# Thermowell, 1/2"NPT, 316 Stainless Steel, 7.5", 260L Series
**URL**: https://novapart.co/products/1/2-260L-U71/2-316SS/thermowell-1-2npt-316-stainless-steel-75-260l
**SKU**: 1/2-260L-U71/2-316SS
**Manufacturer**: OMEGA
**Price**: โฌ184.1900
**Stock**: 10+
**Lead Time**: 71 days (indicative)
## Specifications
| Parameter | Value |
|---|---|
| Svhc | Lead (04-Feb-2026) |
## Datasheet
๐ [Download PDF](https://novapart.co/datasheet/farnell:3907523/)
## **Series 260L Standard Threaded Well for[1] โ4" Diameter Elements**
**Application:** Standard length,[1] โ4" stem, bimetal thermometers; #20-gage thermocouple elements; unarmored liquid-in-glass test thermometers. Other temperaturesensing elements having 0.252" maximum diameter.
## **Connection Size:**
1 3 โ2, โ4 and 1 NPT are standard. Other thread sizes are available upon request.
## **Materials:**
Brass (ASTM B-16), Carbon Steel (C-1018), Stainless Steel A.I.S.I. 304 & A.I.S.I. 316, Monel[ยฎ] . Wells are also available in special materials; prices on request.
## **Cap and Chain Options:**
For Brass cap, add suffix โ **-CC-Brass** โ to the end of the model number when ordering for additional cost. For 304 SS cap, add suffix โ **-CC** โ to the end of the model number for additional cost.
## **Series 260LโLagging Extension Type**
|**To Order****_Visit omega.com/series_260l for Pricing and Details_**|**To Order****_Visit omega.com/series_260l for Pricing and Details_**|**To Order****_Visit omega.com/series_260l for Pricing and Details_**|**To Order****_Visit omega.com/series_260l for Pricing and Details_**|**To Order****_Visit omega.com/series_260l for Pricing and Details_**|**To Order****_Visit omega.com/series_260l for Pricing and Details_**|
|---|---|---|---|---|---|
|**Ext**
~~**Thread P**~~|~~**Model Numbe**~~**r**|**Stem**
**Length A**|**Insert**
**Length U**|**Lag**
**Ext T**|**Shank**
**Dia. Q**|
|~~**Thread P**~~||||||
|1โ2NPT|**1/2-260L-U21/2-(*)**
**1/2-260L-U41/2-(*)**
**1/2-260L-U71/2-(*)**
**1/2-260L-U101/2-(*)**
**1/2-260L-U131/2-(*)**
**1/2-260L-U191/2-(*)**|6
9
12
15
18
24|21โ2
41โ2
71โ2
101โ2
131โ2
191โ2|2
3
3
3
3
3|โ
5โ8
5โ8
5โ8
5โ8
5โ8|
|3โ4 NPT|**3/4-260L-U21/2-(*)**
**3/4-260L-U41/2-(*)**
**3/4-260L-U71/2-(*)**
**3/4-260L-U101/2-(*)**
**3/4-260L-U131/2-(*)**
**3/4-260L-U191/2-(*)**|6
9
12
15
18
24|21โ2
41โ2
71โ2
101โ2
131โ2
191โ2|2
3
3
3
3
3|โ
3โ4
3โ4
3โ4
3โ4
3โ4|
|1 NPT|**1-260L-U21/2-(*)**
**1-260L-U41/2-(*)**
**1-260L-U71/2-(*)**
**1-260L-U101/2-(*)**
**1-260L-U131/2-(*)**
**1-260L-U191/2-(*)**|6
9
