PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W 01343Reducer,tube

Mueller Brass Co. · NSN 4730-00-808-7791 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-808-7791 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-808-7791. Primary manufacturer part number: W 01343.
Features
  • Reducer,tube — FSC 4730
  • Connection Type: UNTHREADED EXTERNAL TUBE SECOND END
  • Material: COPPER OVERALL
  • Connection Style: PLAIN (TUBE) SECOND END
  • Tubing Wall Nominal Thickness for Which Designed: 0.065 INCHES ALL ENDS IN
  • Nominal Overall Length: 2.250 INCHES IN
  • Nominal Outside Diameter Tube Accommodated: 1.000 INCHES SECOND END IN
  • Connection Style: SOCKET (TUBE) FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Overall construction
General Description

The Reducer,tube, cataloged under National Stock Number 4730-00-808-7791, 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 Mueller Brass Co.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-808-7791
Primary Part NumberW 01343
Item NameReducer,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMueller Brass Co.
StatusACTIVE
Connection TypeUNTHREADED EXTERNAL TUBE SECOND END
MaterialCOPPER OVERALL
Connection StylePLAIN (TUBE) SECOND END
Tubing Wall Nominal Thickness for Which Designed0.065 INCHES ALL ENDS IN
Nominal Overall Length2.250 INCHES IN
Nominal Outside Diameter Tube Accommodated1.000 INCHES SECOND END IN
Connection StyleSOCKET (TUBE) FIRST END
Nominal Outside Diameter Tube Accommodated1.250 INCHES FIRST END IN
Connection TypeUNTHREADED INTERNAL TUBE FIRST END
Reducer TypeCONCENTRIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5865-00-054-459316018 INTERCHANGEABLE
Housing,recorder
Drs C3 & Aviation Company Dba Drs Data & Imaging Systems
5945-00-349-7028643-1 INTERCHANGEABLE
Relay,solid State
Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/
5331-00-579-31630104-02-16 INTERCHANGEABLE
O-Ring
Pti Technologies Inc.
5330-01-280-758316018 INTERCHANGEABLE
Gasket
Frick Co
5985-01-321-9038218-0151-050 INTERCHANGEABLE
Mast Section
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
3110-01-324-1078D-0068-R-140 INTERCHANGEABLE
Bearing,ball,annular
Palfinger Marine Usa, Llc
5915-01-407-6722 INTERCHANGEABLE
Filter,radio Frequency Interfere
6250-01-474-232816018 INTERCHANGEABLE
Ballast,lamp
Technical Consumer Products, Inc.
4730-01-526-2813 INTERCHANGEABLE
Adapter,straight,tube to Boss
Cross-Reference Index
Part NumberManufacturer
118-1-1-4X1 Elkhart Products Corp (USA)
W 01343 PRIMARY Mueller Brass Co. (USA)
16-018 Imperial (USA)
Related Parts
5865-00-054-4593INTERCHANGEABLE
HOUSING,RECORDER
16018
5945-00-349-7028INTERCHANGEABLE
RELAY,SOLID STATE
643-1
5331-00-579-3163INTERCHANGEABLE
O-RING
0104-02-16
5330-01-280-7583INTERCHANGEABLE
GASKET
16018
5985-01-321-9038INTERCHANGEABLE
MAST SECTION
218-0151-050
3110-01-324-1078INTERCHANGEABLE
BEARING,BALL,ANNULAR
D-0068-R-140
5915-01-407-6722INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
6250-01-474-2328INTERCHANGEABLE
BALLAST,LAMP
16018
4730-01-526-2813INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS

Frequently Asked Questions

What is NSN 4730-00-808-7791?

NSN 4730-00-808-7791 is a Reducer,tube, manufactured by Mueller Brass Co., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-808-7791?

NSN 4730-00-808-7791 has 3 cross-referenced part numbers: 118-1-1-4X1 (Elkhart Products Corp), W 01343 (Mueller Brass Co.), 16-018 (Imperial).

What NSN replaces 4730-00-808-7791?

There are 9 known substitutes for 4730-00-808-7791: 5865-00-054-4593, 5945-00-349-7028, 5331-00-579-3163 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W 01343?

Key specifications for W 01343: Connection Type: UNTHREADED EXTERNAL TUBE SECOND END; Material: COPPER OVERALL; Connection Style: PLAIN (TUBE) SECOND END; Tubing Wall Nominal Thickness for Which Designed: 0.065 INCHES ALL ENDS IN. 10 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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