NSN 6640-00-409-7000 · NIIN 004097000 · Part number 1951B23
Arthur H. Thomas Company · FSC 6640 — Laboratory Equipment and Supplies · FSG 66 — Instruments and Laboratory Equipment · CAGE 59728
Government record, cited
NSN 6640-00-409-7000 — this item is cataloged by the U.S. Government under National Stock Number 6640-00-409-7000. Manufacturer of record part number: 1951B23.
Also searched as6640-00-409-7000 ·
6640004097000 ·
NIIN 004097000 ·
00-409-7000 ·
FSC 6640 Laboratory Equipment and Supplies · CAGE 59728 · 1951B23 · 1951-B10 · 56311-049
Tube Outside Diameter for Which Designed: 0.188 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
Unit Package Quantity: 12
Internal Collar Groove: INCLUDED
Load Capacity: 3.0 MILLILITERS
Material: RUBBER
2 manufacturer part numbers on file
Identification
NSN: 6640-00-409-7000
NIIN: 004097000
FSC: 6640 — Laboratory Equipment and Supplies
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 1951B23
Manufacturer: Arthur H. Thomas Company
General Description
The Bulb,dropping Pipet, cataloged under National Stock Number 6640-00-409-7000, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Arthur H. Thomas Company. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6640-00-409-7000
Primary Part Number
1951B23
Item Name
Bulb,dropping Pipet
FSC / FSG
6640 / 66 — Laboratory Equipment and Supplies
Manufacturer
Arthur H. Thomas Company
Status
ACTIVE
Unit Package Type
CARTON
Tube Outside Diameter for Which Designed
0.188 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
Unit Package Quantity
12
Internal Collar Groove
INCLUDED
Load Capacity
3.0 MILLILITERS
Material
RUBBER
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 6640 — Laboratory Equipment and Supplies
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6640-00-001-3348
6640-00-001-3348 · Item name not on file
6640-00-001-6670
LID,ANAEROBIC CULTURE APPARATUS
6640-00-001-6868
CONTROLLER,TIME AND TEMPERATURE,
6640-00-001-6871
6640-00-001-6871 · Item name not on file
6640-00-001-8928
6640-00-001-8928 · Item name not on file
6640-00-001-9167
6640-00-001-9167 · Item name not on file
6640-00-001-9168
6640-00-001-9168 · Item name not on file
6640-00-003-4362
6640-00-003-4362 · Item name not on file
Frequently Asked Questions
What is NSN 6640-00-409-7000?
NSN 6640-00-409-7000 is a Bulb,dropping Pipet, manufactured by Arthur H. Thomas Company, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
What part numbers are listed for NSN 6640-00-409-7000?
NSN 6640-00-409-7000 has 2 manufacturer part numbers on file: 56311-049 (Vwr International Llc Dba Vwr International, Inc), 1951B23 (Arthur H. Thomas Company).
What are the specifications of 1951B23?
Key specifications for 1951B23: Unit Package Type: CARTON; Tube Outside Diameter for Which Designed: 0.188 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN; Unit Package Quantity: 12; Internal Collar Groove: INCLUDED. 6 specifications are documented in the U.S. Government catalog.
Is NSN 6640-00-409-7000 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.