PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14-740Support Arm,funnel,laboratory

Fisher Scientific Worldwide · NSN 6640-00-392-8643 · FSC 6640 · No Item Name Available
Verified by PartsTable
NSN 6640-00-392-8643 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-392-8643. Primary manufacturer part number: 14-740.
Features
  • Support Arm,funnel,laboratory — FSC 6640
  • General Characteristics Item Description: HARDWOOD ARM; O/A DIM. DATA,12-1/2 IN. TO 16-1/2 IN. LG,2-1/2 IN. W,5/8 IN. THK; 4 HOLES,W/SLOTS,1/2 IN. W,CONICAL SHAPE; CLAMP DATA,CAST IRON,5 IN. SUPPORT CENTER TO ROW CENTER,11/16 IN. MAX DIA OF ROD ACCOMMODATED IN
  • 3 verified cross-references
  • Primary manufacturer: Fisher Scientific Worldwide
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Support Arm,funnel,laboratory, cataloged under National Stock Number 6640-00-392-8643, is classified within Federal Supply Class 6640 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Fisher Scientific Worldwide. Government technical data includes 1 verified specification, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6640-00-392-8643
Primary Part Number14-740
Item NameSupport Arm,funnel,laboratory
FSC / FSG6640 / 66 — No Item Name Available
ManufacturerFisher Scientific Worldwide
StatusCANCELLED
General Characteristics Item DescriptionHARDWOOD ARM; O/A DIM. DATA,12-1/2 IN. TO 16-1/2 IN. LG,2-1/2 IN. W,5/8 IN. THK; 4 HOLES,W/SLOTS,1/2 IN. W,CONICAL SHAPE; CLAMP DATA,CAST IRON,5 IN. SUPPORT CENTER TO ROW CENTER,11/16 IN. MAX DIA OF ROD ACCOMMODATED IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
6625-00-257-2961 INTERCHANGEABLE
Cavity,tuned
2530-00-318-0734A14740 INTERCHANGEABLE
Hub Assy
Am General Llc
4820-00-589-704014740 INTERCHANGEABLE
Valve,linear,directional Control
Moog Inc
5950-01-358-0853330279-001 INTERCHANGEABLE
Transformer,audio Frequency
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
3694-01-682-251114740 INTERCHANGEABLE
Parts,washing
Chemfree Corporation
Cross-Reference Index
Part NumberManufacturer
14-740 Fisher Scientific Worldwide (USA)
14-740 Fisher Scientific Company L.l.c. (USA)
MS36021-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6625-00-257-2961INTERCHANGEABLE
CAVITY,TUNED
2530-00-318-0734INTERCHANGEABLE
HUB ASSY
A14740
4820-00-589-7040INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
14740
5950-01-358-0853INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
330279-001
3694-01-682-2511INTERCHANGEABLE
PARTS,WASHING
14740

Frequently Asked Questions

What is NSN 6640-00-392-8643?

NSN 6640-00-392-8643 is a Support Arm,funnel,laboratory, manufactured by Fisher Scientific Worldwide, classified under FSC 6640 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6640-00-392-8643?

NSN 6640-00-392-8643 has 3 cross-referenced part numbers: 14-740 (Fisher Scientific Worldwide), 14-740 (Fisher Scientific Company L.l.c.), MS36021-1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6640-00-392-8643?

There are 5 known substitutes for 6640-00-392-8643: 6625-00-257-2961, 2530-00-318-0734, 4820-00-589-7040 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 14-740?

Key specifications for 14-740: General Characteristics Item Description: HARDWOOD ARM; O/A DIM. DATA,12-1/2 IN. TO 16-1/2 IN. LG,2-1/2 IN. W,5/8 IN. THK; 4 HOLES,W/SLOTS,1/2 IN. W,CONICAL SHAPE; CLAMP DATA,CAST IRON,5 IN. SUPPORT CENTER TO ROW CENTER,11/16 IN. MAX DIA OF ROD ACCOMMODATED IN. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6640-00-392-8643 still in active supply?

NSN 6640-00-392-8643 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.
PartsTable Design LLC · partstable.com