Model: 40251

Gasket

Special Features:

Mtg hole location, 2 holes 1.250 in. Either side of horizontal centerline and 1.875 in. From vertical centerline, aperture slotted on right side onhorizontal centerline w/center 1.750 in. From vertical centerline and 0.380in. End radius, one adjacent aperture 0.499 in. Min, 0.507 in. Max diameter on horizontal centerline and 2.312 in. Leftof vertical centerline, 80 microinchesaa max surface finish both sides, gasket used w/mil-l-7808 lubricating oil

Properties:

Hole Diameter
Between 0.343 inches and 0.351 inches
Tempurature Rating
-65.0 degrees fahrenheit and 250.0 degrees fahrenheit
Bolt Circle Diameter
Between 4.375 inches and 4.385 inches
Aperture Diameter
Between 2.995 inches and 3.005 inches
Cross-sectional Thickness
0.125 inches
Elongation Percentage
250
Hardness Rating
70.0 shore durometer a
Material
Aluminum alloy 6061 and rubber butadiene-acrylonitrile class nbr
Material Specification
Qq-a-327 t6 federal specification 1st material response and mil-r-7362 type 2 comp a military specification 2nd material response or sr 873a-70 fscm 95272 mfr ref 2nd material response
Surface Treatment
Chromate
Surface Treatment Specification
Mil-c-5541 military specification single treatment response
NSN
5330-00-862-9288
Part Number
40251
Description
Gasket
CAGE
77969

Part 40251 NSN 5330-00-862-9288

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04522
FIIG:
A032A0
Concept No.:
App. Key:
AB
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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