PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-1689SSTee,tube to Boss

Bearings Inc Dees Fluid Power Div · NSN 4730-00-948-0411 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-948-0411 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-948-0411. Primary manufacturer part number: A-1689SS.
Features
  • Tee,tube to Boss — FSC 4730
  • Nominal Thread Size: 0.562 INCHES FIRST END IN
  • Connection Type: THREADED EXTERNAL BOSS SECOND END
  • Nominal Thread Size: 0.562 INCHES THIRD END IN
  • Leg Length: 1.031 INCHES NOMINAL FIRST END IN
  • Connection Style: FLARED (TUBE) FIRST END
  • Nominal Thread Size: 0.562 INCHES SECOND END IN
  • Thread Class: 3A FIRST END A
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Tee,tube to Boss, cataloged under National Stock Number 4730-00-948-0411, 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 Bearings Inc Dees Fluid Power Div. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-948-0411
Primary Part NumberA-1689SS
Item NameTee,tube to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerBearings Inc Dees Fluid Power Div
StatusACTIVE
Nominal Thread Size0.562 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL BOSS SECOND END
Nominal Thread Size0.562 INCHES THIRD END IN
Leg Length1.031 INCHES NOMINAL FIRST END IN
Connection StyleFLARED (TUBE) FIRST END
Nominal Thread Size0.562 INCHES SECOND END IN
Thread Class3A FIRST END A
Seat Angle37.0 DEGREES FIRST END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Thread Quantity Per Inch18 THIRD END
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
Thread Series DesignatorUNF FIRST END
Furnished Items and Quantity1 GASKET AND 1 LOCKNUT AND 1 FLAT WASHER
Thread Series DesignatorUNF THIRD END
Thread Series DesignatorUNF SECOND END
MaterialSTEEL CORROSION RESISTING OVERALL
Nominal Outside Diameter Tube Accommodated0.375 INCHES THIRD END IN
Connection TypeTHREADED INTERNAL TUBE THIRD END
Connection StyleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END THIRD END
Connection StyleDOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) SECOND END
Thread Class3B THIRD END
Seat Angle37.0 DEGREES THIRD END
Thread Class3A SECOND END A
Leg Length1.250 INCHES NOMINAL THIRD END IN
Leg Length1.234 INCHES NOMINAL SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5325-00-200-35488B6999 INTERCHANGEABLE
Ring,retaining
Caterpillar Inc Div Caterpillar Defense
2530-00-753-9157A1689 INTERCHANGEABLE
Hub and Drum Assembly,wheel
Am General Llc
Cross-Reference Index
Part NumberManufacturer
A-1689SS Bearings Inc Dees Fluid Power Div (USA)
59A62C63 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
A1689 Bearings Inc Dees Fluid Power Div (USA)
9480411 Classic Mfg (USA)
Related Parts
5325-00-200-3548INTERCHANGEABLE
RING,RETAINING
8B6999
2530-00-753-9157INTERCHANGEABLE
HUB AND DRUM ASSEMBLY,WHEEL
A1689

Frequently Asked Questions

What is NSN 4730-00-948-0411?

NSN 4730-00-948-0411 is a Tee,tube to Boss, manufactured by Bearings Inc Dees Fluid Power Div, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-948-0411?

NSN 4730-00-948-0411 has 4 cross-referenced part numbers: A-1689SS (Bearings Inc Dees Fluid Power Div), 59A62C63 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), A1689 (Bearings Inc Dees Fluid Power Div), 9480411 (Classic Mfg).

What NSN replaces 4730-00-948-0411?

There are 2 known substitutes for 4730-00-948-0411: 5325-00-200-3548, 2530-00-753-9157. Verify interchangeability with system specifications before substitution.

What are the specifications of A-1689SS?

Key specifications for A-1689SS: Nominal Thread Size: 0.562 INCHES FIRST END IN; Connection Type: THREADED EXTERNAL BOSS SECOND END; Nominal Thread Size: 0.562 INCHES THIRD END IN; Leg Length: 1.031 INCHES NOMINAL FIRST END IN. 25 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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