PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51501A8SNipple,tube

Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division · NSN 4730-00-066-0142 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-066-0142 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-066-0142. Primary manufacturer part number: MS51501A8S.
Features
  • Nipple,tube — FSC 4730
  • Seat Angle: 37.0 DEGREES ALL ENDS
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Leg Length: 0.657 INCHES NOMINAL FIRST END IN
  • Connection Style: FLARED (TUBE) ALL ENDS
  • Maximum Operating Temp: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Media for Which Designed: HYDRAULIC FLUID SINGLE RESPONSE
  • Material: STEEL CORROSION RESISTING OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Nipple,tube, cataloged under National Stock Number 4730-00-066-0142, 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 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 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
NSN4730-00-066-0142
Primary Part NumberMS51501A8S
Item NameNipple,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
StatusCANCELLED
Seat Angle37.0 DEGREES ALL ENDS
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Leg Length0.657 INCHES NOMINAL FIRST END IN
Connection StyleFLARED (TUBE) ALL ENDS
Maximum Operating Temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
Media for Which DesignedHYDRAULIC FLUID SINGLE RESPONSE
MaterialSTEEL CORROSION RESISTING OVERALL
Thread Class2A ALL ENDS A
Surface Treatment Document and ClassificationQQ-P-35,TYPE 1 OR 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Furnished Items and Quantity2 FLARED SLEEVE AND 2 SHORT COUPLING NUT
Surface TreatmentPASSIVATE OVERALL
Thread Series DesignatorUNF ALL ENDS
Style DesignatorFLARED W/ CENTER WRENCHING FACILITY
Material Document and Classification66,300 SERIES FED STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Outside Diameter Tube Accommodated0.500 INCHES ALL ENDS IN
Nominal Thread Size0.750 INCHES ALL ENDS IN
Specification/standard Data96906-MS51501 GOVERNMENT STANDARD
Nominal Overall Length1.625 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
2910-00-521-47651521553 INTERCHANGEABLE
Hair Fuel Pump Filt
Napco International Llc Dba Napco International Inc
1560-00-671-8976353178 INTERCHANGEABLE
Hook Assembly,jato Pallet
Lockheed Martin Corp
4730-01-491-8734 INTERCHANGEABLE
Nipple,boss
4730-01-535-1488 INTERCHANGEABLE
Nipple,tube
Cross-Reference Index
Part NumberManufacturer
MS51501A8S Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
MS51501A8S Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
MS51501A8S Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
MS51501B8S Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
8HBTXSS Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
MS51501A8S Lube Devices Inc Flodar Fluid Power Fittings Div (USA)
MS51501A8S Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
35317-8 Dana Corp Weatherhead Div (USA)
MS51501A8S Imperial (USA)
MS51501A8S L and L Mfg Co (USA)
Related Parts
2910-00-521-4765INTERCHANGEABLE
HAIR FUEL PUMP FILT
1521553
1560-00-671-8976INTERCHANGEABLE
HOOK ASSEMBLY,JATO PALLET
353178
4730-01-491-8734INTERCHANGEABLE
NIPPLE,BOSS
4730-01-535-1488INTERCHANGEABLE
NIPPLE,TUBE

Frequently Asked Questions

What is NSN 4730-00-066-0142?

NSN 4730-00-066-0142 is a Nipple,tube, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-066-0142?

NSN 4730-00-066-0142 has 10 cross-referenced part numbers: MS51501A8S (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), MS51501A8S (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), MS51501A8S (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), MS51501B8S (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 8HBTXSS (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters) and 5 more.

What NSN replaces 4730-00-066-0142?

There are 4 known substitutes for 4730-00-066-0142: 2910-00-521-4765, 1560-00-671-8976, 4730-01-491-8734 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51501A8S?

Key specifications for MS51501A8S: Seat Angle: 37.0 DEGREES ALL ENDS; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Leg Length: 0.657 INCHES NOMINAL FIRST END IN; Connection Style: FLARED (TUBE) ALL ENDS. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-066-0142 still in active supply?

NSN 4730-00-066-0142 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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