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Earl's Metric Aluminum Crush Washer - Metric Aluminum Crush Washer, Fitting Side 10 mm, I.D. 10 mm, Package of 10

To be used with straight threaded adapter fittings when sealing at a port which has no relief for an "O" ring.

Earl's Metric Aluminum Crush Washer - Metric Aluminum Crush Washer, Fitting Side 12 mm, I.D. 12 mm, Package of 10

To be used with straight threaded adapter fittings when sealing at a port which has no relief for an "O" ring.

Earl's Metric Aluminum Crush Washer - Metric Aluminum Crush Washer, Fitting Side 16 mm, I.D. 16 mm, Package of 5

To be used with straight threaded adapter fittings when sealing at a port which has no relief for an "O" ring.

Earl's Metric Aluminum Crush Washer - Metric Aluminum Crush Washer, Fitting Side 18 mm, I.D. 16 mm, Package of 5

To be used with straight threaded adapter fittings when sealing at a port which has no relief for an "O" ring.

Earl's Metric Aluminum Crush Washer - Metric Aluminum Crush Washer, Fitting Side 20 mm, I.D. 20 mm, Package of 2

To be used with straight threaded adapter fittings when sealing at a port which has no relief for an "O" ring.

Earl's Metric Aluminum Crush Washer - Metric Aluminum Crush Washer, Fitting Side 30 mm, I.D. 30 mm, Package of 2

To be used with straight threaded adapter fittings when sealing at a port which has no relief for an "O" ring.

Earl's PTFE Washers - PTFE Washers -6 AN - 2 Pieces

PTFE sealing washers are ideal for use on fuel cells w/ a bulkhead fitting.

Earl's PTFE Washers - PTFE Washers -8 AN - 2 Pieces

PTFE sealing washers are ideal for use on fuel cells w/ a bulkhead fitting.

Earl's PTFE Washers - PTFE Washers -10 AN - 2 Pieces

PTFE sealing washers are ideal for use on fuel cells w/ a bulkhead fitting.

Earl's PTFE Washers - PTFE Washers -12 AN - 2 Pieces

PTFE sealing washers are ideal for use on fuel cells w/ a bulkhead fitting.

Earl's PTFE Washers - PTFE Washers -16 AN - 2 Pieces

PTFE sealing washers are ideal for use on fuel cells w/ a bulkhead fitting.

Earl's Stat-O-Seal - Stat-O-Seal, 1/4" I.D., Package Of 2

The Stat-O-Seal is very simply the best sealing washer available. It consists of a synthetic rubber "O" ring mechanically locked to the I.D. of an aluminum washer. When tightened, the "O" ring is compressed, forcing the sealing surfaces around the bolt...