Spring Loade Shaft Seal Assembly

Model / MPN: BM21 | NSN: 4320-00-065-5639

A combination of items used in sealing various rotary shaft equipment. It may include items such as bellows, disk, drive ring, flexible diaphragm, mating ring, o-ring, retainer, seat, sleeve, washer and the like. Excludes seal, plain encased.

Product Details

NATO Stock Number

4320-00-065-5639

Sold in multiples of

1 EA

DEMIL

General Description

Consists of one each of the following, seal, stationary; seal, rotary; spring, helical compression; seat, helical compression spring; 1.875 in. Id; 2.500 in. Od; 4.000 in. Assembled lg

BM21 Series Parts

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BM21 Cross Reference

NSP-00137
NSP-00137
NSP-00137
R1117PC41
CF-SP-80297/XF1020153
FSP8542
FSP8542BF102DM