PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6534D658-9Reducer,tube

Naval Air Warfare Center Aircraft Division Joint Base Jbmdl · NSN 4730-01-399-1067 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-399-1067 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-399-1067. Primary manufacturer part number: 6534D658-9.
Features
  • Reducer,tube — FSC 4730
  • Connection Style: SOCKET (TUBE) FIRST END
  • Thread Quantity Per Inch: 12 SECOND END
  • Connection Type: THREADED EXTERNAL TUBE SECOND END
  • Connection Type: THREADED INTERNAL TUBE FIRST END
  • Nominal Thread Size: 1.250 INCHES FIRST END IN
  • Nominal Overall Length: 1.062 INCHES IN
  • Seat Angle: 12.0 DEGREES SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 304 or Steel Comp 316 Overall construction
General Description

The Reducer,tube, cataloged under National Stock Number 4730-01-399-1067, 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 Air Warfare Center Aircraft Division Joint Base Jbmdl. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, 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
NSN4730-01-399-1067
Primary Part Number6534D658-9
Item NameReducer,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNaval Air Warfare Center Aircraft Division Joint Base Jbmdl
StatusACTIVE
Connection StyleSOCKET (TUBE) FIRST END
Thread Quantity Per Inch12 SECOND END
Connection TypeTHREADED EXTERNAL TUBE SECOND END
Connection TypeTHREADED INTERNAL TUBE FIRST END
Nominal Thread Size1.250 INCHES FIRST END IN
Nominal Overall Length1.062 INCHES IN
Seat Angle12.0 DEGREES SECOND END
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Outside Diameter Tube Accommodated0.750 INCHES SECOND END IN
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL COMP 304 OR STEEL COMP 316 OVERALL
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Media for Which DesignedHYDRAULIC FLUID SINGLE RESPONSE
Thread Series DesignatorUN SECOND END
Connection StyleFLARELESS (TUBE) SECOND END
Thread Class3A SECOND END A
Nominal Outside Diameter Tube Accommodated1.041 INCHES FIRST END IN
Reducer TypeCONCENTRIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-161-144061259 INTERCHANGEABLE
Kit Packing Win
Paccar Winch Inc Dba Paccar Winch Division
5945-00-258-3432 INTERCHANGEABLE
Relay,electromagnetic
5340-01-486-3328 INTERCHANGEABLE
Bumper Rear Lh
Cross-Reference Index
Part NumberManufacturer
6125-9 Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging (USA)
6534D658-9 PRIMARY Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
6534D658-9 Indal Technologies Inc (CAN)
013991067 Hydrasearch Company, Llc (USA)
Related Parts
5330-00-161-1440INTERCHANGEABLE
KIT PACKING WIN
61259
5945-00-258-3432INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5340-01-486-3328INTERCHANGEABLE
BUMPER REAR LH

Frequently Asked Questions

What is NSN 4730-01-399-1067?

NSN 4730-01-399-1067 is a Reducer,tube, manufactured by Naval Air Warfare Center Aircraft Division Joint Base Jbmdl, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-399-1067?

NSN 4730-01-399-1067 has 4 cross-referenced part numbers: 6125-9 (Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging), 6534D658-9 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl), 6534D658-9 (Indal Technologies Inc), 013991067 (Hydrasearch Company, Llc).

What NSN replaces 4730-01-399-1067?

There are 3 known substitutes for 4730-01-399-1067: 5330-00-161-1440, 5945-00-258-3432, 5340-01-486-3328. Verify interchangeability with system specifications before substitution.

What are the specifications of 6534D658-9?

Key specifications for 6534D658-9: Connection Style: SOCKET (TUBE) FIRST END; Thread Quantity Per Inch: 12 SECOND END; Connection Type: THREADED EXTERNAL TUBE SECOND END; Connection Type: THREADED INTERNAL TUBE FIRST END. 19 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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