NT-MIL
Flexible, rugged, modified elastomeric
heat-shrinkable tubing
NT-MIL modified elastomeric heat- NT-MIL tubing remains flexible at No special skills are required to install
shrinkable tubing offers outstanding temperatures as low as -70C without NT-MIL tubing. Using standard
resistance to abrasion and physical cracking. It also withstands heat heating tools, one operator can
abuse while providing flexibility and shock at 200C without dripping, complete an installation in minutes,
strain relief needed in many harness- flowing or cracking. substantially reducing labor costs.
ing applications. NT-MIL tubing is
widely used for insulation, strain relief NT-MIL tubing is resistant to common NT-MIL tubing is supplied in a wide
and abrasion protection on cable fluids and solvents including aviation range of sizes. Because NT-MIL is
harnesses and wire bundles in the and ground vehicle fuels, lubricating heat-shrinkable, each size can
military and aerospace industries. It oil, and hydraulic fluids. It retains accommodate a variety of harness
meets the stringent requirements of excellent physical and electrical sizes, minimizing inventory and
AMS-DTL-23053/1, Classes 1 and 2. properties following exposure. related costs.
Temperature rating
Full recovery temperature: 135C
Continuous operating temperature: 70C to 121C
Specifications*
Type Raychem Military
NT-MIL RW-3030 AMS-DTL-23053/1, Cl. 1 and 2
*When ordering, always specify latest issue.
Dimensions (millimeters/inches)
W
Expanded as supplied
Fully recovered after heating
D d
Inside diameter Wall thickness Inside diameter Wall thickness
D (min.) d (max.) W D (min.) d (max.) W
Expanded Recovered Recovered Expanded Recovered Recovered
Size as supplied after heating after heating** Size as supplied after heating after heating**
1/8 3.2 0.125 1.6 0.062 0.66 0.20 0.026 0.008 1 25.4 1.000 14.5 0.570 1.77 0.51 0.070 0.020
3/16 4.8 0.187 2.4 0.093 0.84 0.25 0.033 0.010 1 1/4 31.8 1.250 18.1 0.714 2.20 0.51 0.087 0.020
1/4 6.4 0.250 3.6 0.143 0.89 0.25 0.035 0.010 1 1/2 38.1 1.500 21.8 0.857 2.41 0.51 0.095 0.020
3/8 9.5 0.375 5.4 0.211 1.01 0.25 0.040 0.010 1 3/4 44.5 1.750 25.4 1.000 2.71 0.51 0.107 0.020
1/2 12.7 0.500 7.3 0.286 1.21 0.38 0.048 0.015 2 50.8 2.000 29.0 1.140 2.79 0.51 0.110 0.020
5/8 15.9 0.625 9.1 0.357 1.32 0.38 0.052 0.015 3 76.2 3.000 43.4 1.710 3.17 0.51 0.125 0.020
3/4 19.1 0.750 10.9 0.428 1.44 0.38 0.057 0.015 4 101.6 4.000 57.9 2.280 3.55 0.51 0.140 0.020
7/8 22.2 0.875 12.7 0.500 1.65 0.38 0.065 0.015
**Wall thickness will be less if tubing recovery is restricted during shrinkage.
Ordering information
Colors Black
Size selection Always order the largest size that will shrink snugly over the component being covered.
Standard packaging On spools
Ordering description Specify product name, size, and color; for example, NT-MIL 1/4-0 (0=Black).Specification values
Property Unit Requirement Method of test
Material Dimensions mm (inches) See Reverse ASTM D 2671
Longitudinal change percent +1, -10 ASTM D 2671
Tensile strength psi (Mpa) 1500 (10.3) minimum ASTM D 412
Ultimate elongation percent 225 minimum ASTM D 412
Tensile stress at 200% elongation psi (Mpa) 1500 (10.3) maximum AMS-DTL-23053
Restricted shrinkage No cracks AMS-DTL-23053
(30 minutes at 135C/275F)
Followed by test for:
Voltage withstand Pass
Low temperature flexibility No cracks AMS-DTL-23053
(4 hours at -70C/-94F)
Heat shock No cracks, flowing or AMS-DTL-23053
(4 hours at 200C/392F) dripping
Heat resistance ASTM D 2671
(168 hours at 121C/250F)
Followed by tests for:
Tensile strength psi (Mpa) 1200 (8.3) minimum ASTM D 412
Ultimate elongation percent 175 minimum ASTM D 412
Dielectric strength volts/mil (kv/mm) Sizes up to 7/8: ASTM D 2671
300 (11.8) minimum
Sizes 1 and larger:
200 (7.8) minimum
Electrical Dielectric strength volts/mil (kv/mm) Sizes up to 7/8: ASTM D 2671
300 (11.8) minimum
Sizes 1 and larger:
200 (7.8) minimum
11
Volume resistivity ohm-cm 1 x 10 minimum ASTM D 876
Chemical Copper mirror corrosion No pitting or AMS-DTL-23053
(16 hours at 150C/302F) corrosion
Copper contact corrosion No pitting or blackening AMS-DTL-23053
(16 hours at 150C/302F) of copper
Flammability Self-extinguishing in ASTM D 2671
15 seconds; 3 inches Procedure A
maximum burn length
Fungus resistance No growth ASTM G 21
Water absorption percent 1.0 maximum ASTM D 570
(24 hours at 23C/73F)
` Fluid resistance AMS-DTL-23053
(24 hours at 23C/73F) in:
JP-8 fuel (MIL-T-83133)
Hydraulic fluid (MIL-H-5606)
Lubricating oil (MIL-L-7808)
Lubricating oil (MIL-L 23699)
Salt water (5% salt)
Anti-icing fluid (MIL-A-8243)
Followed by tests for:
Tensile strength psi (Mpa) 1000 (6.9) minimum ASTM D 412
Ultimate elongation percent 175 minimum ASTM D 412
Dielectric strength volts/mil (kV/mm) 250 (9.8) minimum ASTM D 2671
Note: Consult RW-3030 for specific details about test procedures.
Raychem is a trademark of Tyco Electronics Corporation.
Tyco Electronics Corporation
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All information, including illustrations, is believed to be reliable. Users, however, should independently evaluate the suitability of each product for their application. Tyco Electronics Corporation makes
no warranties as to the accuracy or completeness of the information, and disclaims any liability regarding its use. Tyco Electronics Corporations only obligations are those in the Standard Terms and
Conditions of Sale for these products and in no case will Tyco Electronics Corporation be liable for any incidental, indirect, or consequential damages arising from the sale, resale, use, or misuse of the
product. Tyco Electronics Corporations Specifications are subject to change without notice. In addition, Tyco Electronics Corporation reserves the right to make changes in materials or processing
without notification to the Buyer which do not affect compliance with any applicable specification.
For more information about this product visit www.tycoelectronics.com
2002 Tyco Electronics Corporation Printed in USA 1654103-FP-Revised 04/04