A78046-108

Preformed Packing Back-up Ring

NSN 5330-01-360-7600

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
EA
NIIN:
013607600

Technical Specifications of NSN

Cross Sectional Shape:
Solid
Cross-sectional Height:
Between 0.048 inches and 0.052 inches
Center Hole Diameter:
Between 0.251 inches and 0.253 inches
Peripheral Diameter:
Between 0.321 inches and 0.323 inches
Material:
Plastic polytetrafluoroethylene
Material Specification:
Mil-r-8791 military specification single material response
NSN:
5330-01-360-7600
Item Name:
Backup Ring
Cage Code:
97820

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
A78046-108
Cage Code:
94697
RNCC:
1
RNVC:
2
RNAAC:
KZ
Status:
A
MSDS:
SADC:
Part Number:
A78046-108
Cage Code:
09257
RNCC:
3
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
66949
FIIG:
A528B0
Concept No.:
App. Key:
Cond. Code:
1
Status:
A

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
ESD:
MMAC:
FW
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194120
UFC:
95100
LTL:
RATING VARIABLE
LCL:
--
WCC:
596
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Definition Definition of approved item name (AIN): "Backup Ring"

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.

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE AIR FORCE Dept. of the Air Force
DSOR:

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