Model: 20905-12

O-ring
Description:

0.547 inches outside diameter, 0.069 inches cross-sectional height, 0.409 inches center hole diameter, stream (std. Tensioned replenishment at sea method) ; elevators, aircraft; aircraft, airlifter c-17a; boilers, 1200 psi; aircraft, sof ( ac-130h, mc-130h, ec-130e, hc-130) ; support equipment, b-1 aircraft; l.P. Compressors; stern gates; systems, 02n2; sas (starting air sys) , ffg-7; 2320-01-097-0260 hemtt (heavy expanded mobility tactical trucks) bap (bridge adapter pallet) . End item identification.

Properties:

Outside Diameter
Between 0.547 inches and 0.569 inches
Cross-sectional Height
Between 0.069 inches and 0.075 inches
Center Hole Diameter
Between 0.409 inches and 0.419 inches
End Application
Stream (std. Tensioned replenishment at sea method); elevators, aircraft; aircraft, airlifter c-17a; boilers, 1200 psi; aircraft, sof ( ac-130h, mc-130h, ec-130e, hc-130); support equipment, b-1 aircraft; l.P. Compressors; stern gates; systems, 02n2; sas (starting air sys), ffg-7; 2320-01-097-0260 hemtt (heavy expanded mobility tactical trucks) bap (bridge adapter pallet).
Elongation Percentage
125
Hardness Rating
75.0 shore durometer a
Material
Rubber fluorocarbon class fpm
NSN
5331-00-167-5166
Part Number
20905-12
Description
O-ring
CAGE
24235

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

Part 20905-12 NSN 5331-00-167-5166

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
47946
FIIG:
A510X0
Concept No.:
App. Key:
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:
N
PMIC:
A
ESD:
ESD:
MMAC:
SX
CRITL:
F

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:
596
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 4016930000
  • SITC: 62999
  • End Use: Industrial rubber products
  • NAICS: 339991
  • USDA: 1

Freight Class: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber

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