NPFC - MIL-S-21558
SEAL, OIL, PLAIN OR PLAIN ENCASED
active, Most Current
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| Organization: | NPFC |
| Publication Date: | 28 September 1973 |
| Status: | active |
| Page Count: | 16 |
scope:
This specification covers oil, plain or plain encased, seals for rotating or oscillating shafts used in Naval ordnance equipment.
intended Use:
Oil seals covered by this specification are intended for use in power transmissions and hydraulic mechanisms for sealing hydraulic fluid.
Document History
September 30, 2021
SEALS, PLAIN OR PLAIN ENCASED, OIL
A description is not available for this item.
January 21, 2021
SEAL, OIL, PLAIN OR PLAIN ENCASED
A description is not available for this item.
December 20, 1995
SEAL, OIL, PLAIN OR PLAIN ENCASED
A description is not available for this item.
MIL-S-21558
September 28, 1973
SEAL, OIL, PLAIN OR PLAIN ENCASED
Oil seals covered by this specification are intended for use in power transmissions and hydraulic mechanisms for sealing hydraulic fluid.
April 6, 1960
SEAL, OIL, PLAIN OR PLAIN ENCASED
A description is not available for this item.
August 29, 1958
SEAL, OIL, PLAIN OR PLAIN ENCASED
A description is not available for this item.