Model: 4WBU-SS

Tube Nipple

Special Features:

Differentiated by sleeve style (a) ms51825

Properties:

Thread Class
2a all ends
Thread Class
2a center bulkhead
End Application
Submarine; seawolf class ssn
Connection Style
Flareless (tube) all ends
Connection Type
Threaded external tube all ends
Thread Size
0.438 inches all ends
Thread Size
0.438 inches center bulkhead
Seat Angle
12.0 degrees all ends
Outside Diameter Tube Accommodated
0.250 inches all ends
Nominallength
1.890 inches
Material
Stainless steel
Style Designator
Flaremess w/ bulkhead threads
Thread Series Designator
Unf all ends
Thread Series Designator
Unf center bulkhead
Furnished Items And Quantity
2 tube coupling nut w/sleeve and 1 bulkhead nut
Specification Data
81343-j514 professional/industrial association standard and 96906-ms518212 government standard
Nondefinitive Specification/std Data
20a figure
NSN
4730-01-417-1576
Part Number
4WBU-SS
Description
Nipple,tube
CAGE
30780

A straight, one-piece fitting used to join a tube or tube fitting to another tube or tube fitting. It may have any type externally threaded tube connections of the same size on both ends and is usually shaped externally at the center to accommodate a wrench. It may include nuts, sleeves, and/or grommets.

Part 4WBU-SS NSN 4730-01-417-1576

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03783
FIIG:
A080B0
Concept No.:
App. Key:
A
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:
0.3000lbs
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:
051420
UFC:
29090
LTL:
RATING VARIABLE
LCL:
--
WCC:
736
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7307290000
  • SITC: 67956
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Stainless steel tube or pipe fittings nesoi

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