Model: A20434

Union Nut

Special Features:

Medium straight or diamond knurl on od

Properties:

Thread Class
2b
Thread Direction
Right-hand
Shoulder Width
0.0312 inches
Nut Style
Round
Nut Diameter
1.330 inches
Nut Height
0.307 inches
End Application
Pza machine gun, grenade, 40mm mod ii (hild) , mk19
Smallest Inside Diameter
1.005 inches
Thread Series
Uns
Shoulder Step Width
0.057 inches
Shoulder Seat Diameter
1.187 inches
Thready Qty Per Inch (tpi)
24
Thread Size
1.188 inches
Material
Steel comp 1018 or steel comp 1019 or steel comp 1020
Material
Steel comp 1018 or steel comp 1019 or steel comp 1020
Surface Treatment
Phosphate
Supplementary Features
Used on guns only
NSN
4730-00-517-1491
Part Number
A20434
Description
Nut,union
CAGE
U4574

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 A20434 NSN 4730-00-517-1491

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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:
093486
UFC:
48950
LTL:
RATING VARIABLE
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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