PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A5948Adapter,straight,tube to Boss

Stewart Avionics Inc · NSN 4730-00-821-7910 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-821-7910 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-821-7910. Primary manufacturer part number: A5948.
Features
  • Adapter,straight,tube to Boss — FSC 4730
  • Connection Type: THREADED INTERNAL BOSS SECOND END
  • Thread Series Designator: UNEF SECOND END
  • Thread Class: 2A FIRST END A
  • Connection Style: FLARED (TUBE) FIRST END
  • Material: STEEL OVERALL
  • Nominal Thread Size: 0.312 INCHES SECOND END IN
  • Nominal Thread Size: 0.438 INCHES FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-00-821-7910, 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 Stewart Avionics Inc. Government technical data includes 14 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-821-7910
Primary Part NumberA5948
Item NameAdapter,straight,tube to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerStewart Avionics Inc
StatusACTIVE
Connection TypeTHREADED INTERNAL BOSS SECOND END
Thread Series DesignatorUNEF SECOND END
Thread Class2A FIRST END A
Connection StyleFLARED (TUBE) FIRST END
MaterialSTEEL OVERALL
Nominal Thread Size0.312 INCHES SECOND END IN
Nominal Thread Size0.438 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Nominal Overall Length1.562 INCHES IN
Seat Angle37.0 DEGREES FIRST END
Thread Class2B SECOND END
Connection StyleGASKET SEAL (BOSS) SECOND END
Thread Series DesignatorUNF FIRST END
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-00-460-99969040 INTERCHANGEABLE
Transformer,audio Frequency
Artted Co Inc
Cross-Reference Index
Part NumberManufacturer
A5948 PRIMARY Stewart Avionics Inc (USA)
Related Parts
5950-00-460-9996INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
9040

Frequently Asked Questions

What is NSN 4730-00-821-7910?

NSN 4730-00-821-7910 is a Adapter,straight,tube to Boss, manufactured by Stewart Avionics Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-821-7910?

NSN 4730-00-821-7910 has 1 cross-referenced part number: A5948 (Stewart Avionics Inc).

What NSN replaces 4730-00-821-7910?

There is 1 known substitute for 4730-00-821-7910: 5950-00-460-9996. Verify interchangeability with system specifications before substitution.

What are the specifications of A5948?

Key specifications for A5948: Connection Type: THREADED INTERNAL BOSS SECOND END; Thread Series Designator: UNEF SECOND END; Thread Class: 2A FIRST END A; Connection Style: FLARED (TUBE) FIRST END. 14 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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