PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CD-3Air Gap,dishwasher

Eastman Central D Mfg Div United States Brass Corp · NSN 4730-01-313-4643 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-313-4643 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-313-4643. Primary manufacturer part number: CD-3.
Features
  • Air Gap,dishwasher — FSC 4730
  • General Characteristics Item Description: COPPER;ELBOW THD EXTERNALLY 1ST END; 2ND END 0.750 IN. UNTHREADED EXTERNAL HOSE; 0.500 IN. UNTHREADED EXTERNAL HOSE INLET; ACETAL PLASTIC HEX NUT IN
  • 1 verified cross-reference
  • Primary manufacturer: Eastman Central D Mfg Div United States Brass Corp
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Air Gap,dishwasher, cataloged under National Stock Number 4730-01-313-4643, 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 Eastman Central D Mfg Div United States Brass Corp. Government technical data includes 1 verified specification, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-313-4643
Primary Part NumberCD-3
Item NameAir Gap,dishwasher
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerEastman Central D Mfg Div United States Brass Corp
StatusACTIVE
General Characteristics Item DescriptionCOPPER;ELBOW THD EXTERNALLY 1ST END; 2ND END 0.750 IN. UNTHREADED EXTERNAL HOSE; 0.500 IN. UNTHREADED EXTERNAL HOSE INLET; ACETAL PLASTIC HEX NUT IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3455-00-090-4370BC-010307-WB3C INTERCHANGEABLE
Hole Cutter Set
Black & Company
5340-00-515-0525NAS832-3 INTERCHANGEABLE
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-01-242-2214CD-3 INTERCHANGEABLE
Cap,protective,dust and Moisture
Caplugs Llc Dba Mokon Div Caplugs
5130-01-640-7151CD3 INTERCHANGEABLE
Cutter,fabric,portable,electric
Eastman Machine Company Dba Eastman Machine Co Div Eastman
Cross-Reference Index
Part NumberManufacturer
CD-3 Eastman Central D Mfg Div United States Brass Corp (USA)
Related Parts
3455-00-090-4370INTERCHANGEABLE
HOLE CUTTER SET
BC-010307-WB3C
5340-00-515-0525INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
NAS832-3
5340-01-242-2214INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
CD-3
5130-01-640-7151INTERCHANGEABLE
CUTTER,FABRIC,PORTABLE,ELECTRIC
CD3

Frequently Asked Questions

What is NSN 4730-01-313-4643?

NSN 4730-01-313-4643 is a Air Gap,dishwasher, manufactured by Eastman Central D Mfg Div United States Brass Corp, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-313-4643?

NSN 4730-01-313-4643 has 1 cross-referenced part number: CD-3 (Eastman Central D Mfg Div United States Brass Corp).

What NSN replaces 4730-01-313-4643?

There are 4 known substitutes for 4730-01-313-4643: 3455-00-090-4370, 5340-00-515-0525, 5340-01-242-2214 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CD-3?

Key specifications for CD-3: General Characteristics Item Description: COPPER;ELBOW THD EXTERNALLY 1ST END; 2ND END 0.750 IN. UNTHREADED EXTERNAL HOSE; 0.500 IN. UNTHREADED EXTERNAL HOSE INLET; ACETAL PLASTIC HEX NUT IN. 1 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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