Model: 277-250C

Spiral Wound Gasket

Properties:

Cross Sectional Shape
Metal winding w/ soft filler and outer ring
Outside Diameter
Between 3.085 inches and 3.242 inches
Aperture Diameter
2.500 inches
Bearing Surface Width
0.168 inches
Gage Ring Outside Diameter
Between 2.828 inches and 2.838 inches
Cross-sectional Thickness
0.149 inches
Gage Ring Thickness
Between 0.050 inches and 0.080 inches
Material
Copper alloy
Material Specification
Qq-c-576 federal specification single material response
Surface Treatment
Nickel
Style Designator
Circular
NSN
5330-00-349-3146
Part Number
277-250C
Description
Gasket,spiral Wound
CAGE
94581

Part 277-250C NSN 5330-00-349-3146

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37840
FIIG:
A032A0
Concept No.:
App. Key:
AL
Cond. Code:
1
Status:
A

Material Classification

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194120
UFC:
95100
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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