PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS14303-5AQVElbow,pipe

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-00-253-4429 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-253-4429 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-253-4429. Primary manufacturer part number: MS14303-5AQV.
Features
  • Elbow,pipe — FSC 4730
  • Nominal Thread Size: 0.750 INCHES ALL ENDS IN
  • Nondefinitive Spec/std Data: 1 TYPE AND 2 CLASS
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 1035 OVERALL
  • Flow Angle: 90.0 DEGREES
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 1035 Overall construction
General Description

The Elbow,pipe, cataloged under National Stock Number 4730-00-253-4429, 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 Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-253-4429
Primary Part NumberMS14303-5AQV
Item NameElbow,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Nominal Thread Size0.750 INCHES ALL ENDS IN
Nondefinitive Spec/std Data1 TYPE AND 2 CLASS
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 1035 OVERALL
Flow Angle90.0 DEGREES
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Thread Series DesignatorNPT ALL ENDS
Nominal Pipe Size Accommodated0.750 INCHES ALL ENDS IN
Connection StylePLAIN (PIPE) ALL ENDS
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Leg Length1.500 INCHES NOMINAL ALL ENDS IN
Maximum Operating Temp37.8 CELSIUS SINGLE RESPONSE DEGC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
4730-00-249-3949 INTERCHANGEABLE
Elbow,pipe
4730-00-253-4428 INTERCHANGEABLE
Elbow,pipe
3110-01-191-4271N38034 INTERCHANGEABLE
Bearing,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5930-01-497-063938034 INTERCHANGEABLE
Switch,reed
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
MS14303-5AQV Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
BM11352-133 Demarkus Corp Refrigeration Engineering Corp (USA)
MS14303 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
ASME-B16.11 The American Society of Mechanical Engineers (USA)
ASME B16.11 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
BM11352-64 Demarkus Corp Refrigeration Engineering Corp (USA)
MILP18174TYPE1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5740 3-4IN The Walworth Company (USA)
233 Flowserve Inc (USA)
MS14303-1J12 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
380-3-4 Crane Co Div Valve Div (USA)
380-3-4 Chicago Pneumatic Tool Co (USA)
380-3-4 Chicago Pneumatic Tool Co (USA)
Related Parts
4730-00-249-3949INTERCHANGEABLE
ELBOW,PIPE
4730-00-253-4428INTERCHANGEABLE
ELBOW,PIPE
3110-01-191-4271INTERCHANGEABLE
BEARING,VALVE
N38034
5930-01-497-0639INTERCHANGEABLE
SWITCH,REED
38034

Frequently Asked Questions

What is NSN 4730-00-253-4429?

NSN 4730-00-253-4429 is a Elbow,pipe, manufactured by Military Standards Promulgated by Military Departments 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 4730-00-253-4429?

NSN 4730-00-253-4429 has 13 cross-referenced part numbers: MS14303-5AQV (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), BM11352-133 (Demarkus Corp Refrigeration Engineering Corp), MS14303 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), ASME-B16.11 (The American Society of Mechanical Engineers), ASME B16.11 (American National Standards Institute Incorporated Dba American National Standards Institute) and 8 more.

What NSN replaces 4730-00-253-4429?

There are 4 known substitutes for 4730-00-253-4429: 4730-00-249-3949, 4730-00-253-4428, 3110-01-191-4271 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS14303-5AQV?

Key specifications for MS14303-5AQV: Nominal Thread Size: 0.750 INCHES ALL ENDS IN; Nondefinitive Spec/std Data: 1 TYPE AND 2 CLASS; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 1035 OVERALL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-253-4429 still in active supply?

NSN 4730-00-253-4429 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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