PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E640Adapter,straight,pipe to Hose

Band-It-Idex Inc Unit of Idex Corp · NSN 4730-01-261-3980 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-261-3980 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-261-3980. Primary manufacturer part number: E640.
Features
  • Adapter,straight,pipe to Hose — FSC 4730
  • Nominal Inside Diameter Hose Accommodated: 1.000 INCHES SECOND END IN
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
  • Connection Style: PLAIN (PIPE) FIRST END
  • Nominal Thread Size: 1.000 INCHES FIRST END IN
  • Nominal Overall Length: 1.784 INCHES IN
  • Thread Series Designator: NPT FIRST END
  • Connection Type: UNTHREADED EXTERNAL HOSE SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 316 Overall construction
General Description

The Adapter,straight,pipe to Hose, cataloged under National Stock Number 4730-01-261-3980, 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 Band-It-Idex Inc Unit of Idex Corp. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN4730-01-261-3980
Primary Part NumberE640
Item NameAdapter,straight,pipe to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerBand-It-Idex Inc Unit of Idex Corp
StatusACTIVE
Nominal Inside Diameter Hose Accommodated1.000 INCHES SECOND END IN
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Connection StylePLAIN (PIPE) FIRST END
Nominal Thread Size1.000 INCHES FIRST END IN
Nominal Overall Length1.784 INCHES IN
Thread Series DesignatorNPT FIRST END
Connection TypeUNTHREADED EXTERNAL HOSE SECOND END
Connection StyleBARBED OR BEADED (HOSE) SECOND END
MaterialSTEEL COMP 316 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4330-00-026-7856 INTERCHANGEABLE
Filter,fluid,particulate Removal
6135-00-347-0595 INTERCHANGEABLE
Battery,nonrechargeable
4730-01-037-4932LL8-K36 INTERCHANGEABLE
Coupling Half,quick Disconnect
Tuthill Corp Hansen Coupling Div
4730-01-261-2524J227 INTERCHANGEABLE
Clamp,hose
Band-It-Idex Inc Unit of Idex Corp
Cross-Reference Index
Part NumberManufacturer
GT519404 Lockheed Martin Corp (USA)
E640 PRIMARY Band-It-Idex Inc Unit of Idex Corp (USA)
Related Parts
4330-00-026-7856INTERCHANGEABLE
FILTER,FLUID,PARTICULATE REMOVAL
6135-00-347-0595INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
4730-01-037-4932INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
LL8-K36
4730-01-261-2524INTERCHANGEABLE
CLAMP,HOSE
J227

Frequently Asked Questions

What is NSN 4730-01-261-3980?

NSN 4730-01-261-3980 is a Adapter,straight,pipe to Hose, manufactured by Band-It-Idex Inc Unit of Idex Corp, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-261-3980?

NSN 4730-01-261-3980 has 2 cross-referenced part numbers: GT519404 (Lockheed Martin Corp), E640 (Band-It-Idex Inc Unit of Idex Corp).

What NSN replaces 4730-01-261-3980?

There are 4 known substitutes for 4730-01-261-3980: 4330-00-026-7856, 6135-00-347-0595, 4730-01-037-4932 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E640?

Key specifications for E640: Nominal Inside Diameter Hose Accommodated: 1.000 INCHES SECOND END IN; Connection Type: THREADED EXTERNAL PIPE FIRST END; Connection Style: PLAIN (PIPE) FIRST END; Nominal Thread Size: 1.000 INCHES FIRST END IN. 9 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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