Model: 5311044

Union Nut

Properties:

Thread Direction
Right-hand
Shoulder Width
0.094 inches
Nut Style
Round
Nut Diameter
1.562 inches
Nut Height
0.438 inches
Smallest Inside Diameter
1.278 inches
Thread Series
Unef
Shoulder Step Width
0.062 inches
Shoulder Seat Diameter
1.438 inches
Thready Qty Per Inch (tpi)
18
Thread Size
1.438 inches
Material
Aluminum alloy 2017 or aluminum alloy 2024 or aluminum alloy 2011
Material Specification
Qq-a-225/5, t4 federal specification 1st material response or qq-a-250/4, t4 federal specification 2nd material response or qq-a-225/3, t3 federal specification 3rd material response
Surface Treatment
Cadmium
NSN
4730-00-531-1044
Part Number
5311044
Description
Nut,union
CAGE
24617

An internally threaded nut which has an internal seat or shoulder designed to engage the nut retaining flange of a union tailpiece. The threaded portion is used to engage the thread piece of a union, union elbor or the like. Excludes nut (1), tube coupling.

Part 5311044 NSN 4730-00-531-1044

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
19964
FIIG:
A021A0
Concept No.:
1
App. Key:
DB
Cond. Code:
2
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

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Schedule B and Export
  • Schedule B: 7616106000
  • SITC: 69440
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Threaded fasteners of aluminum

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