fittings › boss nipples
AN815-3
Steel Union
Description
Union
Specifications
| Alternate Item Number | AS5174-0303 |
|---|---|
| Alternate Part Number | AS5174-0303 |
| Connection Style | Flared w/ gasket seal (boss) all ends |
| Connection Type | Flare, Threaded external boss all ends |
| Dimension M | 1 7/32 in |
| Head Angle | 37 º |
| Industry Standards/Certification | AN815 |
| Material | Steel |
| Material Specification | 66,aisi c1137/sae 1137,aisi/sae 1141 fed std single material response |
| NIIN | 00-187-0483 |
| NSN | 4730-00-187-0483 |
| Nominallength | 1.218 |
| Reference E | 0.625 in |
| Size No. Alum | 3D |
| Size No. SS | 3J |
| Size No. Steel | 3 |
| Specification Data | 88044-an815 government standard |
| Style Designator | Flared w/ center wrenching facility |
| Surface Treatment | Cadmium |
| Thread Class | 3a all ends |
| Thread Series Designator | Unjf all ends |
| Thread Size | 0.375 inches all ends, 3/8-24 |
| Thread Size (Reference) | 3/8-24 |
| Tube O.D. | 3/16 |
| Tube Outside Diameter | 3/16 in |
| Weight | .005 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN815-3. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error