Dunbar-283304

Founded in 1986, Dunbar is a tier 1 supplier of Mil-Spec Heat Shrinkable Tubing.

With a full breadth of heat shrinkable and non-shrinkable products, Dunbar products include Heat Shrinkable Tubing products – Polyolefins (Formatted Markers, Thin, Medium & Heavy wall), Adhesive-lined, Automotive grade, Kynar, PVdF, Neoprene, Diesel Resistant, CATV tubing Fluoroplastic, Fluoroelastomer, and Viton tubing.

AS9100D & 9001:2015

Mil-Spec Industrial Labeling

Dunbar-iu3

Dunbar-iu6

Military | Aerospace

Single Wall Polyolefin | Mil Spec

Dunbar is a tier 1 supplier of Mil-Spec Heat Shrinkable Tubing, offering a full breath of heat shrinkable and non-shrinkable products. From our centralized distribution center in Dallas, Texas. Orders are shipped same day on all in-stock products. The Dunbar team is committed to providing industry leading customer service and products. Dunbar was founded in 1986 and is privately held.

Single Wall Dunbar

1635F

MIL Spec:

AS23053/5

UL File: E319303

Equals:

TE/Rachem – RNF100, Versafit

Sumitomo – SM12, B2, A2, SM35

3M – FP301, FP301VW

Canusa – CPX100, PO135, CPX876

Alpha – FIT221, FIT221B

Single Wall Dunbar

1635S

MIL Spec:

AS23053/6

UL File: –

Equals:

TE/Rachem – CRN

Sumitomo – B8, D

3M – SR350

Canusa – CHM140, HM140

Alpha – FIT295

Single Wall Dunbar

3635

MIL Spec:

AS23053/5

UL File: E319303

Equals:

TE/Rachem – RNF3000

Sumitomo – SM23, B2(3x), A2(3x)

3M – SFTW203

Canusa – CPX300

Alpha – FIT321V

Single Wall Dunbar

4635

MIL Spec:

AS23053/4C2

UL File: E319314

Equals:

TE/Rachem – RP4800

Sumitomo – B2(4x)

3M

Canusa

Alpha – FIT421

Dual Wall Polyolefin Adhesive Lined | Mil Spec

Dual Wall Dunbar

1625W

MIL Spec:

AS23053/4C2

UL File: E319314

Equals:

TE/Rachem

Sumitomo – F2, F32, F2(Z)

3M – CP221

Canusa

Alpha – FIT221V

Dual Wall Dunbar

3625WS

MIL Spec:

AS23053/4C1

UL File: E319314

Equals:

TE/Rachem – SCL

Sumitomo – W5DL

3M – MW

Canusa

Alpha – Fit300

Dual Wall Dunbar

3635W

MIL Spec:

AS23053/4C3

UL File: E319314

Equals:

TE/Rachem – ATUM3:1, DWP125

Sumitomo – W3B2, W3F2, W3C

3M – EPS300

Canusa – CPA300, CPA100 (Not UL)

Alpha – FIT321

Dual Wall Dunbar

4635W

MIL Spec:

AS23053/4

UL File: E319314

No Spec Sheet Available

Equals:

TE/Rachem – ATUM4:1

Sumitomo

3M – EPS400

Canusa

Alpha

Dual Wall Dunbar

4635WT

MIL Spec:

AS23053/4

UL File: E319314

Equals:

TE/Rachem – ATUM4:1

Sumitomo – W3B2(4X)

3M – EPS400

Canusa

Alpha

Medium & Heavy Wall Tubing | Mil Spec

Medium & Heavy Wall Dunbar

PHWT-FR

MIL Spec:

AS23053/15C1

UL File: E19303

Equals:

TE/Rachem – SST-FR, BSTS-FR, HF

Sumitomo

3M – HDT

Canusa – FCFW

Alpha

Medium & Heavy Wall Dunbar

PMWT-FR

MIL Spec:

AS23053/15C2

UL File: E19303

Equals:

TE/Rachem – SST-FR, BSTS-FR

Sumitomo

3M – MDT

Canusa

Alpha

Dunbar-283258

Dunbar APS XD4T

Double Sided Thermal Printing for Heatshrink Tubing

Specialty Tubing | Mil Spec

Specialty Tubing Dunbar

FK150

MIL Spec:

