PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

48-4AAdapter,straight,pipe to Tube

Fairview Fittings Inc · NSN 4730-01-481-9121 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-481-9121 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-481-9121. Primary manufacturer part number: 48-4A.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN
  • Connection Style: FLARED (TUBE) FIRST END
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Nominal Pipe Size Accommodated: 0.125 INCHES SECOND END IN
  • Connection Style: PLAIN (PIPE) SECOND END
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Seat Angle: 45.0 DEGREES FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-481-9121, 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 Fairview Fittings Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-481-9121
Primary Part Number48-4A
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFairview Fittings Inc
StatusACTIVE
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Connection StyleFLARED (TUBE) FIRST END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Nominal Pipe Size Accommodated0.125 INCHES SECOND END IN
Connection StylePLAIN (PIPE) SECOND END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Seat Angle45.0 DEGREES FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6625-00-055-5348 INTERCHANGEABLE
Voltmeter
4730-00-248-9351 INTERCHANGEABLE
Union,pipe
5805-01-255-4015 INTERCHANGEABLE
Telephone Circuit,trunk Relay
Cross-Reference Index
Part NumberManufacturer
48-4A PRIMARY Fairview Fittings Inc (USA)
Related Parts
6625-00-055-5348INTERCHANGEABLE
VOLTMETER
4730-00-248-9351INTERCHANGEABLE
UNION,PIPE
5805-01-255-4015INTERCHANGEABLE
TELEPHONE CIRCUIT,TRUNK RELAY

Frequently Asked Questions

What is NSN 4730-01-481-9121?

NSN 4730-01-481-9121 is a Adapter,straight,pipe to Tube, manufactured by Fairview Fittings Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-481-9121?

NSN 4730-01-481-9121 has 1 cross-referenced part number: 48-4A (Fairview Fittings Inc).

What NSN replaces 4730-01-481-9121?

There are 3 known substitutes for 4730-01-481-9121: 6625-00-055-5348, 4730-00-248-9351, 5805-01-255-4015. Verify interchangeability with system specifications before substitution.

What are the specifications of 48-4A?

Key specifications for 48-4A: Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN; Connection Style: FLARED (TUBE) FIRST END; Connection Type: THREADED EXTERNAL PIPE SECOND END; Nominal Pipe Size Accommodated: 0.125 INCHES SECOND END IN. 9 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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