Upper Barrel & Operating Head
AssemblyTop section housing the operating mechanism: the bonnet caps the barrel and carries the operating nut, stem bearing, oil reservoir and hold-down nut. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Upper Barrel & Operating Head parts and their functions
9 top-level parts · 9 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Bonnet / Top Cap | 1× | Top dome / cap |
| 2 | Weather Cap | 1× | Operating-nut weather shield |
| 3 | Operating Nut | 1× | Pentagon actuation nut |
| 4 | Upper Operating Stem | 1× | Upper drive stem |
| 5 | Thrust Collar / Bearing | 1× | Thrust collar / bearing |
| 6 | Oil Reservoir | 1× | Lubrication chamber |
| 7 | Hold-Down Nut | 1× | Stem hold-down nut |
| 8 | O-Ring Set | 1× | Bonnet & stem seals |
| 9 | Fastener Set | 1× | Bonnet bolting |
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Bill of materials for Upper Barrel & Operating Head
9 top-level lines · 9 rows shown · 9 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Bonnet / Top Cap | fire-hydrant-bonnet | 1× | 1 | · | part |
| 2 | Weather Cap | fire-hydrant-weather-cap | 1× | 1 | · | part |
| 3 | Operating Nut | fire-hydrant-operating-nut | 1× | 1 | · | part |
| 4 | Upper Operating Stem | fire-hydrant-operating-stem-upper | 1× | 1 | · | part |
| 5 | Thrust Collar / Bearing | fire-hydrant-thrust-collar | 1× | 1 | · | part |
| 6 | Oil Reservoir | fire-hydrant-oil-reservoir | 1× | 1 | · | part |
| 7 | Hold-Down Nut | fire-hydrant-hold-down-nut | 1× | 1 | · | part |
| 8 | O-Ring Set | oring-set | 1× | 1 | · | part |
| 9 | Fastener Set | fastener-set | 1× | 1 | · | part |
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Where the upper barrel & operating head is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳Foxconn
foxconn.com ↗
|
Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| flex.com ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| dixoninfo.com ↗ | Noida, IN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| bydelectronic.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |