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Part Number

Part Number:
NSN:
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Item Name:
RETAINER , PACKING

Definition:

AN ITEM DESIGNED TO FIT OVER A PACKING GLAND BY MATING WITH A SURFACE OF A SECOND PART WHICH TOGETHER WILL RETAIN INTO A NARROW GROOVE OR CONFINED SPACE THE PACKING, PREFORMED OR O-RING, OR AN ITEM DESIGNED TO FIT OVER A ROD OR SHAFT, TO MATE WITH A STUFFING BOX TO CONFINE PACKING MATERIAL. IT MAY FUNCTION AS A STATIC OR DYNAMIC SEAL RETAINER WITH THE PACKING LOCATED ON, AROUND, OR IN THE CENTERLINE DIRECTION OF THE ROD OR SHAFT AXIS. IT MAY HAVE HOLES OR JOINTS FOR MOUNTING, BE THREADED OR UNTHREADED. SEE ALSO PACKING NUT AND PACKING NUT, STUFFING TUBE.

CAGE Information

Code Company
18355 BOEING COMPANY THE DBA BOEING DIV DE

Federal Supply Class

Title

PACKING AND GASKET MATERIALS

Inclusions:

INCLUDES GENERAL PURPOSE OIL GREASE, AIR, LIQUID, GAS, AND CHEMICAL SEALS; OAKUM; PREFABRICATED GASKETS AND SEALS DESIGNED FOR A SINGLE SPECIFIC APPLICATION.

Exclusions:

EXCLUDES O-RINGS (FSC 5331); BULK MATERIAL ITEMS, SUCH AS; RUBBER, CORK, AND ASBESTOS SHEETS AND STRIPS (FSG 93); LIQUID GASKET MATERIALS (RTV, PERMATEX, ETC.) (FSG 80); RFI AND EMI SEALS AND GASKETS (FSC 5999), AND ALL SEAL RETAINERS.

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
ADYT CENTER HOLE DIAMETER 1.156 INCHES MINIMUM AND 1.218 INCHES MAXIMUM
ADYT CENTER HOLE DIAMETER 1.156 INCHES MINIMUM AND 1.218 INCHES MAXIMUM
MATT MATERIAL LEATHER CATTLEHIDE OVERALL
ADVN CROSS-SECTIONAL HEIGHT 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM
ADYU PERIPHERAL DIAMETER 1.422 INCHES MINIMUM AND 1.454 INCHES MAXIMUM
AAGR CROSS-SECTIONAL SHAPE STYLE SQUARE/RECTANGULAR
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

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