AS23053/18C2

UL File: E19303

Equals:

TE/Rachem – RNF150 (Black), RT375 (Clear)

Sumitomo

3M

Canusa

Alpha

Specialty Tubing Dunbar

1675

MIL Spec:

AS23053/8

UL File: E19303

Equals:

TE/Rachem – Kynar RW175

Sumitomo – K

3M – Kynar

Canusa – CKN 175, HA150

Alpha – FIT350

Specialty Tubing Dunbar

CRFR

MIL Spec:

AS23053/1

UL File: –

Equals:

TE/Rachem – NT-FR, NT

Sumitomo – R10

3M – NST

Canusa – CNP200

Alpha – FIT600

Specialty Tubing Dunbar

DRET

MIL Spec:

AS23053/16

UL File: –

Equals:

TE/Rachem – DR25

Sumitomo – R120

3M

Canusa – CDR625

Alpha

Specialty Tubing Dunbar

DR150

MIL Spec:

AS23053/16

UL File: –

Equals:

TE/Rachem – DR25

Sumitomo – R120

3M

Canusa – CDR625

Alpha

Specialty Tubing Dunbar

V200

MIL Spec:

AS23053/13

UL File: –

Equals:

TE/Rachem – Viton

Sumitomo – KH230, SM60, SM360

3M – VTN200

Canusa – Deray VT220

Alpha

Dunbar-283243

Complete Cross Reference List Here

All Colors Available For Immediate Shipment

Industrial | Commercial

Single Wall Polyolefin

Used for insulation, strain relief, and abrasion protection on cable harnesses and wire bundles in military and aerospace industries. It provides fluid and solvent resistance, including lubricating oil, aviation and ground-vehicle fuels and hydraulic fluids. Neoprene remains flexible at low temperatures

Single Wall Dunbar

1625GT

UL File: E319303

Equals:

TE/Rachem – Versafit V4

Sumitomo – F4(TW)

3M

Canusa

Alpha – FIT221-TW

Single Wall Dunbar

1635F YL|GN

UL File: E319303

Equals:

TE/Rachem – DCPT

Sumitomo – B2 (Y/G)

3M

Canusa – CPX201

Alpha – FIT260

Dunbar APS III

The Dunbar APS™ III marking system is specifically designed for permanent thermal transfer printing on many types and formats of heat shrinkable tubing.

Dual Wall Polyolefin Adhesive Lined

Dual Wall Dunbar

4650WS

UL File: E319303

Equals:

TE/Rachem – FL2500, SCT

Sumitomo

3M

Canusa – CFRA

Alpha

Dual Wall Dunbar

2690NW

UL File:

No Spec Sheet Available

Equals:

TE/Rachem

Sumitomo – O2

3M

Canusa

Alpha

Dual Wall Dunbar

4635WS

UL File: E319314

Equals:

TE/Rachem – ES200, ES1000

Sumitomo – SA2F

3M – SMS, TES

Canusa – Splicemelt

Alpha

Medium & Heavy Wall Tubing

Medium & Heavy Wall Tubing Dunbar

CATV

UL File: –

Equals:

TE/Rachem – TCS, SCTB

Sumitomo

3M – CCT

Canusa – CFTV

Alpha

Medium & Heavy Wall Tubing Dunbar

CMWT-FR

UL File: E319303

Equals:

TE/Rachem – RMW, SST, BSTS

Sumitomo

3M

Canusa – CFM

Alpha – FIT700

Medium & Heavy Wall Tubing Dunbar

CHWT-FR

UL File: E319303

Equals:

TE/Rachem

Sumitomo

3M

Canusa

Alpha

Indentification

Dunbar APS III and APS XD4T are specifically designed for permanent marking on many types of heat shrinkable tubing.

The APS XD4T and APSIII are SAE-AS5942, UL & CSA Approved when used with Dunbar Tubing and Ribbon.

iu2

Dunbar-283258

Vertical Markets Served

Aerospace

Industrial

OEM

Defense

Marine

Automotive

Resources and Announcements

Heatshrink Mil Spec & General Duty

September 14, 2022

Dunbar Heat Shrink Cross Reference Guide

July 28, 2021