NSN 6640-01-623-8463 — this item is cataloged by the U.S. Government under National Stock Number 6640-01-623-8463. Manufacturer of record part number: RT750A.
Also searched as6640-01-623-8463 ·
6640016238463 ·
NIIN 016238463 ·
01-623-8463 ·
FSC 6640 Laboratory Equipment and Supplies · CAGE 1UZB4 · RT750A · 860-3805
Nearby stock numbers← 6640-01-623-8459 Test Tube
·
6640-01-623-8464 Test Tube →
Features
Test Tube — FSC 6640
2 manufacturer part numbers on file
Manufacturer of record: Rtx Scientific, Incorporated Dba Refrigeration Technologies
The Test Tube, cataloged under National Stock Number 6640-01-623-8463, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Rtx Scientific, Incorporated Dba Refrigeration Technologies. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
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
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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 6640-01-623-8463?
NSN 6640-01-623-8463 is a Test Tube, manufactured by Rtx Scientific, Incorporated Dba Refrigeration Technologies, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
What part numbers are listed for NSN 6640-01-623-8463?
NSN 6640-01-623-8463 has 2 manufacturer part numbers on file: 860-3805 (Christof Fischer Gmbh), RT750A (Rtx Scientific, Incorporated Dba Refrigeration Technologies).
What are the specifications of RT750A?
Key specifications for RT750A: Special Features: METHOD FOR MEASURING ACID IN REFRIGERANT GAS; Part Name Assigned by Controlling Agency: ACID DETECTOR TUBES. 0 specifications are documented in the U.S. Government catalog.
Is NSN 6640-01-623-8463 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.