MS21916D10-8 Boss Reducer
4730-00-640-5858
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Official Item Classification
- Name
- Boss Reducer
- Part Number
- MS21916D10-8
- (NSN) National Stock Number
- 4730-00-640-5858
- (FSG) Federal Supply Group
- 47 Pipe, Tubing, Hose, And Fittings
- (FSC) Federal Supply Classification
- 4730 Hose, Pipe, Tube, Lubrication and Railing Fittings
- (INC) Item Name Code
- 23541
- (FIIG) Federal Item Identification Guide
- A080B0
- Date
- 01/01/1961 (65 years ago)
used on boeing vertol cargo transport helicopter, model ch-47,chinook end item identification, threaded external boss all ends connection type, external seat for gasket seal (boss) all ends connection style, concentric reducer type, 3a all ends thread class
Specs & Compatibility
3a all ends
concentric
used on boeing vertol cargo transport helicopter, model ch-47,chinook
external seat for gasket seal (boss) all ends
threaded external boss all ends
0.750 inches 2nd end
0.875 inches 1st end
feat
1.531 inches
weapon system essential
aluminum alloy 2024 overall
qq-a-225/6,t6 fed spec single material response overall
anodize overall
mil-a-8625 mil spec single treatment response overall
unjf all ends
96906-ms21916 government standard
Replacement For
| Part Number | Description | |
|---|---|---|
| 4730-00-289-2775 | No Name Available | 01/01/1963 |
| 4730-00-555-1687 | No Name Available | 11/17/1971 |
Regulatory Compliance
Item does not contain precious metal.
The item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restrictions or application.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
0023541
Related Hardware Products
| Part Number | Description |
|---|---|
| 3117145 | Boss Reducer |
| ER919D10-8 | Boss Reducer |
| MS21916D10-8 | Boss Reducer |