MIL-PRF-372 §4.3.2 Plastic Submersion Test CouponsPlastic test coupons used in testing by military specification MIL-PRF-372 §4.3.2 (Plastic Submersion). These test coupons are made from plastic nylon. Each test coupon is 1" x 1" x 1/32". Additional Information (optional)500QuantityAdd to Quote Request