Model: 40975-1

Self-sealing Coupling Half

Properties:

Thread Class
3a all ends
Unable To Decode
Unable to decode and unable to decode
Overall Length
2.266 inches
Mating End Identification
Airborne research and development co. Coupling half, self sealing, part no. 40975-2
Connection Style
Inverted flare all ends
Connection Type
Threaded external tube first fluid end connection
Features Provided
Self-sealing
Maximum Operating Pressure
420.0 pounds per square inch single response
Thread Size
0.500 inches all ends
Seat Angle
37.0 degrees
Material
Steel body
Material Specification
Qq-s-763 federal specification single material response body
Media For Which Designed
Oxygen, gaseous single response
Surface Treatment
Passivate body
Surface Treatment Specification
Mil-s-5002 military specification single treatment response body
Style Designator
Male coupling half
Thread Series Designator
Unf all ends
NSN
4730-00-766-1179
Part Number
40975-1
Description
Coupling Half,self-sealing
CAGE
04577

A fluid line fitting having a pipe, tube or hose connection or a through hole to accommodate a bolt, fluid passage on one end. The other end must have an external or internal thread for connecting a mating part to form a self-sealing coupling assembly. The fitting has either a self-sealing feature for the purpose of automatically shutting off the flow of fluid when disconnected from its mating half, or, if it has no self-sealing feature, is specifically designed to mate with a fitting with a self-sealing feature. For self-sealing fittings with a quick disconnect end, see coupling half, quick disconnect. For fluid line fittings without a self-sealing feature, see coupling (as modified).

Part 40975-1 NSN 4730-00-766-1179

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
18281
FIIG:
A531W0
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:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051400
UFC:
29700
LTL:
77.5
LCL:
77.5
WCC:
576
TCC:
Z
SHC:
Z
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7307199030
  • SITC: 67952
  • End Use: Iron and steel products, other
  • NAICS: 331511
  • USDA: 1

Freight Class: Unions, pipe, of iron or steel, cast

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