PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-1183/11Elbow,tube

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-00-542-5275 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-542-5275 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-542-5275. Primary manufacturer part number: MIL-DTL-1183/11.
Features
  • Elbow,tube — FSC 4730
  • Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
  • Flow Angle: 45.0 DEGREES
  • Furnished Items and Quantity: 2 BRAZING RING
  • Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
  • Leg Length: 2.188 INCHES NOMINAL FIRST END IN
  • Maximum Operating Temp: 150.0 FAHRENHEIT SECOND RESPONSE DEGF
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy 922 Overall construction
General Description

The Elbow,tube, cataloged under National Stock Number 4730-00-542-5275, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-542-5275
Primary Part NumberMIL-DTL-1183/11
Item NameElbow,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Operating Pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Flow Angle45.0 DEGREES
Furnished Items and Quantity2 BRAZING RING
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Leg Length2.188 INCHES NOMINAL FIRST END IN
Maximum Operating Temp150.0 FAHRENHEIT SECOND RESPONSE DEGF
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Maximum Operating Temp425.0 FAHRENHEIT FIRST RESPONSE DEGF
Connection StyleSOCKET W/ GROVE (PIPE) ALL ENDS
Nominal Pipe Size Accommodated0.750 INCHES ALL ENDS IN
Leg Length1.125 INCHES NOMINAL SECOND END IN
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Specification/standard Data81349-MIL-F-1183J GOVERNMENT SPECIFICATION
MaterialCOPPER ALLOY 922 OVERALL
Material Document and ClassificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Media for Which DesignedSTEAM FIRST RESPONSE
Nondefinitive Spec/std Data14 SIZE AND ASSJCE3 STYLE
Union Joint LocationFIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-277-7921 INTERCHANGEABLE
Elbow,tube
4730-00-542-5205 INTERCHANGEABLE
Elbow,tube
4730-00-542-5206 INTERCHANGEABLE
Elbow,tube
4730-00-542-5207 INTERCHANGEABLE
Elbow,tube
4730-00-542-5209 INTERCHANGEABLE
Elbow,pipe
4730-00-542-5210 INTERCHANGEABLE
Elbow,tube
4730-00-542-5211 INTERCHANGEABLE
Elbow,tube
4730-00-542-5213 INTERCHANGEABLE
Elbow,pipe
4730-00-542-5214 INTERCHANGEABLE
Elbow,tube
4730-00-542-5215 INTERCHANGEABLE
Elbow,pipe
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-1183/11 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-1183/11 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CS4730-0120A52ELPQ Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
M1183/11-14A3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-277-7921INTERCHANGEABLE
ELBOW,TUBE
4730-00-542-5205INTERCHANGEABLE
ELBOW,TUBE
4730-00-542-5206INTERCHANGEABLE
ELBOW,TUBE
4730-00-542-5207INTERCHANGEABLE
ELBOW,TUBE
4730-00-542-5209INTERCHANGEABLE
ELBOW,PIPE
4730-00-542-5210INTERCHANGEABLE
ELBOW,TUBE
4730-00-542-5211INTERCHANGEABLE
ELBOW,TUBE
4730-00-542-5213INTERCHANGEABLE
ELBOW,PIPE
4730-00-542-5214INTERCHANGEABLE
ELBOW,TUBE
4730-00-542-5215INTERCHANGEABLE
ELBOW,PIPE
4730-00-542-5216INTERCHANGEABLE
ELBOW,TUBE
4730-01-032-6941INTERCHANGEABLE
RING,NUT,TUBE COUPLING

Frequently Asked Questions

What is NSN 4730-00-542-5275?

NSN 4730-00-542-5275 is a Elbow,tube, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-542-5275?

NSN 4730-00-542-5275 has 4 cross-referenced part numbers: MIL-DTL-1183/11 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-F-1183/11 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CS4730-0120A52ELPQ (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), M1183/11-14A3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-00-542-5275?

There are 12 known substitutes for 4730-00-542-5275: 4730-00-277-7921, 4730-00-542-5205, 4730-00-542-5206 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-1183/11?

Key specifications for MIL-DTL-1183/11: Special Features: ORING AND RET RING INSTALLED; Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS; Flow Angle: 45.0 DEGREES; Furnished Items and Quantity: 2 BRAZING RING. 19 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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