1/8 in. Brass Captive Sleeve Nut
1/8 in. Brass Captive Sleeve Nut
- Orders under $100: $9.95
- $100 – $499.99: $14.95
- Orders $500+: quoted — real freight for your order, not a flat guess
Volume order or crossing a competitor part number? Request a quote — usually answered the same business day.
The 1/8 in. Brass Captive Sleeve Nut is a brass compression end cap that terminates an open tube end and seals the line pressure-tight. Dezincification-resistant brass body ensures long service life in water, oil, gas, and compressed air systems.
Technical Specifications
| Specification | Value |
|---|---|
| Body Material | Brass (dezincification-resistant) |
| Connection Type | compression |
| Shape | Cap |
| End Connections | See product title for sizes |
| Pressure Rating | 500 WOG (brass) / 150 WOG (nylon/polypropylene) |
| Temperature Range | −20°F to 250°F (nylon/poly) / −20°F to 366°F (brass/SS) |
Key Features
- Dezincification-resistant brass — resists corrosion in water, gas, and oil service
- Precision machined for repeatable, leak-free connections
- Compression connection — no soldering, brazing, or special tools required
- Ferrule (sleeve) forms permanent seal on copper, brass, and compatible plastic tubing
- Reusable on copper tube; single-use on soft plastic tubing
- Seals open line ends for pressure testing or future expansion
Common Applications
Standard in HVAC refrigerant and chilled-water piping, residential gas appliance connections, instrument tubing, water heater and boiler supply lines, and any application requiring a reliable tube-to-thread or tube-to-tube joint without soldering or brazing.
Technical Resources
- Compression Fitting Sizing Chart — Tube OD to fitting size reference
- NPT Thread Tightening Reference — Proper thread engagement turns
- Brass Fitting Types and Sizes Guide — All fitting styles explained
Cross-References
This part is an equivalent for industry part numbers 00261-02, 098197787507, 1022057, 1761x2, 5220K201, 611x2, 61A-2, 61CA-2, 61-CA-2, 61-CM-02, 61CS-2, 61x2, 91100, 961-1/8, 961A-2, CA61-A, CS61-A, P-61-CA-2. Searching one of those? This is your match.