National Stock number : 4730-00-277-2458
Boss Elbow
| Available Quantity | 3,052 |
| Available Conditions | NE NS SV OH AR |
| Classification | Hose, Pipe, Tube, Lubrication and Railing Fittings - FSC 4730 |
| Stock Check Date | 02/19/2026 |
Part-Number.info Quality System
- ISO 9001:2015 + AS9120B Certifed
- Audited supply chain
- Counterfeit Parts Prevention
- 100% Product Inspections
- 7 Year Record Retention
- HAZMAT Certified
- ITAR and DDTC Registered
Product Properties
Description
Boss Elbow
Thread Class
3b all ends
Maximum Operating Temp
225.0 deg fahrenheit 1st response
End Item Identification
hawk missile MIM-23 and sikorsky cargo transport helicoper CH-54A, CH-54B
Connection Style
gasket seal (boss) all ends
Leg Length
1.000in. 2nd end
Connection Type
threaded internal boss all ends
Nominal Thread Size
0.750in. all ends ⁓3/4"
Flow Angle
90.0 degrees
Material
aluminum alloy 2014 or aluminum alloy 2024
Material Document And Classification
QQ-A-225/4, T6 fed spec 1st material response or QQ-A-225/6, T6 fed spec 2nd material response
Media For Which Designed
oxygen, gaseous 2nd response
Surface Treatment
anodize
Surface Treatment Document And Classification
MIL-A-8625, ty 2, cl 2 mil spec single treatment response
Thread Series Designator
unjf all ends
