms21916 Government Standard And 81343-Sae-As21916 Professional/Industrial Association Standard
- Style Designator [STYL]
- Threaded
NATO Stock Numbers Related to 4730-01-643-9427
Freight Information 4730-01-643-9427
4730-01-643-9427 has freight characteristics.. 4730-01-643-9427 has a variance between NMFC and UFC when transported by rail and the description should be consulted.