PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-1183/11Ring,nut,tube Coupling

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-01-032-6941 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-032-6941 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-032-6941. Primary manufacturer part number: MIL-DTL-1183/11.
Features
  • Ring,nut,tube Coupling — FSC 4730
  • Nondefinitive Spec/std Data: 3,FIG 9, 3/8 IN. PIPE SIZE; -1183/11 TABLE IN
  • Material: COPPER ALLOY
  • 5 verified cross-references
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Fluid conveyance
  • Hydraulic system plumbing
General Description

The Ring,nut,tube Coupling, cataloged under National Stock Number 4730-01-032-6941, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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: Cancelled.

Technical Specifications
ParameterValue
NSN4730-01-032-6941
Primary Part NumberMIL-DTL-1183/11
Item NameRing,nut,tube Coupling
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Nondefinitive Spec/std Data3,FIG 9, 3/8 IN. PIPE SIZE; -1183/11 TABLE IN
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusCANCELLED
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
M1183/11-TBL3-FIG9-3/8IN PIPE 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
861191-2 Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd. (CAN)
MIL-F-1183 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
4730-00-542-5275INTERCHANGEABLE
ELBOW,TUBE

Frequently Asked Questions

What is NSN 4730-01-032-6941?

NSN 4730-01-032-6941 is a Ring,nut,tube Coupling, 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: cancelled.

What are the part numbers for NSN 4730-01-032-6941?

NSN 4730-01-032-6941 has 5 cross-referenced part numbers: MIL-DTL-1183/11 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M1183/11-TBL3-FIG9-3/8IN PIPE (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), 861191-2 (Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd.), MIL-F-1183 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-01-032-6941?

There are 12 known substitutes for 4730-01-032-6941: 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: Nondefinitive Spec/std Data: 3,FIG 9, 3/8 IN. PIPE SIZE; -1183/11 TABLE IN; Material: COPPER ALLOY. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-01-032-6941 still in active supply?

NSN 4730-01-032-6941 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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