Union Tailpiece

Model / MPN: 20257 FIND 31 | NSN: 4730-01-039-1986

A fitting used with a union nut and thread piece to form a union.

Product Details

NATO Stock Number

4730-01-039-1986

Sold in multiples of

1 EA

DEMIL

Pipe Size Designation

0.250 inches

Overall Length

0.812 inches

Flange Thickness

0.195 inches

Flange Outside Diameter

1.063 inches

End Connection Type

Brazed

Seat Type

Straight face

Working Pressure And Service Type

1500.0 pounds per square inch gas and 1500.0 pounds per square inch water and 1500.0 pounds per square inch oil

Male End Feature

Not included

Nut Retaining Flange

Included

Criticality Code Justification

Zzzy

Material

Bronze, mil-b-16541 or mil-b-11553 comp 5

Material

Copper alloy 922

Reference Number Differentiating Characteristics

Material controlled iaw navsea 0948-lp-045-7010 material control standard for level i items

20257 Series Parts

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