PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-1183/5Elbow,pipe

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-00-278-0134 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-278-0134 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-278-0134. Primary manufacturer part number: MIL-DTL-1183/5.
Features
  • Elbow,pipe — FSC 4730
  • Material: COPPER ALLOY OVERALL
  • Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Media for Which Designed: STEAM SINGLE RESPONSE
  • Leg Length: 3.460 INCHES NOMINAL ALL ENDS IN
  • Maximum Operating Temp: 260.0 CELSIUS SINGLE RESPONSE DEGC
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
  • Specification/standard Data: 81349-MIL-F-1183J GOVERNMENT SPECIFICATION
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Elbow,pipe, cataloged under National Stock Number 4730-00-278-0134, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-278-0134
Primary Part NumberMIL-DTL-1183/5
Item NameElbow,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which DesignedSTEAM SINGLE RESPONSE
Leg Length3.460 INCHES NOMINAL ALL ENDS IN
Maximum Operating Temp260.0 CELSIUS SINGLE RESPONSE DEGC
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Specification/standard Data81349-MIL-F-1183J GOVERNMENT SPECIFICATION
Nominal Pipe Size Accommodated6.000 INCHES ALL ENDS IN
Connection StyleSTREAMLINED W/ ONE BRAZING RING (PIPE) ALL ENDS
Nondefinitive Spec/std Data1 FIGURE
Flow Angle45.0 DEGREES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5961-00-173-3433D8197CJ INTERCHANGEABLE
Semiconductor Device,diode
Microsemi Corp-Colorado
5315-00-241-2931 INTERCHANGEABLE
Pin,straight,headless
2530-00-846-2379 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
6720-00-996-075936076 INTERCHANGEABLE
Retainer,focusing H
Bosch Security Systems, Llc
5130-01-551-755036-076 INTERCHANGEABLE
Blade,reciprocating Saw
Ideal Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-1183/5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CS4730-0120A31GLPQ Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
M1183/5-34A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-1183/5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
3607-6 The Walworth Company (USA)
Related Parts
5961-00-173-3433INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
D8197CJ
5315-00-241-2931INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
2530-00-846-2379INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
6720-00-996-0759INTERCHANGEABLE
RETAINER,FOCUSING H
36076
5130-01-551-7550INTERCHANGEABLE
BLADE,RECIPROCATING SAW
36-076

Frequently Asked Questions

What is NSN 4730-00-278-0134?

NSN 4730-00-278-0134 is a Elbow,pipe, 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 4730-00-278-0134?

NSN 4730-00-278-0134 has 5 cross-referenced part numbers: MIL-DTL-1183/5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CS4730-0120A31GLPQ (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), M1183/5-34A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-F-1183/5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 3607-6 (The Walworth Company).

What NSN replaces 4730-00-278-0134?

There are 5 known substitutes for 4730-00-278-0134: 5961-00-173-3433, 5315-00-241-2931, 2530-00-846-2379 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-1183/5?

Key specifications for MIL-DTL-1183/5: Material: COPPER ALLOY OVERALL; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Media for Which Designed: STEAM SINGLE RESPONSE; Leg Length: 3.460 INCHES NOMINAL ALL ENDS IN. 11 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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