Military Specifications Hook and and Loop use

MiL-SPEC AA-55126

Hook and Loop Fasteners

Halco supplies hook and loop fastening materials qualified to U.S. military specification A-A-55126, Revision C — the Commercial Item Description (CID) governing hook and loop fasteners used in military and defense applications. Available across multiple Types and Classes, our mil-spec materials meet the strength, durability, and environmental-resistance requirements demanded by manufacturers of tactical gear, ballistic protection, shelters, and emergency-response equipment.

What is AA-55126?

A-A-55126 defines the performance requirements for hook and loop fasteners used in military applications. It sets standards across three areas:

Physical and mechanical properties — including tensile and shear strength.
Performance characteristics — durability and reliability under repeated load and stress.
Environmental resistance — dependable function across temperature, moisture, and field conditions.

These requirements ensure fasteners perform in mission-critical equipment such as helmets, anti-ballistic vests, load-bearing gear, tents and shelters, and emergency medical response prducts. Halco’s hook and loop fasteners meet or exceed A-A-55126C, and our testing aligns with military requirements for strength, durability, and environmental resistance.

A sewing machine stitches a brown fabric strip. Two hands guide black fabric under the presser foot.

AA-55126 Types & Classes

A-A-55126 organizes hook and loop fasteners by Type (construction) and Class (material and edge finish). Halco converts and supplies the following:

Types: (Hook Only)

Type I – 6.5 millimeters Woven Hook Fastener Tape
Type II – 8.0 millimeters Woven Hook Fastener Tape
Type III – Extruded Plastic Hook Fastener Tape, Non-Autoclave
Type IV – Extruded Plastic Hook Fastener Tape, Autoclave Resistant

Classes: (Hook Fastening Tape)

Class 1 – 100% Nylon with selvage
Class 3 – 100% Polyester with selvage
Class 4 – 100% Nylon without selvage
Class 5 – 100% Polyester without selvage
Class 8 – Laminated Circular Engagement (LCE) Fastener, Back to Back, Nylon, and Polyethylene without selvage.

Classes: (Loop Fastening Tape)

Class 1 – 100% Nylon with selvage
Class 3 – 100% Polyester with selvage
Class 4 – 100% Nylon without selvage
Class 5 – 100% Polyester without selvage
Class 6 – 100% Nylon Warp Knit without selvage
Class 7 – 100% Nylon Circular Knit without selvage

Whether your application calls for Type I or Type II woven constructions, Class 1 nylon or Class 3 polyester materials, Halco provides traceable fastening solutions backed by technical guidance to support compliance with your program requirements.

Halco’s AA-55126 Capabilities

Halco is a major supplier to the military products industry, with the converting capabilities and material expertise to deliver compliant fasteners for demanding programs:

Performance testing for tensile strength, shear strength, and environmental resistance.
Custom converting — slitting, die-cutting, and fabrication tailored to your application.
Military colors to match gear and equipment specifications.
Advanced adhesives — as a 3M Preferred Converter, Halco matches pressure-sensitive adhesives to your substrate and surface energy for reliable bonds in the field.

Quality and traceability are backed by Halco’s ISO 9001–certified quality management system.

Request Your Free Sample
Explore Halco’s military-grade hook and loop fasteners. Contact us today to learn more or request a free sample for your military product needs.