PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS14303Elbow,pipe

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-00-253-4430 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-253-4430 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-253-4430. Primary manufacturer part number: MS14303.
Features
  • Elbow,pipe — FSC 4730
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Thread Series Designator: NPT ALL ENDS
  • Specification/standard Data: 80204-B16.11 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS14303 GOVERNMENT STANDARD
  • Material: STEEL COMP 1035 OVERALL
  • Flow Angle: 90.0 DEGREES
  • 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 4730-00-253-4430, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 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
NSN4730-00-253-4430
Primary Part NumberMS14303
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
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Thread Series DesignatorNPT ALL ENDS
Specification/standard Data80204-B16.11 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS14303 GOVERNMENT STANDARD
MaterialSTEEL COMP 1035 OVERALL
Flow Angle90.0 DEGREES
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Nondefinitive Spec/std Data1 TYPE AND 2 CLASS
Nominal Thread Size1.000 INCHES ALL ENDS IN
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Connection StylePLAIN (PIPE) ALL ENDS
Leg Length1.750 INCHES NOMINAL ALL ENDS IN
Maximum Operating Temp37.8 CELSIUS SINGLE RESPONSE DEGC
Nominal Pipe Size Accommodated1.000 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-014-6694 INTERCHANGEABLE
Bushing,pipe
4730-00-187-7570 INTERCHANGEABLE
Coupling,pipe
4730-00-187-7575 INTERCHANGEABLE
Coupling,pipe
4730-00-249-3945 INTERCHANGEABLE
Elbow,pipe
4730-00-249-3947 INTERCHANGEABLE
Elbow,pipe
4730-00-249-3948 INTERCHANGEABLE
Elbow,pipe
4730-00-249-3950 INTERCHANGEABLE
Elbow,pipe
4730-00-249-3951 INTERCHANGEABLE
Elbow,pipe
4730-00-249-3952 INTERCHANGEABLE
Elbow,pipe
4730-00-253-4426 INTERCHANGEABLE
Elbow,pipe
Cross-Reference Index
Part NumberManufacturer
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)
MIL-P-18174 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
BM11378-27 Demarkus Corp Refrigeration Engineering Corp (USA)
B16.11 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
981253 Terex Corp (USA)
MS14303-1J16 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
4513K15 Mcmaster-Carr Supply Co (USA)
Related Parts
4730-00-014-6694INTERCHANGEABLE
BUSHING,PIPE
4730-00-187-7570INTERCHANGEABLE
COUPLING,PIPE
4730-00-187-7575INTERCHANGEABLE
COUPLING,PIPE
4730-00-249-3945INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3947INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3948INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3950INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3951INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3952INTERCHANGEABLE
ELBOW,PIPE
4730-00-253-4426INTERCHANGEABLE
ELBOW,PIPE
4730-00-253-4427INTERCHANGEABLE
ELBOW,PIPE
4730-00-253-4431INTERCHANGEABLE
ELBOW,PIPE

Frequently Asked Questions

What is NSN 4730-00-253-4430?

NSN 4730-00-253-4430 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 4730-00-253-4430?

NSN 4730-00-253-4430 has 8 cross-referenced part numbers: 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), MIL-P-18174 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), BM11378-27 (Demarkus Corp Refrigeration Engineering Corp), B16.11 (American National Standards Institute Incorporated Dba American National Standards Institute) and 3 more.

What NSN replaces 4730-00-253-4430?

There are 12 known substitutes for 4730-00-253-4430: 4730-00-014-6694, 4730-00-187-7570, 4730-00-187-7575 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS14303?

Key specifications for MS14303: Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Thread Series Designator: NPT ALL ENDS; Specification/standard Data: 80204-B16.11 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS14303 GOVERNMENT STANDARD. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-253-4430 still in active supply?

NSN 4730-00-253-4430 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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