PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20634-12-12-NAL1Adapter,straight,tube to Hose

Naval Inventory Control Point Mechanicsburg · NSN 4730-00-070-1254 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-070-1254 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-070-1254. Primary manufacturer part number: 20634-12-12-NAL1.
Features
  • Adapter,straight,tube to Hose — FSC 4730
  • Nondefinitive Spec/std Data: 2 CLASS AND 12-12 SIZE AND A TYPE
  • Criticality Code Justification: ZZZY
  • Nominal Inside Diameter Hose Accommodated: 0.750 INCHES SECOND END IN
  • Material Document and Classification: QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Seat Angle: 37.0 DEGREES FIRST END
  • Thread Series Designator: UN FIRST END
  • Thread Class: 2B FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Nickel Alloy a Overall construction
General Description

The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-00-070-1254, 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 Inventory Control Point Mechanicsburg. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-070-1254
Primary Part Number20634-12-12-NAL1
Item NameAdapter,straight,tube to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusCANCELLED
Nondefinitive Spec/std Data2 CLASS AND 12-12 SIZE AND A TYPE
Criticality Code JustificationZZZY
Nominal Inside Diameter Hose Accommodated0.750 INCHES SECOND END IN
Material Document and ClassificationQQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Seat Angle37.0 DEGREES FIRST END
Thread Series DesignatorUN FIRST END
Thread Class2B FIRST END
Nominal Thread Size1.062 INCHES FIRST END IN
MaterialNICKEL ALLOY A OVERALL
Connection StylePLAIN (HOSE) SECOND END
Nominal Outside Diameter Tube Accommodated0.750 INCHES FIRST END IN
Nominal Overall Length3.860 INCHES IN
Thread Quantity Per Inch12 FIRST END
Connection StyleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
Reference Number Differentiating CharacteristicsQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
Furnished Items and Quantity1 SOCKET
Special Test FeaturesQUALITY CONTROLLED IN ACCORDANCE WITH NAVY LEVEL 1 ASSURANCE GUIDE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4730-01-194-68134-4730-12 INTERCHANGEABLE
Adapter,straight,tube to Hose
Hydrasearch Company, Llc
Cross-Reference Index
Part NumberManufacturer
20634-12-12-NAL1 Naval Inventory Control Point Mechanicsburg (USA)
4-4730-12 Danfoss Power Solutions II, Llc (USA)
20634-12-12-NA Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
MILH24135 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
4-4730-12L1 Naval Inventory Control Point Mechanicsburg (USA)
20634-12-12ML1 Naval Inventory Control Point Mechanicsburg (USA)
20634-12-12M Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
Related Parts
4730-01-194-6813INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4-4730-12

Frequently Asked Questions

What is NSN 4730-00-070-1254?

NSN 4730-00-070-1254 is a Adapter,straight,tube to Hose, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-070-1254?

NSN 4730-00-070-1254 has 7 cross-referenced part numbers: 20634-12-12-NAL1 (Naval Inventory Control Point Mechanicsburg), 4-4730-12 (Danfoss Power Solutions II, Llc), 20634-12-12-NA (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), MILH24135 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 4-4730-12L1 (Naval Inventory Control Point Mechanicsburg) and 2 more.

What NSN replaces 4730-00-070-1254?

There is 1 known substitute for 4730-00-070-1254: 4730-01-194-6813. Verify interchangeability with system specifications before substitution.

What are the specifications of 20634-12-12-NAL1?

Key specifications for 20634-12-12-NAL1: Nondefinitive Spec/std Data: 2 CLASS AND 12-12 SIZE AND A TYPE; Criticality Code Justification: ZZZY; Nominal Inside Diameter Hose Accommodated: 0.750 INCHES SECOND END IN; Material Document and Classification: QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-070-1254 still in active supply?

NSN 4730-00-070-1254 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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