Product Details | UNION NUT

4730-01-518-0136 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.202109000004730000000

Part Alternates: M1183/10-55N7, M11831055N7, MILF1183, MIL-F-1183, 4730-01-518-0136, 01-518-0136, 4730015180136, 015180136

Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings

Supply Group (FSG) NSN Assign. NIIN
47 27 FEB 2004 01-518-0136

Drawings & Photos | NSN 4730-01-518-0136


Demand History | NSN 4730-01-518-0136

Part Number Request Date QTY Origin
4730-01-518-0136 2024-01-17 32 US
4730-01-518-0136 2022-12-339 1 US
4730-01-518-0136 2022-11-306 2 US
4730-01-518-0136 2022-11-305 2 US
4730-01-518-0136 2022-06-154 1 United States
M11831055N7 2020-09-253 5 US
MILF1183 2019-03-63 8 US
4730-01-518-0136 2018-05-124 100 US
MILF1183 2017-05-137 1 United States
MILF1183 2010-11-329 100 FR

Cross Reference | NSN 4730-01-518-0136

Part Number Cage Code Manufacturer
M1183/10-55N7 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-F-1183 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 4730-01-518-0136

Characteristic Specifications
THREAD SERIES UNS
NOMINAL THREAD SIZE 2.595 INCHES
THREAD QUANTITY PER INCH 10
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
MATERIAL COPPER ALLOY OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A371 HEXAGON
SHOULDER WIDTH 0.200 INCHES NOMINAL
NUT HEIGHT 1.031 INCHES NOMINAL
WIDTH ACROSS FLATS 3.047 INCHES NOMINAL
SMALLEST INSIDE DIAMETER 2.220 INCHES NOMINAL
SHOULDER STEP WIDTH 0.205 INCHES NOMINAL
SHOULDER SEAT DIAMETER 2.488 INCHES MINIMUM AND 2.499 INCHES MAXIMUM
TEMP RATING 150.0 DEG FAHRENHEIT MINIMUM AND 425.0 DEG FAHRENHEIT MAXIMUM
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
TEST DATA DOCUMENT 81349-MIL-F-1183 SPECIFICATION
SPECIFICATION/STANDARD DATA 81349-MIL-F-1183/10 GOVERNMENT SPECIFICATION
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-F-1183
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE M1183/10-55N7

Restrictions/Controls & Freight Information | NSN 4730-01-518-0136

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information