Model: NAS591-12D

Tube Coupling Inverted Nut

Properties:

Thread Class
3a
Thread Direction
Right-hand
Fabrication Method
Any acceptable
Casehardening Indicator
Not casehardened
Overall Length
Between 0.813 inches and 0.823 inches
Thread Size
1-1/16-12
Tube Outside Diameter For Which Designed
0.750 inches
Seat Angle In Deg
33.0
Screw Thread Series Designator
Un
Width Across Flats
1.250 inches
Smallest Inside Diameter
Between 0.757 inches and 0.760 inches
Material
Aluminum alloy, qq-a-225/6, alloy 2024
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6, alloy 2024 federal specification single material response
Style Designator
Inverted nut, tube, flare
NSN
4730-00-450-9355
Part Number
NAS591-12D
Description
Inverted Nut,tube Coupling
CAGE

Part NAS591-12D NSN 4730-00-450-9355

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03857
FIIG:
T385-B
Concept No.:
App. Key:
BA
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
013540
UFC:
05680
LTL:
70.0
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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