Model: 463521

Union Nut

Special Features:

8 slots outside wall of nut, 0.240in.Min, 0.260 in.Max w

Properties:

Thread Class
3b
Thread Direction
Right-hand
Shoulder Width
Between 0.205 inches and 0.225 inches
Nut Style
Round
Nut Diameter
Between 2.490 inches and 2.510 inches
Nut Height
Between 1.670 inches and 1.690 inches
Smallest Inside Diameter
Between 1.683 inches and 1.689 inches
Thread Series
Unf
Shoulder Step Width
0.115 inches
Shoulder Seat Diameter
Between 2.006 inches and 2.008 inches
Thready Qty Per Inch (tpi)
12
Thread Size
2.125 inches
Material
Steel
Material Specification
Ams5646 assn standard single material response
NSN
4730-00-908-0519
Part Number
463521
Description
Nut,union
CAGE
77445

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 463521 NSN 4730-00-908-0519

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: 7318160000
  • SITC: 69421
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Nuts of iron or steel

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