4730-00-057-4554
Find complete technical information, availability, and procurement data for: 4730-00-057-4554
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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).
3a 2nd end thread class, concentric reducer type, external seat for gasket seal (boss) 2nd end connection style, 3b 1st end thread class, aircraft, stratofortress b-52 end item identification
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3a 2nd end
- Thread Class
- 3b 1st end
- Reducer Type
- concentric
- End Item Identification
- aircraft, stratofortress b-52
- Connection Style
- external seat for gasket seal (boss) 2nd end
- Connection Style
- gasket seal (boss) 1st end
- Connection Type
- threaded external boss 2nd end
- Connection Type
- threaded internal boss 1st end
- Nominal Thread Size
- 0.438 inches 1st end
- Nominal Thread Size
- 0.875 inches 2nd end
- Criticality Code Justification
- feat
- Nominal Overall Length
- 0.844 inches
- Special Features
- three 0.065 in.min,0.075 in.max dia holes drilled through hex corners,0.156 in. from first end;weapon system essential
- Material
- aluminum alloy overall
- Surface Treatment
- anodize overall
- Surface Treatment Document And Classification
- mil-a-8625,ty 2 mil spec single treatment response inside
- Surface Treatment Document And Classification
- mil-a-8625,type 2 mil spec single treatment response outside
- Thread Series Designator
- unjf all ends
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 4730-00-231-1327 | No Name Available | 03/01/1978 |
| 4730-01-199-1445 | No Name Available | 02/01/2007 |
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| AN893-31D | Boss Reducer |
| AS5172D04101 | Boss Reducer |
| AS5172D0410L | Boss Reducer |
| MS24397D31 | Boss Reducer |
FAQs
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Does NSN 4730-00-057-4554 require demilitarization?
Does NSN 4730-00-057-4554 contain precious materials?
Does NSN 4730-00-057-4554 contain hazardous materials?
When the NSN 4730-00-057-4554 was assigned to the Federal Catalog?
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