PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS14310-12ACap,pipe

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-00-231-2407 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-231-2407 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-231-2407. Primary manufacturer part number: MS14310-12A.
Features
  • Cap,pipe — FSC 4730
  • Material Document and Classification: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Nondefinitive Spec/std Data: A CLASS
  • Nominal Thread Size: 4.000 INCHES INTERNAL IN
  • Thread Series Designator: NPT INTERNAL
  • Connection Style: PLAIN (OPTIONAL END)
  • Style Designator: CAP
  • Nominal Pipe Size for Which Designed: 4.000 INCHES IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy or Copper Alloy 838 Overall construction
General Description

The Cap,pipe, cataloged under National Stock Number 4730-00-231-2407, 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 9 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: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-231-2407
Primary Part NumberMS14310-12A
Item NameCap,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Material Document and ClassificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nondefinitive Spec/std DataA CLASS
Nominal Thread Size4.000 INCHES INTERNAL IN
Thread Series DesignatorNPT INTERNAL
Connection StylePLAIN (OPTIONAL END)
Style DesignatorCAP
Nominal Pipe Size for Which Designed4.000 INCHES IN
MaterialCOPPER ALLOY OR COPPER ALLOY 838 OVERALL
Thread DirectionRIGHT-HAND INTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-053-0266 INTERCHANGEABLE
Elbow,pipe
4730-00-187-7648 INTERCHANGEABLE
Coupling,pipe
4730-00-189-3042 INTERCHANGEABLE
Reducer,pipe
4730-00-189-3044 INTERCHANGEABLE
Reducer,pipe
4730-00-203-8350 INTERCHANGEABLE
Coupling,pipe
4730-00-231-2386 INTERCHANGEABLE
Cap,pipe
4730-00-231-2400 INTERCHANGEABLE
Cap,pipe
4730-00-249-2065 INTERCHANGEABLE
Tee,pipe
4730-00-249-3875 INTERCHANGEABLE
Elbow,pipe
4730-00-249-3882 INTERCHANGEABLE
Elbow,pipe
Cross-Reference Index
Part NumberManufacturer
MS14310-12A Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
WW-P-460 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS14310-12 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
WWP460CLASSA Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
4730-00-053-0266INTERCHANGEABLE
ELBOW,PIPE
4730-00-187-7648INTERCHANGEABLE
COUPLING,PIPE
4730-00-189-3042INTERCHANGEABLE
REDUCER,PIPE
4730-00-189-3044INTERCHANGEABLE
REDUCER,PIPE
4730-00-203-8350INTERCHANGEABLE
COUPLING,PIPE
4730-00-231-2386INTERCHANGEABLE
CAP,PIPE
4730-00-231-2400INTERCHANGEABLE
CAP,PIPE
4730-00-249-2065INTERCHANGEABLE
TEE,PIPE
4730-00-249-3875INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3882INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3895INTERCHANGEABLE
ELBOW,PIPE
4730-00-254-6238INTERCHANGEABLE
TEE,PIPE

Frequently Asked Questions

What is NSN 4730-00-231-2407?

NSN 4730-00-231-2407 is a Cap,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 4730-00-231-2407?

NSN 4730-00-231-2407 has 4 cross-referenced part numbers: MS14310-12A (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), WW-P-460 (Federal Specifications Promulgated by General Services Administration Washington DC), MS14310-12 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), WWP460CLASSA (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 4730-00-231-2407?

There are 12 known substitutes for 4730-00-231-2407: 4730-00-053-0266, 4730-00-187-7648, 4730-00-189-3042 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS14310-12A?

Key specifications for MS14310-12A: Material Document and Classification: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Nondefinitive Spec/std Data: A CLASS; Nominal Thread Size: 4.000 INCHES INTERNAL IN; Thread Series Designator: NPT INTERNAL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-231-2407 still in active supply?

NSN 4730-00-231-2407 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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