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National Stock Number (NSN) Output Data

NSN:
NIIN:
Item Name:
BACK-UP RING , PREFORMED PACKING

Definition:

A CIRCULAR SHAPED ITEM WITH AN APERTURE MANUFACTURED TO PREDETERMINED DIMENSIONS, CONSTRUCTED WITH A RECTANGULAR CROSS SECTION THAT MAY BE SOLID, WITH JOINT, OR IN A HELICAL FORM THAT FACILITATES SPIRAL WRAP INSTALLATION. IT PREVENTS SEAL EXTRUSION UNDER PRESSURE AND IS DESIGNED TO FIT ON THE DOWN-PRESSURE SIDE OF A GLAND GROOVE WITH A PACKING, PREFORMED OR O-RING.

Reference/Part Number

Part Number CAGE Status RNCC RNVC DAC RNAAC MSDS SADC
US73918-01 H73918-01-8-6 0SYN4 R 5 9 6 ZZ
H73918-01-8-6 0EYA6 A C 1 5 ZZ 9F
H73918-01-8-6 0SYN4 R 3 9 6 ZZ
US73918-01 H73918-01-8-6 0EYA6 A C 1 5 ZZ 9F

CAGE Information

Code Company
0EYA6 WARTSILA DEFENSE INC.
0SYN4 WARTSILA LIPS INC

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
AGAV END ITEM IDENTIFICATION M9 SEAL LPD-17 PORT SHAFT ONLY,21.968 INCH
CXCY PART NAME ASSIGNED BY CONTROLLING AGENCY BACKING RING,TEFLON
MATT MATERIAL PLASTIC POLYTRIFLUOROETHYLENE

Similar Parts

H73918-01-8-6 , H739180186 , 5330-01-508-6081 , 5330015086081 , 015086081 , US73918-01 H73918-01-8-6 , H73918-01-8-6 , H73918-01-8-6 , US73918-01 H73918-01-8-6 ,