Model: 7550478-6397434-025-9L1

Union Nut

Properties:

Thread Class
2b
Nut Style
Hexagon
Nut Height
0.656 inches
Width Across Flats
1.531 inches
Smallest Inside Diameter
0.950 inches
Thread Series
Uns
Thready Qty Per Inch (tpi)
14
Thread Size
1.3125 inches
Criticality Code Justification
Zzzy
Material
Copper alloy 632
Material Specification
Astm b150 assn standard single material response
Reference Number Differentiating Characteristics
Material controlled iaw navsea 0948-lp-045-7010 material control standard for level i items
NSN
4730-01-413-7557
Part Number
7550478-6397434-025-9L1
Description
Nut,union
CAGE
03950

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 7550478-6397434-025-9L1 NSN 4730-01-413-7557

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:
S

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:
A
SPI No.:
SPI Rev.:
SPC Mkg:
24
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
RATING VARIABLE
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7415290000
  • SITC: 69432
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Copper screws, nuts, bolts, rivets, and other fasteners not threaded

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