12
15
18
24|21โ2
41โ2
71โ2
101โ2
131โ2
191โ2|2
3
3
3
3
3|โ
7โ8
7โ8
7โ8
7โ8
7โ8|
_***** Specify material type โ_ _**304SS** โ for 304 stainless steel,_ _**โ316SSโ** for 316 stainless steel,_ _**โCSโ** for carbon steel or_
_**โBRASSโ** for brass. PFA coating available._
_**Ordering Example: 3/4-260L-U71/2-304SS** , 304 stainless steel thermowell with[3] โ4 NPT external thread,_
_0.260" internal Dia., 3" lagging extension, 7[1] โ2" insertion length and a 12" stem length._
**For Assistance in Choosing Head and Well Assemblies, visit omega.com/head_and_well**
## **Maximum Fluid VelocityโFeet Per Second**
|**Well Type Material**
~~โโโS>S==S==S==~~|**e Material**
~~โโโS>S==S==S==~~|**Insertion Length โ โUโ**|**Insertion Length โ โUโ**|**Insertion Length โ โUโ**|**Insertion Length โ โUโ**|**Insertion Length โ โUโ**|**Insertion Length โ โUโ**|**Insertion Length โ โUโ**|**Insertion Length โ โUโ**|
|---|---|---|---|---|---|---|---|---|---|
|||**21โ2**
~~a~~
~~โโโS>S==S==S==~~|**41โ2**
~~SS~~
~~โโโS>S==S==S==~~|**71โ2**
~~SS~~
~~โโโS>S==S==S==~~|**101โ2 **
~~โโโS>S==S==S==~~|**131โ2 **|**161โ2 **|**191โ2 **|**221โ2**|
|1โ2"- 260S
and
1โ2"- 260L
~~โโโS>S==S==S==~~
|Brass
Carbon steel
A.I.S.I. 304 and 316 300
Monel
~~a~~
~~โโโโโ~~
~~โโโS>S==S==S==~~
~~ee~~
~~ee~~
~~ere~~|207(59.3)
~~โโโโโ~~
~~โโโS>S==S==S==~~|75.5(32.2)
~~โโโโโ~~
~~โโโS>S==S==S==~~|)27.3(19.7)13.9 8.4
~~โโโโโ~~
~~โโโS>S==S==S==~~|13.9 8.4
~~โโโโโ~~
~~โโโS>S==S==S==~~|13.9 8.4
~~โโโโโ~~|5.6
~~โโโโโ~~|4.1
~~โโโโโ~~|3.0
~~โโโโโ~~|
|||290(106)
~~โโโโโ~~
~~โโโS>S==S==S==~~
~~ee~~|105(59)
~~โโโโโ~~
~~โโโS>S==S==S==~~
~~ee~~|38.2(36.3)19.4 11.8 7.8
~~โโโโโ~~
~~โโโS>S==S==S==~~
~~ee~~|19.4 11.8 7.8
~~โโโโโ~~
~~โโโS>S==S==S==~~
~~ee~~|19.4 11.8 7.8
~~โโโโโ~~|19.4 11.8 7.8
~~โโโโโ~~
~~eee~~|5.7
~~โโโโโ~~
~~eee~~|4.2
~~โโโโโ~~
~~eee~~|
|||A.I.S.I. 304 and 316 300(148)
~~โโโS>S==S==S==~~
~~ee~~
~~ee~~|109(82.2)
~~โโโS>S==S==S==~~
~~ee~~|)
39.5
~~โโโS>S==S==S==~~
~~ee~~
~~ee~~|20.1 12.2 8.1
~~โโโS>S==S==S==~~
~~ee~~
~~ee~~|20.1 12.2 8.1|20.1 12.2 8.1
~~eee~~
~~eee~~|5.9
~~eee~~
~~eee~~|4.4
~~eee~~
~~eee~~|
|||261(118)
~~โโโS>S==S==S==~~
~~ee~~
~~ee~~
~~ere~~|95(65.5)
~~โโโS>S==S==S==~~
~~ee~~
~~ee~~|34.4
~~โโโS>S==S==S==~~
~~ee~~
~~ee~~
~~ee~~|17.5 10.5 7.1
~~โโโS>S==S==S==~~
~~ee~~
~~ee~~
|17.5 10.5 7.1
~~ee~~|17.5 10.5 7.1
~~eee~~
~~eee~~
~~ee~~|5.2
~~eee~~
~~eee~~
~~ee~~|3.8
~~eee~~
~~eee~~
~~ee~~|
|3โ4"- 260S
and
3โ4"- 260L
~~โโโS>S==S==S==~~
~~0 ~~|Brass
Carbon steel
A.I.S.I. 304 and 316 300
Monel
~~โโโS>S==S==S==~~
