fittings › straight pipe to hose adapters
AN840-4D
AN Fitting AN840-4D
Description
Adapter
Specifications
| Connection Style | Beaded (hose) 2nd end, Plain (pipe) 1st end |
|---|---|
| Connection Type | Pipe to Hose, Threaded external pipe 1st end, Unthreaded external hose 2nd end |
| Dimension B | 2 5/64 in |
| Dimension B Tolerance | +1/32 in |
| Dimension C | 0.437 in |
| Dimension L | 25/64 in |
| End Application | Aircraft application |
| Hose Inside Diameter | 1/4 in |
| Industry Standards/Certification | AN840 |
| Material | Aluminum |
| Material Specification | T6 federal specification single material response t6 federal specification single material response and qq-a-255/6 comp 2014 qq-a-367 |
| Media For Which Designed | Hydraulic fluid single response |
| NIIN | 00-187-0861 |
| NSN | 4730-00-187-0861 |
| Nominallength | 2.078 |
| Pipe Thread Size (ANPT) | 1/8 |
| Size No. Alum | 4D |
| Size No. Brass | 4 |
| Surface Treatment | Anodize |
| Surface Treatment Specification | Mil-a-8625 military specification single treatment response |
| Thread Series Designator | Anpt 1st end |
| Thread Size | 0.125 inches 1st end, 1/8 |
| Thread Type | Aeronautical National Pipe Thread |
| Tube I.D. | 1/4 |
| Weight | 0.012 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 AN840-4D. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error