PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7648176-1Adapter,straight,pipe to Boss

Naval Sea Systems Command · NSN 4730-01-543-6994 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-543-6994 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-543-6994. Primary manufacturer part number: 7648176-1.
Features
  • Adapter,straight,pipe to Boss — FSC 4730
  • Operating Pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Thread Class: 2A SECOND END A
  • Nominal Thread Size: 0.125 INCHES FIRST END IN
  • Nominal Overall Length: 1.070 INCHES IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Media for Which Designed: HYDRAULIC FLUID FIRST RESPONSE
  • Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Adapter,straight,pipe to Boss, cataloged under National Stock Number 4730-01-543-6994, 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 Naval Sea Systems Command. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-543-6994
Primary Part Number7648176-1
Item NameAdapter,straight,pipe to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Operating Pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Class2A SECOND END A
Nominal Thread Size0.125 INCHES FIRST END IN
Nominal Overall Length1.070 INCHES IN
MaterialSTEEL CORROSION RESISTING OVERALL
Media for Which DesignedHYDRAULIC FLUID FIRST RESPONSE
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Thread Series DesignatorUNF SECOND END
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
Nominal Thread Size0.562 INCHES SECOND END IN
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Thread Series DesignatorNPT FIRST END
Connection StylePLAIN (PIPE) FIRST END
Pipe Wall Thickness Designation for Which DesignedSTANDARD FIRST END
Connection TypeTHREADED EXTERNAL BOSS SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-240-97792412259-1 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
FF2031T-1-0402-259 Danfoss Power Solutions II, Llc (USA)
S4C Ssp Fittings Corp (USA)
7648176-1 PRIMARY Naval Sea Systems Command (USA)
Related Parts
3110-00-240-9779INTERCHANGEABLE
BEARING,BALL,ANNULAR
2412259-1

Frequently Asked Questions

What is NSN 4730-01-543-6994?

NSN 4730-01-543-6994 is a Adapter,straight,pipe to Boss, manufactured by Naval Sea Systems Command, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-543-6994?

NSN 4730-01-543-6994 has 3 cross-referenced part numbers: FF2031T-1-0402-259 (Danfoss Power Solutions II, Llc), S4C (Ssp Fittings Corp), 7648176-1 (Naval Sea Systems Command).

What NSN replaces 4730-01-543-6994?

There is 1 known substitute for 4730-01-543-6994: 3110-00-240-9779. Verify interchangeability with system specifications before substitution.

What are the specifications of 7648176-1?

Key specifications for 7648176-1: Operating Pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Thread Class: 2A SECOND END A; Nominal Thread Size: 0.125 INCHES FIRST END IN; Nominal Overall Length: 1.070 INCHES IN. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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