~~ee~~
~~ee~~
~~ere~~
~~Se~~
~~Se~~
~~ee~~|207(59.3)
~~โโโS>S==S==S==~~
~~ee~~
~~ee~~
~~|~~
~~ere~~|89.1(39.8)
~~โโโS>S==S==S==~~
~~ee~~
~~|~~
~~ee~~|)32.2(23.9)16.4 9.9
~~โโโS>S==S==S==~~
~~ee~~
~~ee~~
~~|~~
~~ee~~|16.4 9.9
~~โโโS>S==S==S==~~
~~ee~~
~~ee~~
~~|~~
|16.4 9.9
~~|~~
~~ee~~|6.6
~~eee~~
~~eee~~
~~|~~
~~ee~~|4.8
~~eee~~
~~eee~~
~~|~~
~~ee~~|3.6
~~eee~~
~~eee~~
~~|~~
~~ee~~|
|||290(106)
~~ee~~
~~|~~
~~ere~~|123(71.2)
~~|~~
~~ee~~|)
44.9(42.7)22.8 13.8 9.3
~~ee~~
~~|~~
~~ee~~|22.8 13.8 9.3
~~ee~~
~~|~~
|22.8 13.8 9.3
~~|~~
~~ee~~|22.8 13.8 9.3
~~eee~~
~~|~~
~~ee~~|6.7
~~eee~~
~~|~~
~~ee~~|4.9
~~eee~~
~~|~~
~~ee~~|
|||A.I.S.I. 304 and 316 300(148)
~~|~~
~~ere~~|128(99.3)
~~|~~
~~ee~~|)
46.4
~~|~~
~~ee~~|23.6 14.3 9.6
~~|~~
|23.6 14.3 9.6
~~|~~
~~ee~~|23.6 14.3 9.6
~~|~~
~~ee~~|6.9
~~|~~
~~ee~~|5.1
~~|~~
~~ee~~|
|||261(118)
~~|~~
~~ere~~
~~Se~~
~~ee~~|112(79.8)
~~|~~
~~ee~~|)
40.6
~~|~~
~~ee~~
~~eee~~|20.7 12.4 8.3
~~|~~
~~eee~~|20.7 12.4 8.3
~~|~~
~~ee~~
~~eee~~|20.7 12.4 8.3
~~|~~
~~ee~~
~~eee~~|6.1
~~|~~
~~ee~~
~~eee~~|4.5
~~|~~
~~ee~~
~~eee~~|
|1"- 260S
and
1"- 260L
||Brass
Carbon steel
A.I.S.I. 304 and 316 300
Monel
~~ere~~
~~Se~~
~~Se~~
~~ee~~
~~ee~~|207(59.3)
~~ere ~~
~~Se~~
~~ee~~
~~OD~~|102(47.6)
~~ee ~~
~~OD~~|)
37.0(28)
~~ee ~~
~~eee~~
~~OD~~|18.8 11.4 7.6
~~eee~~
~~OD~~|18.8 11.4 7.6
~~ee~~
~~eee~~
~~OD~~|18.8 11.4 7.6
~~ee~~
~~eee~~
~~OD~~|5.5
~~ee~~
~~eee~~
~~OD~~|4.1
~~ee~~
~~eee~~
~~OD~~|
|||290(106)
~~ee~~
~~OD~~|143(84.3)
~~OD~~|)
51.6(50.6)26.2 15.9 10.6 7.6
~~eee~~
~~OD~~|26.2 15.9 10.6 7.6
~~eee~~
~~OD~~|26.2 15.9 10.6 7.6
~~eee~~
~~OD~~|26.2 15.9 10.6 7.6
~~eee~~
~~OD~~|26.2 15.9 10.6 7.6
~~eee~~
~~OD~~|5.7
~~eee~~
~~OD~~|
|||A.I.S.I. 304 and 316 300(148)
~~ee~~
~~OD~~
~~ee~~|148(117)
~~OD~~
~~ee~~|53.5
~~eee~~
~~OD~~
~~ee~~|27.2 16.5 11.0 7.9
~~eee~~
~~OD~~
~~ee~~|27.2 16.5 11.0 7.9
~~eee~~
~~OD~~
~~ee~~|27.2 16.5 11.0 7.9
~~eee~~
~~OD~~
~~ee~~|27.2 16.5 11.0 7.9
~~eee~~
~~OD~~
~~ee~~|5.9
~~eee~~
~~OD~~
~~ee~~|
|||261 (118)
~~OD~~
~~ee~~|128 (93.3)
~~OD~~
~~ee~~|128 (93.3)
46.7
~~OD~~
~~ee~~|23.7 14.4 9.5
~~OD~~
~~ee~~|23.7 14.4 9.5
~~OD~~
~~ee~~|23.7 14.4 9.5
~~OD~~
~~ee~~|6.9
~~OD~~
~~ee~~|5.1
~~OD~~
~~ee~~|
**B-19**
## Links
- [View this product on Novapart](https://novapart.co/products/1/2-260L-U71/2-316SS/thermowell-1-2npt-316-stainless-steel-75-260l)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/omega/1-2-260l-u71-2-316ss/thermowell-1-2-npt-316ss-7-5/dp/3907523)
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