Model: M1183/10-55N7

Union Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Shoulder Width
0.200 inches
Nut Style
Hexagon
Nut Height
1.031 inches
Width Across Flats
3.047 inches
Tempurature Rating
Between 150.0 degrees fahrenheit and 425.0 degrees fahrenheit
Smallest Inside Diameter
2.220 inches
Thread Series
Uns
Shoulder Step Width
0.205 inches
Shoulder Seat Diameter
Between 2.488 inches and 2.499 inches
Thready Qty Per Inch (tpi)
10
Thread Size
2.595 inches
Maximum Working Pressure Rating And Service For Which Designed
200.0 pounds per square inch steam and 400.0 pounds per square inch oil and 400.0 pounds per square inch air and 400.0 pounds per square inch water
Material
Copper alloy
Test Data Document
81349-mil-f-1183 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Specification Data
81349-mil-f-1183/10 government specification
NSN
4730-01-518-0136
Part Number
M1183/10-55N7
Description
Nut,union
CAGE
81349

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 M1183/10-55N7 NSN 4730-01-518-0136

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:
A
ESD:
A
MMAC:
CRITL:
X

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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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