Model: MS21964-20

Quick Disconnect Coupling Half

Special Features:

Weapon system essential; life support item; detail specification sheet, mil-dtl-7560/1, titled: valve assembly, oxygen cylinder, bailout

Properties:

Overall Length
Between 2.083 inches and 2.103 inches
Quick Disconnect Method
Spring push-lock second quick disconnect end
Quick Disconnect Size
0.250 inches second quick disconnect end
End Application
Aircraft: c-141, c-5, c-130, f-111, t-39, b-52, f-15, c-135, and the b-2.
Connection Style
Barbed or serrated end all ends
Leg Length
Between 1.276 inches and 1.286 inches
Connection Type
External quick disconnect second quick disconnect end
Connection Type
Unthreaded external hose first fluid end connection
Criticality Code Justification
Feat
Inside Diameter Hose Accommodated
0.188 inches all ends
Part Name Assigned By Controlling Agency
Fitting, oxygen hose
Material
Copper alloy body
Surface Treatment
Zinc body
Surface Treatment Specification
Astm b633, type 3 federal standard single treatment response body
Style Designator
Male coupling half
NSN
4730-01-181-9638
Part Number
MS21964-20
Description
Coupling Half,quick Disconnect
CAGE
96906

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 internal or external quick disconnect feature for connecting a mating part to form a quick disconnect coupling assembly. The fitting may incorporate a self-sealing feature for the purpose of automatically shutting off the flow of fluid when disconnected from its mating half. For self-sealing fittings with an external or internal threaded disconnect end, see coupling half, self-sealing. See also, connector, multiple, fluid pressure line.

Part MS21964-20 NSN 4730-01-181-9638

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
18681
FIIG:
A531T0
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:
BO
CRITL:
Y

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:
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:
052190
UFC:
30000
LTL:
RATING VARIABLE
LCL:
50.0
WCC:
576
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 7412200000
  • SITC: 68272
  • End Use: Finished metal shapes
  • NAICS: 332919
  • USDA: 1

Freight Class: Copper alloy tube or pipe fittings

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