A-A-55759 Military Specification Silicone Sheeting & Uncured Compounds
ElastaPro manufactures A-A-55759 silicone sheeting and uncured compounds that meet rigorous defense, aerospace, and government procurement standards. A-A-55759 is a Commercial Item Description (CID) managed by the General Services Administration (GSA) to define commercial-grade solid silicone rubber sheets used across military, aerospace, and industrial defense supply chains.
A‑A‑55759 silicones follow the same general performance envelope as A‑A‑59588 (formerly ZZ‑R‑765), while adding defined configuration parameters such as specified thickness options—including the common .093″ gauge—and standardized color codes like C4 natural. These specification grade silicones provide extreme temperature resistance, flexibility, and durability for seals and gaskets.
Every lot of solid silicone sheeting and uncured silicone compound from ElastaPro is Made in the USA under our ISO 9001:2015 and AS9100D certified quality management system and shipped with a complete Certificate of Analysis (COA).
Need A-A-55759 Military Grade Silicone Sheeting?
We supply continuous rolls, pre-cut solid sheets, and custom uncured compounds with low minimums and fast lead times for defense contractors and gasket fabricators.
Request a Quote (RFQ)A-A-55759 Classes & Grade Classifications
The A-A-55759 CID covers several material classes and durometer hardness grades (Shore A) to match environmental and mechanical performance requirements:
| Class | Description / Performance Characteristics | Available Durometer Grades (Shore A) |
|---|---|---|
| Class 1A | Low-temperature resistant | 40, 50, 60, 70, 80 |
| Class 1B | Low-temperature resistant with low compression set at high temperatures | 40, 50, 60, 70, 80 |
| Class 2A | High-temperature resistant | 25, 40, 50, 60, 70, 80 |
| Class 3A | Low-temperature, tear-resistant, and flex-resistant (High Strength) | 30, 50, 60 |
| Class 3B | Tear-resistant and flex-resistant (High Strength) | 30, 50, 60, 70, 80 |
Note: Grade 2A and 2B solid silicone sheets are stocked in standard .093″ thickness in C4 (natural), red, black, and custom defense color options.
Specification Cross-Reference: A-A-55759 vs. A-A-59588 & ZZ-R-765
Military material callouts frequently reference legacy standards. The table below outlines how current A-A-55759 CID classes correlate with A-A-59588 and historical ZZ-R-765 specifications:
| A-A-55759 CID Class | Equivalent A-A-59588 Class | Superseded ZZ-R-765 Class | Primary Material Characteristic |
|---|---|---|---|
| A-A-55759 Class 1A | A-A-59588 Class 1A | ZZ-R-765 Class 1A | Extreme low-temperature performance |
| A-A-55759 Class 1B | A-A-59588 Class 1B | ZZ-R-765 Class 1B | Low temperature & high-temp compression set |
| A-A-55759 Class 2A | A-A-59588 Class 2A | ZZ-R-765 Class 2A | Extreme high-temperature performance |
| A-A-55759 Class 3A | A-A-59588 Class 3A | ZZ-R-765 Class 3A | High tear strength & low temperature |
| A-A-55759 Class 3B | A-A-59588 Class 3B | ZZ-R-765 Class 3B | High tear strength & flex resistance |
Key Applications for Defense & Aerospace
- Mil-Spec Environmental Gaskets: Weatherproof seals for military transport vehicles, communications equipment, and ruggedized electronics enclosures.
- Aerospace Seals: High- and low-temperature elastomeric seals designed for commercial and defense aircraft sub-assemblies.
- Vibration Isolation Pads: Shock-absorbing elastomeric pads meeting high-flex and high-tear resistance requirements.
- Custom Die-Cut Components: High-precision converted components engineered for government sub-tier procurement contracts.
In addition to A-A-55759 silicones, ElastaPro makes many other types of aerospace silicones and military silicones.
Frequently Asked Questions About A-A-55759 Silicone
What is A-A-55759 silicone?
A-A-55759 is a Commercial Item Description (CID) issued by the General Services Administration (GSA) defining solid silicone rubber sheeting used in U.S. government, military, and aerospace applications. It designates specific classes based on temperature, tear resistance, and compression set parameters while defining thickness callouts (such as “Shape 15”) and color options.
How does A-A-55759 differ from A-A-59588 and ZZ-R-765?
While A-A-59588 and the legacy ZZ-R-765 military specifications cover broad material performance categories, A-A-55759 functions as a Commercial Item Description that explicitly references these requirements alongside specific finished-goods requirements like thickness dimensions and color options. Silicone meeting A-A-55759 satisfies the corresponding performance requirements of A-A-59588.
What does “Shape 15” mean in the A-A-55759 specification?
“Shape 15” is a specific dimensional designation within the A-A-55759 CID that dictates a standardized thickness format for silicone rubber sheeting, ensuring seamless compliance across government purchasing contracts and sub-tier manufacturing.
Is ElastaPro A-A-55759 silicone Made in the USA?
Yes. All ElastaPro A-A-55759 silicone sheeting and uncured compounds are manufactured in the USA at our Santa Fe Springs, California facility under our ISO 9001:2015 and AS9100D certified quality management system. Complete Certificates of Analysis (COA) are provided with every shipment.