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1951B23 — BULB,DROPPING PIPET

✓ Government record, cited
ARTHUR H. THOMAS COMPANY · COMPONENT
PRODUCT OVERVIEW

1951B23: BULB,DROPPING PIPET.

The BULB,DROPPING PIPET is a ARTHUR H. THOMAS COMPANY industrial component. Key specifications include MATERIAL: RUBBER, LOAD CAPACITY: 3.0 MILLILITERS, UNIT PACKAGE TYPE: CARTON, UNIT PACKAGE QUANTITY: 12, INTERNAL COLLAR GROOVE: INCLUDED, PART NAME ASSIGNED BY CONTROLLING AGENCY: BULB DROPPING PIPET RUBBER 3ML LOAD CAPACITY .188" TUBE OD 12S.

This part is cataloged in the U.S. Government catalog under NSN 6640-00-409-7000, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
1951B23
NSN: 6640-00-409-7000
FSC: 6640 — Laboratory Equipment and Supplies
CAGE: 59728 — ARTHUR H. THOMAS COMPANY (USA)
SPECIFICATIONS
MATERIALRUBBER
LOAD CAPACITY3.0 MILLILITERS
UNIT PACKAGE TYPECARTON
UNIT PACKAGE QUANTITY12
INTERNAL COLLAR GROOVEINCLUDED
PART NAME ASSIGNED BY CONTROLLING AGENCYBULB DROPPING PIPET RUBBER 3ML LOAD CAPACITY .188" TUBE OD 12S
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.188 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
NSN6640-00-409-7000
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: ARTHUR H. THOMAS COMPANY BULB,DROPPING PIPET TITLE COMPONENT PN 1951B23 MFR ARTHUR H. THOMAS COMPANY BULB,DROPPING PIPET
KEY FEATURES
•
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
TECHNICAL CHARACTERISTICS
UNIT PACKAGE TYPECARTON
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.188 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
UNIT PACKAGE QUANTITY12
INTERNAL COLLAR GROOVEINCLUDED
LOAD CAPACITY3.0 MILLILITERS
PART NAME ASSIGNED BY CONTROLLING AGENCYBULB DROPPING PIPET RUBBER 3ML LOAD CAPACITY .188" TUBE OD 12S
MATERIALRUBBER
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 6640-00-001-6670 6640-00-001-6868 6640-00-001-6871 6640-00-001-8928 6640-00-001-9167 6640-00-001-9168 6640-00-003-4362
SUBSTITUTES & CROSS-REFERENCES 2
1951-B10Reference document
Same NSN cross-reference
Reference document — Secondary reference
56311-049Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1951B23?
1951B23 is a BULB,DROPPING PIPET manufactured by ARTHUR H. THOMAS COMPANY.
What parts can replace 1951B23?
There are 2 known substitutes for 1951B23: 1951-B10, 56311-049. Substitute compatibility should be verified for your specific system.
What is the NSN for 1951B23?
1951B23 is cataloged in the U.S. Government catalog under NSN 6640-00-409-7000. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.