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AN815-8J
Aeronautical Standard Boss Nipple
Description
Boss Nipple
Specifications
| Alternate Item Number | AS5174J0808 |
|---|---|
| Alternate Part Number | AS5174J0808 |
| Connection Style | Flared w/ gasket seal (boss) all ends |
| Connection Type | Flare, Threaded external tube all ends |
| Dimension M | 1.375 in |
| Head Angle | 37 º |
| Industry Standards/Certification | AN815 |
| Material | CRES |
| Material Specification | 66 federal standard single material response |
| NIIN | 00-618-7399 |
| NSN | 4730-00-618-7399 |
| Nominallength | 1.288 |
| Outside Diameter Tube Accommodated | 0.500 inches all ends |
| Part Name Assigned By Controlling Agency | Flared tube union |
| Reference E | 0.813 in |
| Seat Angle | 37.0 degrees all ends |
| Special Features | Drilled in center hex section; center wrenching facility suitable for gasket application 0.0625 in.dia three holes |
| Style Designator | Flared w/ center wrenching facility |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Mil-s-5002 military specification single treatment response inside, Type 2 military specification single treatment response outside e300 mil-f-14072 |
| Thread Class | 3a all ends |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) all ends |
| Thread Size | 0.750 inches all ends |
| Thread Size (Reference) | 9/16-18 |
| Tube Outside Diameter | 3/8 in |
| Weight | .005 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for AN815-8J — functionally equivalent.
- AS5174J0808 Listed alternate 3/4 in · CRES
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Catalog data updated 2026-07-05. Report a data error