PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SAE J514-3 6-4 140139SReducer,pipe

Sae International Dba Sae International · NSN 4730-00-087-4811 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-087-4811 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-087-4811. Primary manufacturer part number: SAE J514-3 6-4 140139S.
Features
  • Reducer,pipe — FSC 4730
  • Nominal Thread Size: 0.250 INCHES SECOND END IN
  • Connection Style: PLAIN (PIPE) FIRST END
  • Nominal Thread Size: 0.375 INCHES FIRST END IN
  • Connection Style: PLAIN (PIPE) SECOND END
  • Surface Treatment: PASSIVATE OVERALL
  • Reducer Type: CONCENTRIC
  • Nominal Overall Length: 1.440 INCHES IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Reducer,pipe, cataloged under National Stock Number 4730-00-087-4811, 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 Sae International Dba Sae International. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 28 commercial cross-references from 17 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-087-4811
Primary Part NumberSAE J514-3 6-4 140139S
Item NameReducer,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Nominal Thread Size0.250 INCHES SECOND END IN
Connection StylePLAIN (PIPE) FIRST END
Nominal Thread Size0.375 INCHES FIRST END IN
Connection StylePLAIN (PIPE) SECOND END
Surface TreatmentPASSIVATE OVERALL
Reducer TypeCONCENTRIC
Nominal Overall Length1.440 INCHES IN
Thread Series DesignatorNPTF ALL ENDS
Nondefinitive Spec/std Data40 FIGURE
Specification/standard Data81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL CORROSION RESISTING OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
1270-00-830-6994875291 INTERCHANGEABLE
Lamp Assembly
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4730-01-061-59303/8X1/4FG-SS INTERCHANGEABLE
Reducer,pipe
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
5950-01-097-9528SM-C-413795 INTERCHANGEABLE
Reactor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4730-01-187-2121 INTERCHANGEABLE
Reducer,special
4730-01-372-9700SS-8-RA-6 INTERCHANGEABLE
Reducer,pipe
Swagelok Co
Cross-Reference Index
Part NumberManufacturer
875291-00 Defense Reduction Agency (USA)
SS-6-RA-4 Cajon Co (USA)
123471-1 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
4-6-12PC Jm Fittings, Llc Dba L & L Fittings Mfg (USA)
SAE J514-3 6-4 140139S PRIMARY Sae International Dba Sae International (USA)
J514 Society of Automotive Engineers Inc (USA)
J514 6-4 140139S Society of Automotive Engineers Inc (USA)
6303378 Naval Sea Systems Command (USA)
802027299906-1 Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division (USA)
0201-6-4C Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division (USA)
SAE-J514 Sae International Dba Sae International (USA)
875291 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
SAE J514 6-4 140139S Sae International Dba Sae International (USA)
SAE-J514-3 Sae International Dba Sae International (USA)
SS-6-RA-4 Swagelok Co (USA)
875291 Jm Fittings, Llc Dba L & L Fittings Mfg (USA)
4-612PC Jm Fittings, Llc Dba L & L Fittings Mfg (USA)
J514 Sae International Dba Sae International (USA)
J514 6-4 140139S Sae International Dba Sae International (USA)
1756274 Naval Ship Systems Command (USA)
Related Parts
1270-00-830-6994INTERCHANGEABLE
LAMP ASSEMBLY
875291
4730-01-061-5930INTERCHANGEABLE
REDUCER,PIPE
3/8X1/4FG-SS
5950-01-097-9528INTERCHANGEABLE
REACTOR
SM-C-413795
4730-01-187-2121INTERCHANGEABLE
REDUCER,SPECIAL
4730-01-372-9700INTERCHANGEABLE
REDUCER,PIPE
SS-8-RA-6

Frequently Asked Questions

What is NSN 4730-00-087-4811?

NSN 4730-00-087-4811 is a Reducer,pipe, manufactured by Sae International Dba Sae International, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-087-4811?

NSN 4730-00-087-4811 has 28 cross-referenced part numbers: 875291-00 (Defense Reduction Agency), SS-6-RA-4 (Cajon Co), 123471-1 (L3harris Technologies, Inc. Div Space and Airborne Systems), 4-6-12PC (Jm Fittings, Llc Dba L & L Fittings Mfg), SAE J514-3 6-4 140139S (Sae International Dba Sae International) and 23 more.

What NSN replaces 4730-00-087-4811?

There are 5 known substitutes for 4730-00-087-4811: 1270-00-830-6994, 4730-01-061-5930, 5950-01-097-9528 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SAE J514-3 6-4 140139S?

Key specifications for SAE J514-3 6-4 140139S: Nominal Thread Size: 0.250 INCHES SECOND END IN; Connection Style: PLAIN (PIPE) FIRST END; Nominal Thread Size: 0.375 INCHES FIRST END IN; Connection Style: PLAIN (PIPE) SECOND END. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-087-4811 still in active supply?

NSN 4730-00-087-4811 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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