Externally Threaded Ring

Model / MPN: 639AS1248 | NSN: 5365-01-046-4256

A cylindrically shaped item with a concentric bore and a peripheral thread over its entire length or over a portion thereof. One face is drilled, slotted, knurled, or has projecting lugs for installation and/or removal purposes. Excludes retainer, optical element.

Product Details

NATO Stock Number

5365-01-046-4256

Sold in multiples of

1 EA

DEMIL

Thread Class

Thread Direction

Right-hand

Casehardening Indicator

Not casehardened

Chamfer Angle In Deg

45.0

Chamfer Length

0.015 inches

Overall Length

0.188 inches

Diameter

Between 0.156 inches and 0.161 inches

Thread Size

1.437-18

Bore Diameter

Between 0.900 inches and 0.910 inches

Depth

0.188 inches

Bore Shape

Straight

Screw Thread Series Designator

Unef

Drive Type

Drilled face

Thread Location

Both ends

Accommodation Type And Quantity

2 holes

Angle Between Accommodations In Deg

180.0

Radius From Geometric Axis To Accommodation

0.594 inches

Beveled Thread

Included

Bore Annular Internal Serration

Not included

Setscrew Locking Notch

Not included

Bore Edge Process

Chamfered

Process End Location

Both ends

Material

Cres astm a582 type 416 cond a or cres astm a582 type 416 cond t

Material

Cres astm a582 type 416 cond a or cres astm a582 type 416 cond t

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 type 4 federal specification single treatment response

Surface Treatment

Passivated qq-p-35 type 4

639AS Series Parts

Pricing and Availability

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ISO 9001:2015 + AS9120B
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Externally Threaded Ring

Pricing and Availability

Certified Quality Assurance

639AS1248 Cross Reference