Model: 204-040-779-1

Union Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Counterbore Diameter
1.560 inches first end
Shoulder Width
0.230 inches
Nut Diameter
2.220 inches
Nut Height
1.050 inches
Nut Counterbore Depth
0.375 inches first end
Drilled Hole Diameter
Between 0.109 inches and 0.114 inches
Hole Type And Quantity
9 drilled
Thread Series
Unef
Shoulder Seat Diameter
1.625 inches
Thready Qty Per Inch (tpi)
18
Thread Size
1.562 inches
Hole Configuration Style
Configuration f
Material
Steel comp 4340
Material Specification
Mil-s-5000, cond c1 military specification single material response
NSN
4730-00-755-1182
Part Number
204-040-779-1
Description
Nut,union
CAGE
97499

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 204-040-779-1 NSN 4730-00-755-1182

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
013540
UFC:
05680
LTL:
70.0
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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