Model: 157816

Union Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Shoulder Width
0.188 inches
Nut Style
Hexagon
Nut Height
1.188 inches
Width Across Flats
2.562 inches
Smallest Inside Diameter
1.938 inches
Thread Series
Un
Shoulder Step Width
0.250 inches
Shoulder Seat Diameter
2.375 inches
Thready Qty Per Inch (tpi)
12
Thread Size
2.312 inches
Maximum Working Pressure Rating And Service For Which Designed
4500.0 pounds per square inch oil and 4500.0 pounds per square inch water
Material
Nickel alloy
Material Specification
Qq-n-288, comp a federal specification 1st material response or qq-n-281, cl b federal specification 2nd material response
NSN
4730-01-053-6515
Part Number
157816
Description
Nut,union
CAGE
77842

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 157816 NSN 4730-01-053-6515

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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:
051450
UFC:
29740
LTL:
77.5
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7507200000
  • SITC: 68322
  • End Use: Finished metal shapes
  • NAICS: 332919
  • USDA: 1

Freight Class: Tube or pipe fittings of nickel

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