NSN 6640-01-491-7698 · NIIN 014917698 · Part number 332-004-004
Koehler Instrument Company, Inc. · FSC 6640 — Laboratory Equipment and Supplies · FSG 66 — Instruments and Laboratory Equipment · CAGE 23035
Government record, cited
NSN 6640-01-491-7698 — this item is cataloged by the U.S. Government under National Stock Number 6640-01-491-7698. Manufacturer of record part number: 332-004-004.
Also searched as6640-01-491-7698 ·
6640014917698 ·
NIIN 014917698 ·
01-491-7698 ·
FSC 6640 Laboratory Equipment and Supplies · CAGE 23035 · 332-004-004
Nearby stock numbers← 6640-01-491-7696 Test Tube
·
6640-01-491-7699 Corrosion Test Strip, Copper →
Features
Test Tube — FSC 6640
1 manufacturer part number on file
Manufacturer of record: Koehler Instrument Company, Inc.
Identification
NSN: 6640-01-491-7698
NIIN: 014917698
FSC: 6640 — Laboratory Equipment and Supplies
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 332-004-004
Manufacturer: Koehler Instrument Company, Inc.
General Description
The Test Tube, cataloged under National Stock Number 6640-01-491-7698, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Koehler Instrument Company, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6640-01-491-7698
Primary Part Number
332-004-004
Item Name
Test Tube
FSC / FSG
6640 / 66 — Laboratory Equipment and Supplies
Manufacturer
Koehler Instrument Company, Inc.
Status
ACTIVE
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 6640-01-491-7698?
NSN 6640-01-491-7698 is a Test Tube, manufactured by Koehler Instrument Company, Inc., classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
What part numbers are listed for NSN 6640-01-491-7698?
NSN 6640-01-491-7698 has 1 manufacturer part number on file: 332-004-004 (Koehler Instrument Company, Inc.).
What are the specifications of 332-004-004?
Key specifications for 332-004-004: Special Features: 25X150 MILLIMETERS; USED ON COPPER STRIP CORROSION TEST BOMB FOR TESTING AVIATION FUELS AND NATURAL GAS. 0 specifications are documented in the U.S. Government catalog.
Is NSN 6640-01-491-7698 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.