Model: 20772-3F

Quick Disconnect Coupling Half

Properties:

Overall Length
3.330 inches
Quick Disconnect Method
Spring push-pull all ends
Quick Disconnect Size
1.109 inches all ends
Bolt Hole Quantity
4
End Application
Used on b-52 aircraft
Basic Shape Style
Rectangular (includes square) first fluid end connection
Connection Style
Plain all ends
Leg Length
0.281 inches
Width
2.375 inches
Length
2.375 inches
Connection Type
Flange first fluid end connection
Connection Type
Internal quick disconnect all ends
Features Provided
Self-sealing
Thickness
0.250 inches
Bolt Hole Diameter
0.271 inches
Center To Center Distance Between Bolt Holes Along Length
1.828 inches
Center To Center Distance Between Bolt Holes Along Width
1.828 inches
Material
Aluminum alloy body
Surface Treatment
Anodize body
Style Designator
Male coupling half
Specification Data
81349-mil-c-7413 government specification
Nondefinitive Specification/std Data
1 type
NSN
4730-00-585-8437
Part Number
20772-3F
Description
Coupling Half,quick Disconnect
CAGE
81833

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 20772-3F NSN 4730-00-585-8437

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:
U
ESD:
ESD:
MMAC:
SX
CRITL:
F

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.9000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
ZZ
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
051400
UFC:
29700
LTL:
77.5
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7609000000
  • SITC: 68427
  • End Use: Finished metal shapes
  • NAICS: 332919
  • USDA: 1

Freight Class: Aluminum tube or pipe fittings (couplings,elbows sleeves)

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