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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
NC452482 35795 A 3 2 5 ZZ
2498-14-19-28 16626 R 5 9 5 ZZ
2498-14-19-28 35795 A 5 2 5 ZZ

CAGE Information

Code Company
16626 CIRCOR INTL INC
35795 LESLIE CONTROLS 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 YCM74708 14 IN. BUTTERFLY VALVE;VIRGINIA CLASS SUBMARINE, SSN-774
MATT MATERIAL PLASTIC POLYTETRAFLUOROETHYLENE
AAGR CROSS-SECTIONAL SHAPE STYLE SOLID

Similar Parts

2498-14-19-28 , 2498141928 , 5330-01-537-0682 , 5330015370682 , 015370682 , NC452482 , 2498-14-19-28 , 2498-14-19-28 ,